# Gallium directories and
GALLIUM_DIRS = auxiliary drivers state_trackers
-GALLIUM_AUXILIARY_DIRS = rbug draw translate cso_cache pipebuffer tgsi sct rtasm util indices
+GALLIUM_AUXILIARY_DIRS = rbug draw translate cso_cache pipebuffer tgsi sct rtasm util indices vl
GALLIUM_AUXILIARIES = $(foreach DIR,$(GALLIUM_AUXILIARY_DIRS),$(TOP)/src/gallium/auxiliary/$(DIR)/lib$(DIR).a)
GALLIUM_DRIVERS_DIRS = softpipe i915simple failover trace identity
GALLIUM_DRIVERS = $(foreach DIR,$(GALLIUM_DRIVERS_DIRS),$(TOP)/src/gallium/drivers/$(DIR)/lib$(DIR).a)
GALLIUM_DIRS="auxiliary drivers state_trackers"
GALLIUM_WINSYS_DIRS=""
GALLIUM_WINSYS_DRM_DIRS=""
-GALLIUM_AUXILIARY_DIRS="rbug draw translate cso_cache pipebuffer tgsi sct rtasm util indices"
+GALLIUM_AUXILIARY_DIRS="rbug draw translate cso_cache pipebuffer tgsi sct rtasm util indices vl"
GALLIUM_DRIVERS_DIRS="softpipe failover trace identity"
GALLIUM_STATE_TRACKERS_DIRS=""
'auxiliary/pipebuffer/SConscript',
'auxiliary/indices/SConscript',
'auxiliary/rbug/SConscript',
+ 'auxiliary/vl/SConscript',
])
for driver in env['drivers']:
--- /dev/null
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = vl
+
+C_SOURCES = \
+ vl_bitstream_parser.c \
+ vl_mpeg12_mc_renderer.c \
+ vl_compositor.c \
+ vl_shader_build.c
+
+include ../../Makefile.template
--- /dev/null
+Import('*')
+
+vl = env.ConvenienceLibrary(
+ target = 'vl',
+ source = [
+ 'vl_bitstream_parser.c',
+ 'vl_mpeg12_mc_renderer.c',
+ 'vl_compositor.c',
+ 'vl_shader_build.c',
+ ])
+
+auxiliaries.insert(0, vl)
--- /dev/null
+#include "vl_bitstream_parser.h"
+#include <assert.h>
+#include <limits.h>
+#include <util/u_memory.h>
+
+static unsigned
+grab_bits(unsigned cursor, unsigned how_many_bits, unsigned bitstream_elt)
+{
+ unsigned excess_bits = sizeof(unsigned) * CHAR_BIT - how_many_bits - cursor;
+
+ assert(cursor < sizeof(unsigned) * CHAR_BIT);
+ assert(how_many_bits > 0 && how_many_bits <= sizeof(unsigned) * CHAR_BIT);
+ assert(cursor + how_many_bits <= sizeof(unsigned) * CHAR_BIT);
+
+ return (bitstream_elt << excess_bits) >> (excess_bits + cursor);
+}
+
+static unsigned
+show_bits(unsigned cursor, unsigned how_many_bits, const unsigned *bitstream)
+{
+ unsigned cur_int = cursor / (sizeof(unsigned) * CHAR_BIT);
+ unsigned cur_bit = cursor % (sizeof(unsigned) * CHAR_BIT);
+
+ assert(bitstream);
+
+ if (cur_bit + how_many_bits > sizeof(unsigned) * CHAR_BIT)
+ {
+ return grab_bits(cur_bit, sizeof(unsigned) * CHAR_BIT - cur_bit,
+ bitstream[cur_int]) |
+ grab_bits(0, cur_bit + how_many_bits - sizeof(unsigned) * CHAR_BIT,
+ bitstream[cur_int + 1]) << (sizeof(unsigned) * CHAR_BIT - cur_bit);
+ }
+ else
+ return grab_bits(cur_bit, how_many_bits, bitstream[cur_int]);
+}
+
+bool vl_bitstream_parser_init(struct vl_bitstream_parser *parser,
+ unsigned num_bitstreams,
+ const void **bitstreams,
+ const unsigned *sizes)
+{
+ assert(parser);
+ assert(num_bitstreams);
+ assert(bitstreams);
+ assert(sizes);
+
+ parser->num_bitstreams = num_bitstreams;
+ parser->bitstreams = (const unsigned**)bitstreams;
+ parser->sizes = sizes;
+ parser->cur_bitstream = 0;
+ parser->cursor = 0;
+
+ return true;
+}
+
+void vl_bitstream_parser_cleanup(struct vl_bitstream_parser *parser)
+{
+ assert(parser);
+}
+
+unsigned
+vl_bitstream_parser_get_bits(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits)
+{
+ unsigned bits;
+
+ assert(parser);
+
+ bits = vl_bitstream_parser_show_bits(parser, how_many_bits);
+
+ vl_bitstream_parser_forward(parser, how_many_bits);
+
+ return bits;
+}
+
+unsigned
+vl_bitstream_parser_show_bits(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits)
+{
+ unsigned bits = 0;
+ unsigned shift = 0;
+ unsigned cursor;
+ unsigned cur_bitstream;
+
+ assert(parser);
+
+ cursor = parser->cursor;
+ cur_bitstream = parser->cur_bitstream;
+
+ while (1)
+ {
+ unsigned bits_left = parser->sizes[cur_bitstream] * CHAR_BIT - cursor;
+ unsigned bits_to_show = how_many_bits > bits_left ? bits_left : how_many_bits;
+
+ bits |= show_bits(cursor, bits_to_show,
+ parser->bitstreams[cur_bitstream]) << shift;
+
+ if (how_many_bits > bits_to_show)
+ {
+ how_many_bits -= bits_to_show;
+ cursor = 0;
+ ++cur_bitstream;
+ shift += bits_to_show;
+ }
+ else
+ break;
+ }
+
+ return bits;
+}
+
+void vl_bitstream_parser_forward(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits)
+{
+ assert(parser);
+ assert(how_many_bits);
+
+ parser->cursor += how_many_bits;
+
+ while (parser->cursor > parser->sizes[parser->cur_bitstream] * CHAR_BIT)
+ {
+ parser->cursor -= parser->sizes[parser->cur_bitstream++] * CHAR_BIT;
+ assert(parser->cur_bitstream < parser->num_bitstreams);
+ }
+}
+
+void vl_bitstream_parser_rewind(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits)
+{
+ signed c;
+
+ assert(parser);
+ assert(how_many_bits);
+
+ c = parser->cursor - how_many_bits;
+
+ while (c < 0)
+ {
+ c += parser->sizes[parser->cur_bitstream--] * CHAR_BIT;
+ assert(parser->cur_bitstream < parser->num_bitstreams);
+ }
+
+ parser->cursor = (unsigned)c;
+}
--- /dev/null
+#ifndef vl_bitstream_parser_h
+#define vl_bitstream_parser_h
+
+#include <stdbool.h>
+
+struct vl_bitstream_parser
+{
+ unsigned num_bitstreams;
+ const unsigned **bitstreams;
+ const unsigned *sizes;
+ unsigned cur_bitstream;
+ unsigned cursor;
+};
+
+bool vl_bitstream_parser_init(struct vl_bitstream_parser *parser,
+ unsigned num_bitstreams,
+ const void **bitstreams,
+ const unsigned *sizes);
+
+void vl_bitstream_parser_cleanup(struct vl_bitstream_parser *parser);
+
+unsigned
+vl_bitstream_parser_get_bits(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits);
+
+unsigned
+vl_bitstream_parser_show_bits(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits);
+
+void vl_bitstream_parser_forward(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits);
+
+void vl_bitstream_parser_rewind(struct vl_bitstream_parser *parser,
+ unsigned how_many_bits);
+
+#endif /* vl_bitstream_parser_h */
--- /dev/null
+#include "vl_compositor.h"
+#include <assert.h>
+#include <pipe/p_context.h>
+#include <pipe/p_inlines.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+#include <util/u_memory.h>
+#include "vl_shader_build.h"
+
+struct vertex2f
+{
+ float x, y;
+};
+
+struct vertex4f
+{
+ float x, y, z, w;
+};
+
+struct vertex_shader_consts
+{
+ struct vertex4f dst_scale;
+ struct vertex4f dst_trans;
+ struct vertex4f src_scale;
+ struct vertex4f src_trans;
+};
+
+struct fragment_shader_consts
+{
+ struct vertex4f bias;
+ float matrix[16];
+};
+
+/*
+ * Represents 2 triangles in a strip in normalized coords.
+ * Used to render the surface onto the frame buffer.
+ */
+static const struct vertex2f surface_verts[4] =
+{
+ {0.0f, 0.0f},
+ {0.0f, 1.0f},
+ {1.0f, 0.0f},
+ {1.0f, 1.0f}
+};
+
+/*
+ * Represents texcoords for the above. We can use the position values directly.
+ * TODO: Duplicate these in the shader, no need to create a buffer.
+ */
+static const struct vertex2f *surface_texcoords = surface_verts;
+
+/*
+ * Identity color conversion constants, for debugging
+ */
+static const struct fragment_shader_consts identity =
+{
+ {
+ 0.0f, 0.0f, 0.0f, 0.0f
+ },
+ {
+ 1.0f, 0.0f, 0.0f, 0.0f,
+ 0.0f, 1.0f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 1.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f
+ }
+};
+
+/*
+ * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where:
+ * Y is in [16,235], Cb and Cr are in [16,240]
+ * R, G, and B are in [16,235]
+ */
+static const struct fragment_shader_consts bt_601 =
+{
+ {
+ 0.0f, 0.501960784f, 0.501960784f, 0.0f
+ },
+ {
+ 1.0f, 0.0f, 1.371f, 0.0f,
+ 1.0f, -0.336f, -0.698f, 0.0f,
+ 1.0f, 1.732f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f
+ }
+};
+
+/*
+ * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where:
+ * Y is in [16,235], Cb and Cr are in [16,240]
+ * R, G, and B are in [0,255]
+ */
+static const struct fragment_shader_consts bt_601_full =
+{
+ {
+ 0.062745098f, 0.501960784f, 0.501960784f, 0.0f
+ },
+ {
+ 1.164f, 0.0f, 1.596f, 0.0f,
+ 1.164f, -0.391f, -0.813f, 0.0f,
+ 1.164f, 2.018f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f
+ }
+};
+
+/*
+ * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where:
+ * Y is in [16,235], Cb and Cr are in [16,240]
+ * R, G, and B are in [16,235]
+ */
+static const struct fragment_shader_consts bt_709 =
+{
+ {
+ 0.0f, 0.501960784f, 0.501960784f, 0.0f
+ },
+ {
+ 1.0f, 0.0f, 1.540f, 0.0f,
+ 1.0f, -0.183f, -0.459f, 0.0f,
+ 1.0f, 1.816f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f
+ }
+};
+
+/*
+ * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where:
+ * Y is in [16,235], Cb and Cr are in [16,240]
+ * R, G, and B are in [0,255]
+ */
+const struct fragment_shader_consts bt_709_full =
+{
+ {
+ 0.062745098f, 0.501960784f, 0.501960784f, 0.0f
+ },
+ {
+ 1.164f, 0.0f, 1.793f, 0.0f,
+ 1.164f, -0.213f, -0.534f, 0.0f,
+ 1.164f, 2.115f, 0.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f
+ }
+};
+
+static void
+create_vert_shader(struct vl_compositor *c)
+{
+ const unsigned max_tokens = 50;
+
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(c);
+
+ tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Vertex pos
+ * decl i1 ; Vertex texcoords
+ */
+ for (unsigned i = 0; i < 2; i++)
+ {
+ decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * decl c0 ; Scaling vector to scale vertex pos rect to destination size
+ * decl c1 ; Translation vector to move vertex pos rect into position
+ * decl c2 ; Scaling vector to scale texcoord rect to source size
+ * decl c3 ; Translation vector to move texcoord rect into position
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 3);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Vertex texcoords
+ */
+ for (unsigned i = 0; i < 2; i++)
+ {
+ decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* decl t0, t1 */
+ decl = vl_decl_temps(0, 1);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * mad o0, i0, c0, c1 ; Scale and translate unit output rect to destination size and pos
+ * mad o1, i1, c2, c3 ; Scale and translate unit texcoord rect to source size and pos
+ */
+ for (unsigned i = 0; i < 2; ++i)
+ {
+ inst = vl_inst4(TGSI_OPCODE_MAD, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i, TGSI_FILE_CONSTANT, i * 2, TGSI_FILE_CONSTANT, i * 2 + 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ vs.tokens = tokens;
+ c->vertex_shader = c->pipe->create_vs_state(c->pipe, &vs);
+ FREE(tokens);
+}
+
+static void
+create_frag_shader(struct vl_compositor *c)
+{
+ const unsigned max_tokens = 50;
+
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(c);
+
+ tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /* decl i0 ; Texcoords for s0 */
+ decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, 1, 0, 0, TGSI_INTERPOLATE_LINEAR);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl c0 ; Bias vector for CSC
+ * decl c1-c4 ; CSC matrix c1-c4
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 4);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl o0 ; Fragment color */
+ decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl t0 */
+ decl = vl_decl_temps(0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl s0 ; Sampler for tex containing picture to display */
+ decl = vl_decl_samplers(0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* tex2d t0, i0, s0 ; Read src pixel */
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_SAMPLER, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* sub t0, t0, c0 ; Subtract bias vector from pixel */
+ inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * dp4 o0.x, t0, c1 ; Multiply pixel by the color conversion matrix
+ * dp4 o0.y, t0, c2
+ * dp4 o0.z, t0, c3
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ inst = vl_inst3(TGSI_OPCODE_DP4, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 1);
+ inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ fs.tokens = tokens;
+ c->fragment_shader = c->pipe->create_fs_state(c->pipe, &fs);
+ FREE(tokens);
+}
+
+static bool
+init_pipe_state(struct vl_compositor *c)
+{
+ struct pipe_sampler_state sampler;
+
+ assert(c);
+
+ c->fb_state.nr_cbufs = 1;
+ c->fb_state.zsbuf = NULL;
+
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
+ sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
+ sampler.compare_func = PIPE_FUNC_ALWAYS;
+ sampler.normalized_coords = 1;
+ /*sampler.prefilter = ;*/
+ /*sampler.lod_bias = ;*/
+ /*sampler.min_lod = ;*/
+ /*sampler.max_lod = ;*/
+ /*sampler.border_color[i] = ;*/
+ /*sampler.max_anisotropy = ;*/
+ c->sampler = c->pipe->create_sampler_state(c->pipe, &sampler);
+
+ return true;
+}
+
+static void cleanup_pipe_state(struct vl_compositor *c)
+{
+ assert(c);
+
+ c->pipe->delete_sampler_state(c->pipe, c->sampler);
+}
+
+static bool
+init_shaders(struct vl_compositor *c)
+{
+ assert(c);
+
+ create_vert_shader(c);
+ create_frag_shader(c);
+
+ return true;
+}
+
+static void cleanup_shaders(struct vl_compositor *c)
+{
+ assert(c);
+
+ c->pipe->delete_vs_state(c->pipe, c->vertex_shader);
+ c->pipe->delete_fs_state(c->pipe, c->fragment_shader);
+}
+
+static bool
+init_buffers(struct vl_compositor *c)
+{
+ assert(c);
+
+ /*
+ * Create our vertex buffer and vertex buffer element
+ * VB contains 4 vertices that render a quad covering the entire window
+ * to display a rendered surface
+ * Quad is rendered as a tri strip
+ */
+ c->vertex_bufs[0].stride = sizeof(struct vertex2f);
+ c->vertex_bufs[0].max_index = 3;
+ c->vertex_bufs[0].buffer_offset = 0;
+ c->vertex_bufs[0].buffer = pipe_buffer_create
+ (
+ c->pipe->screen,
+ 1,
+ PIPE_BUFFER_USAGE_VERTEX,
+ sizeof(struct vertex2f) * 4
+ );
+
+ memcpy
+ (
+ pipe_buffer_map(c->pipe->screen, c->vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ surface_verts,
+ sizeof(struct vertex2f) * 4
+ );
+
+ pipe_buffer_unmap(c->pipe->screen, c->vertex_bufs[0].buffer);
+
+ c->vertex_elems[0].src_offset = 0;
+ c->vertex_elems[0].vertex_buffer_index = 0;
+ c->vertex_elems[0].nr_components = 2;
+ c->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /*
+ * Create our texcoord buffer and texcoord buffer element
+ * Texcoord buffer contains the TCs for mapping the rendered surface to the 4 vertices
+ */
+ c->vertex_bufs[1].stride = sizeof(struct vertex2f);
+ c->vertex_bufs[1].max_index = 3;
+ c->vertex_bufs[1].buffer_offset = 0;
+ c->vertex_bufs[1].buffer = pipe_buffer_create
+ (
+ c->pipe->screen,
+ 1,
+ PIPE_BUFFER_USAGE_VERTEX,
+ sizeof(struct vertex2f) * 4
+ );
+
+ memcpy
+ (
+ pipe_buffer_map(c->pipe->screen, c->vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ surface_texcoords,
+ sizeof(struct vertex2f) * 4
+ );
+
+ pipe_buffer_unmap(c->pipe->screen, c->vertex_bufs[1].buffer);
+
+ c->vertex_elems[1].src_offset = 0;
+ c->vertex_elems[1].vertex_buffer_index = 1;
+ c->vertex_elems[1].nr_components = 2;
+ c->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /*
+ * Create our vertex shader's constant buffer
+ * Const buffer contains scaling and translation vectors
+ */
+ c->vs_const_buf.buffer = pipe_buffer_create
+ (
+ c->pipe->screen,
+ 1,
+ PIPE_BUFFER_USAGE_CONSTANT | PIPE_BUFFER_USAGE_DISCARD,
+ sizeof(struct vertex_shader_consts)
+ );
+
+ /*
+ * Create our fragment shader's constant buffer
+ * Const buffer contains the color conversion matrix and bias vectors
+ */
+ c->fs_const_buf.buffer = pipe_buffer_create
+ (
+ c->pipe->screen,
+ 1,
+ PIPE_BUFFER_USAGE_CONSTANT,
+ sizeof(struct fragment_shader_consts)
+ );
+
+ /*
+ * TODO: Refactor this into a seperate function,
+ * allow changing the CSC matrix at runtime to switch between regular & full versions
+ */
+ memcpy
+ (
+ pipe_buffer_map(c->pipe->screen, c->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ &bt_601_full,
+ sizeof(struct fragment_shader_consts)
+ );
+
+ pipe_buffer_unmap(c->pipe->screen, c->fs_const_buf.buffer);
+
+ return true;
+}
+
+static void
+cleanup_buffers(struct vl_compositor *c)
+{
+ assert(c);
+
+ for (unsigned i = 0; i < 2; ++i)
+ pipe_buffer_reference(&c->vertex_bufs[i].buffer, NULL);
+
+ pipe_buffer_reference(&c->vs_const_buf.buffer, NULL);
+ pipe_buffer_reference(&c->fs_const_buf.buffer, NULL);
+}
+
+bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe)
+{
+ assert(compositor);
+
+ memset(compositor, 0, sizeof(struct vl_compositor));
+
+ compositor->pipe = pipe;
+
+ if (!init_pipe_state(compositor))
+ return false;
+ if (!init_shaders(compositor))
+ {
+ cleanup_pipe_state(compositor);
+ return false;
+ }
+ if (!init_buffers(compositor))
+ {
+ cleanup_shaders(compositor);
+ cleanup_pipe_state(compositor);
+ return false;
+ }
+
+ return true;
+}
+
+void vl_compositor_cleanup(struct vl_compositor *compositor)
+{
+ assert(compositor);
+
+ cleanup_buffers(compositor);
+ cleanup_shaders(compositor);
+ cleanup_pipe_state(compositor);
+}
+
+void vl_compositor_render(struct vl_compositor *compositor,
+ /*struct pipe_texture *backround,
+ struct pipe_video_rect *backround_area,*/
+ struct pipe_texture *src_surface,
+ enum pipe_mpeg12_picture_type picture_type,
+ /*unsigned num_past_surfaces,
+ struct pipe_texture *past_surfaces,
+ unsigned num_future_surfaces,
+ struct pipe_texture *future_surfaces,*/
+ struct pipe_video_rect *src_area,
+ struct pipe_texture *dst_surface,
+ struct pipe_video_rect *dst_area,
+ /*unsigned num_layers,
+ struct pipe_texture *layers,
+ struct pipe_video_rect *layer_src_areas,
+ struct pipe_video_rect *layer_dst_areas*/
+ struct pipe_fence_handle **fence)
+{
+ struct vertex_shader_consts *vs_consts;
+
+ assert(compositor);
+ assert(src_surface);
+ assert(src_area);
+ assert(dst_surface);
+ assert(dst_area);
+ assert(picture_type == PIPE_MPEG12_PICTURE_TYPE_FRAME);
+
+ compositor->fb_state.width = dst_surface->width[0];
+ compositor->fb_state.height = dst_surface->height[0];
+ compositor->fb_state.cbufs[0] = compositor->pipe->screen->get_tex_surface
+ (
+ compositor->pipe->screen,
+ dst_surface,
+ 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
+ );
+
+ compositor->viewport.scale[0] = compositor->fb_state.width;
+ compositor->viewport.scale[1] = compositor->fb_state.height;
+ compositor->viewport.scale[2] = 1;
+ compositor->viewport.scale[3] = 1;
+ compositor->viewport.translate[0] = 0;
+ compositor->viewport.translate[1] = 0;
+ compositor->viewport.translate[2] = 0;
+ compositor->viewport.translate[3] = 0;
+
+ compositor->pipe->set_framebuffer_state(compositor->pipe, &compositor->fb_state);
+ compositor->pipe->set_viewport_state(compositor->pipe, &compositor->viewport);
+ compositor->pipe->bind_sampler_states(compositor->pipe, 1, &compositor->sampler);
+ compositor->pipe->set_sampler_textures(compositor->pipe, 1, &src_surface);
+ compositor->pipe->bind_vs_state(compositor->pipe, compositor->vertex_shader);
+ compositor->pipe->bind_fs_state(compositor->pipe, compositor->fragment_shader);
+ compositor->pipe->set_vertex_buffers(compositor->pipe, 2, compositor->vertex_bufs);
+ compositor->pipe->set_vertex_elements(compositor->pipe, 2, compositor->vertex_elems);
+ compositor->pipe->set_constant_buffer(compositor->pipe, PIPE_SHADER_VERTEX, 0, &compositor->vs_const_buf);
+ compositor->pipe->set_constant_buffer(compositor->pipe, PIPE_SHADER_FRAGMENT, 0, &compositor->fs_const_buf);
+
+ vs_consts = pipe_buffer_map
+ (
+ compositor->pipe->screen,
+ compositor->vs_const_buf.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
+ );
+
+ vs_consts->dst_scale.x = dst_area->w / (float)compositor->fb_state.cbufs[0]->width;
+ vs_consts->dst_scale.y = dst_area->h / (float)compositor->fb_state.cbufs[0]->height;
+ vs_consts->dst_scale.z = 1;
+ vs_consts->dst_scale.w = 1;
+ vs_consts->dst_trans.x = dst_area->x / (float)compositor->fb_state.cbufs[0]->width;
+ vs_consts->dst_trans.y = dst_area->y / (float)compositor->fb_state.cbufs[0]->height;
+ vs_consts->dst_trans.z = 0;
+ vs_consts->dst_trans.w = 0;
+
+ vs_consts->src_scale.x = src_area->w / (float)src_surface->width[0];
+ vs_consts->src_scale.y = src_area->h / (float)src_surface->height[0];
+ vs_consts->src_scale.z = 1;
+ vs_consts->src_scale.w = 1;
+ vs_consts->src_trans.x = src_area->x / (float)src_surface->width[0];
+ vs_consts->src_trans.y = src_area->y / (float)src_surface->height[0];
+ vs_consts->src_trans.z = 0;
+ vs_consts->src_trans.w = 0;
+
+ pipe_buffer_unmap(compositor->pipe->screen, compositor->vs_const_buf.buffer);
+
+ compositor->pipe->draw_arrays(compositor->pipe, PIPE_PRIM_TRIANGLE_STRIP, 0, 4);
+ compositor->pipe->flush(compositor->pipe, PIPE_FLUSH_RENDER_CACHE, fence);
+
+ pipe_surface_reference(&compositor->fb_state.cbufs[0], NULL);
+}
--- /dev/null
+#ifndef vl_compositor_h
+#define vl_compositor_h
+
+#include <stdbool.h>
+#include <pipe/p_state.h>
+#include <pipe/p_video_state.h>
+
+struct pipe_context;
+struct pipe_texture;
+
+struct vl_compositor
+{
+ struct pipe_context *pipe;
+
+ struct pipe_framebuffer_state fb_state;
+ void *sampler;
+ void *vertex_shader;
+ void *fragment_shader;
+ struct pipe_viewport_state viewport;
+ struct pipe_vertex_buffer vertex_bufs[2];
+ struct pipe_vertex_element vertex_elems[2];
+ struct pipe_constant_buffer vs_const_buf, fs_const_buf;
+};
+
+bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
+
+void vl_compositor_cleanup(struct vl_compositor *compositor);
+
+void vl_compositor_render(struct vl_compositor *compositor,
+ /*struct pipe_texture *backround,
+ struct pipe_video_rect *backround_area,*/
+ struct pipe_texture *src_surface,
+ enum pipe_mpeg12_picture_type picture_type,
+ /*unsigned num_past_surfaces,
+ struct pipe_texture *past_surfaces,
+ unsigned num_future_surfaces,
+ struct pipe_texture *future_surfaces,*/
+ struct pipe_video_rect *src_area,
+ struct pipe_texture *dst_surface,
+ struct pipe_video_rect *dst_area,
+ /*unsigned num_layers,
+ struct pipe_texture *layers,
+ struct pipe_video_rect *layer_src_areas,
+ struct pipe_video_rect *layer_dst_areas,*/
+ struct pipe_fence_handle **fence);
+
+#endif /* vl_compositor_h */
--- /dev/null
+#include "vl_mpeg12_mc_renderer.h"
+#include <assert.h>
+#include <pipe/p_context.h>
+#include <pipe/p_inlines.h>
+#include <util/u_math.h>
+#include <util/u_memory.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+#include "vl_shader_build.h"
+
+#define DEFAULT_BUF_ALIGNMENT 1
+#define MACROBLOCK_WIDTH 16
+#define MACROBLOCK_HEIGHT 16
+#define BLOCK_WIDTH 8
+#define BLOCK_HEIGHT 8
+#define ZERO_BLOCK_NIL -1.0f
+#define ZERO_BLOCK_IS_NIL(zb) ((zb).x < 0.0f)
+
+struct vertex2f
+{
+ float x, y;
+};
+
+struct vertex4f
+{
+ float x, y, z, w;
+};
+
+struct vertex_shader_consts
+{
+ struct vertex4f denorm;
+};
+
+struct fragment_shader_consts
+{
+ struct vertex4f multiplier;
+ struct vertex4f div;
+};
+
+/*
+ * Muliplier renormalizes block samples from 16 bits to 12 bits.
+ * Divider is used when calculating Y % 2 for choosing top or bottom
+ * field for P or B macroblocks.
+ * TODO: Use immediates.
+ */
+static const struct fragment_shader_consts fs_consts = {
+ {32767.0f / 255.0f, 32767.0f / 255.0f, 32767.0f / 255.0f, 0.0f},
+ {0.5f, 2.0f, 0.0f, 0.0f}
+};
+
+struct vert_stream_0
+{
+ struct vertex2f pos;
+ struct vertex2f luma_tc;
+ struct vertex2f cb_tc;
+ struct vertex2f cr_tc;
+};
+
+enum MACROBLOCK_TYPE
+{
+ MACROBLOCK_TYPE_INTRA,
+ MACROBLOCK_TYPE_FWD_FRAME_PRED,
+ MACROBLOCK_TYPE_FWD_FIELD_PRED,
+ MACROBLOCK_TYPE_BKWD_FRAME_PRED,
+ MACROBLOCK_TYPE_BKWD_FIELD_PRED,
+ MACROBLOCK_TYPE_BI_FRAME_PRED,
+ MACROBLOCK_TYPE_BI_FIELD_PRED,
+
+ NUM_MACROBLOCK_TYPES
+};
+
+static void
+create_intra_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 50;
+
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Vertex pos
+ * decl i1 ; Luma texcoords
+ * decl i2 ; Chroma Cb texcoords
+ * decl i3 ; Chroma Cr texcoords
+ */
+ for (unsigned i = 0; i < 4; i++)
+ {
+ decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma Cb texcoords
+ * decl o3 ; Chroma Cr texcoords
+ */
+ for (unsigned i = 0; i < 4; i++)
+ {
+ decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * mov o0, i0 ; Move input vertex pos to output
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma Cb texcoords to output
+ * mov o3, i3 ; Move input chroma Cr texcoords to output
+ */
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ vs.tokens = tokens;
+ r->i_vs = r->pipe->create_vs_state(r->pipe, &vs);
+ free(tokens);
+}
+
+static void
+create_intra_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 100;
+
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Luma texcoords
+ * decl i1 ; Chroma Cb texcoords
+ * decl i2 ; Chroma Cr texcoords
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl o0 ; Fragment color */
+ decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl t0, t1 */
+ decl = vl_decl_temps(0, 1);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl s0 ; Sampler for luma texture
+ * decl s1 ; Sampler for chroma Cb texture
+ * decl s2 ; Sampler for chroma Cr texture
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ decl = vl_decl_samplers(i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * tex2d t1, i0, s0 ; Read texel from luma texture
+ * mov t0.x, t1.x ; Move luma sample into .x component
+ * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
+ * mov t0.y, t1.x ; Move Cb sample into .y component
+ * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* mul o0, t0, c0 ; Rescale texel to correct range */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ fs.tokens = tokens;
+ r->i_fs = r->pipe->create_fs_state(r->pipe, &fs);
+ free(tokens);
+}
+
+static void
+create_frame_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 100;
+
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Vertex pos
+ * decl i1 ; Luma texcoords
+ * decl i2 ; Chroma Cb texcoords
+ * decl i3 ; Chroma Cr texcoords
+ * decl i4 ; Ref surface top field texcoords
+ * decl i5 ; Ref surface bottom field texcoords (unused, packed in the same stream)
+ */
+ for (unsigned i = 0; i < 6; i++)
+ {
+ decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma Cb texcoords
+ * decl o3 ; Chroma Cr texcoords
+ * decl o4 ; Ref macroblock texcoords
+ */
+ for (unsigned i = 0; i < 5; i++)
+ {
+ decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * mov o0, i0 ; Move input vertex pos to output
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma Cb texcoords to output
+ * mov o3, i3 ; Move input chroma Cr texcoords to output
+ */
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* add o4, i0, i4 ; Translate vertex pos by motion vec to form ref macroblock texcoords */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, 4);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ vs.tokens = tokens;
+ r->p_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
+ free(tokens);
+}
+
+static void
+create_field_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+static void
+create_frame_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 100;
+
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Luma texcoords
+ * decl i1 ; Chroma Cb texcoords
+ * decl i2 ; Chroma Cr texcoords
+ * decl i3 ; Ref macroblock texcoords
+ */
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl o0 ; Fragment color */
+ decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl t0, t1 */
+ decl = vl_decl_temps(0, 1);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl s0 ; Sampler for luma texture
+ * decl s1 ; Sampler for chroma Cb texture
+ * decl s2 ; Sampler for chroma Cr texture
+ * decl s3 ; Sampler for ref surface texture
+ */
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ decl = vl_decl_samplers(i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * tex2d t1, i0, s0 ; Read texel from luma texture
+ * mov t0.x, t1.x ; Move luma sample into .x component
+ * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
+ * mov t0.y, t1.x ; Move Cb sample into .y component
+ * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* mul t0, t0, c0 ; Rescale texel to correct range */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* tex2d t1, i3, s3 ; Read texel from ref macroblock */
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, 3, TGSI_FILE_SAMPLER, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add o0, t0, t1 ; Add ref and differential to form final output */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ fs.tokens = tokens;
+ r->p_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
+ free(tokens);
+}
+
+static void
+create_field_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+static void
+create_frame_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 100;
+
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Vertex pos
+ * decl i1 ; Luma texcoords
+ * decl i2 ; Chroma Cb texcoords
+ * decl i3 ; Chroma Cr texcoords
+ * decl i4 ; First ref macroblock top field texcoords
+ * decl i5 ; First ref macroblock bottom field texcoords (unused, packed in the same stream)
+ * decl i6 ; Second ref macroblock top field texcoords
+ * decl i7 ; Second ref macroblock bottom field texcoords (unused, packed in the same stream)
+ */
+ for (unsigned i = 0; i < 8; i++)
+ {
+ decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma Cb texcoords
+ * decl o3 ; Chroma Cr texcoords
+ * decl o4 ; First ref macroblock texcoords
+ * decl o5 ; Second ref macroblock texcoords
+ */
+ for (unsigned i = 0; i < 6; i++)
+ {
+ decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * mov o0, i0 ; Move input vertex pos to output
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma Cb texcoords to output
+ * mov o3, i3 ; Move input chroma Cr texcoords to output
+ */
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * add o4, i0, i4 ; Translate vertex pos by motion vec to form first ref macroblock texcoords
+ * add o5, i0, i6 ; Translate vertex pos by motion vec to form second ref macroblock texcoords
+ */
+ for (unsigned i = 0; i < 2; ++i)
+ {
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, (i + 2) * 2);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ vs.tokens = tokens;
+ r->b_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
+ free(tokens);
+}
+
+static void
+create_field_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+static void
+create_frame_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ const unsigned max_tokens = 100;
+
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned ti;
+
+ assert(r);
+
+ tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Luma texcoords
+ * decl i1 ; Chroma Cb texcoords
+ * decl i2 ; Chroma Cr texcoords
+ * decl i3 ; First ref macroblock texcoords
+ * decl i4 ; Second ref macroblock texcoords
+ */
+ for (unsigned i = 0; i < 5; ++i)
+ {
+ decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm
+ * decl c1 ; Constant 1/2 in .x channel to use as weight to blend past and future texels
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl o0 ; Fragment color */
+ decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* decl t0-t2 */
+ decl = vl_decl_temps(0, 2);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl s0 ; Sampler for luma texture
+ * decl s1 ; Sampler for chroma Cb texture
+ * decl s2 ; Sampler for chroma Cr texture
+ * decl s3 ; Sampler for first ref surface texture
+ * decl s4 ; Sampler for second ref surface texture
+ */
+ for (unsigned i = 0; i < 5; ++i)
+ {
+ decl = vl_decl_samplers(i, i);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /*
+ * tex2d t1, i0, s0 ; Read texel from luma texture
+ * mov t0.x, t1.x ; Move luma sample into .x component
+ * tex2d t1, i1, s1 ; Read texel from chroma Cb texture
+ * mov t0.y, t1.x ; Move Cb sample into .y component
+ * tex2d t1, i2, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* mul t0, t0, c0 ; Rescale texel to correct range */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * tex2d t1, i3, s3 ; Read texel from first ref macroblock
+ * tex2d t2, i4, s4 ; Read texel from second ref macroblock
+ */
+ for (unsigned i = 0; i < 2; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 3, TGSI_FILE_SAMPLER, i + 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* lerp t1, c1.x, t1, t2 ; Blend past and future texels */
+ inst = vl_inst4(TGSI_OPCODE_LRP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 1, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add o0, t0, t1 ; Add past/future ref and differential to form final output */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* end */
+ inst = vl_end();
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ assert(ti <= max_tokens);
+
+ fs.tokens = tokens;
+ r->b_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
+ free(tokens);
+}
+
+static void
+create_field_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+static void
+xfer_buffers_map(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ r->tex_transfer[i] = r->pipe->screen->get_tex_transfer
+ (
+ r->pipe->screen, r->textures.all[i],
+ 0, 0, 0, PIPE_TRANSFER_WRITE, 0, 0,
+ r->textures.all[i]->width[0], r->textures.all[i]->height[0]
+ );
+
+ r->texels[i] = r->pipe->screen->transfer_map(r->pipe->screen, r->tex_transfer[i]);
+ }
+}
+
+static void
+xfer_buffers_unmap(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ for (unsigned i = 0; i < 3; ++i)
+ {
+ r->pipe->screen->transfer_unmap(r->pipe->screen, r->tex_transfer[i]);
+ r->pipe->screen->tex_transfer_destroy(r->tex_transfer[i]);
+ }
+}
+
+static bool
+init_pipe_state(struct vl_mpeg12_mc_renderer *r)
+{
+ struct pipe_sampler_state sampler;
+ unsigned filters[5];
+
+ assert(r);
+
+ r->viewport.scale[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width) : r->picture_width;
+ r->viewport.scale[1] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height) : r->picture_height;
+ r->viewport.scale[2] = 1;
+ r->viewport.scale[3] = 1;
+ r->viewport.translate[0] = 0;
+ r->viewport.translate[1] = 0;
+ r->viewport.translate[2] = 0;
+ r->viewport.translate[3] = 0;
+
+ r->fb_state.width = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width) : r->picture_width;
+ r->fb_state.height = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height) : r->picture_height;
+ r->fb_state.nr_cbufs = 1;
+ r->fb_state.zsbuf = NULL;
+
+ /* Luma filter */
+ filters[0] = PIPE_TEX_FILTER_NEAREST;
+ /* Chroma filters */
+ if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444 ||
+ r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
+ {
+ filters[1] = PIPE_TEX_FILTER_NEAREST;
+ filters[2] = PIPE_TEX_FILTER_NEAREST;
+ }
+ else
+ {
+ filters[1] = PIPE_TEX_FILTER_LINEAR;
+ filters[2] = PIPE_TEX_FILTER_LINEAR;
+ }
+ /* Fwd, bkwd ref filters */
+ filters[3] = PIPE_TEX_FILTER_LINEAR;
+ filters[4] = PIPE_TEX_FILTER_LINEAR;
+
+ for (unsigned i = 0; i < 5; ++i)
+ {
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.min_img_filter = filters[i];
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler.mag_img_filter = filters[i];
+ sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
+ sampler.compare_func = PIPE_FUNC_ALWAYS;
+ sampler.normalized_coords = 1;
+ /*sampler.prefilter = ; */
+ /*sampler.shadow_ambient = ; */
+ /*sampler.lod_bias = ; */
+ sampler.min_lod = 0;
+ /*sampler.max_lod = ; */
+ /*sampler.border_color[i] = ; */
+ /*sampler.max_anisotropy = ; */
+ r->samplers.all[i] = r->pipe->create_sampler_state(r->pipe, &sampler);
+ }
+
+ return true;
+}
+
+static void
+cleanup_pipe_state(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ for (unsigned i = 0; i < 5; ++i)
+ r->pipe->delete_sampler_state(r->pipe, r->samplers.all[i]);
+}
+
+static bool
+init_shaders(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ create_intra_vert_shader(r);
+ create_intra_frag_shader(r);
+ create_frame_pred_vert_shader(r);
+ create_frame_pred_frag_shader(r);
+ create_frame_bi_pred_vert_shader(r);
+ create_frame_bi_pred_frag_shader(r);
+
+ return true;
+}
+
+static void
+cleanup_shaders(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ r->pipe->delete_vs_state(r->pipe, r->i_vs);
+ r->pipe->delete_fs_state(r->pipe, r->i_fs);
+ r->pipe->delete_vs_state(r->pipe, r->p_vs[0]);
+ r->pipe->delete_fs_state(r->pipe, r->p_fs[0]);
+ r->pipe->delete_vs_state(r->pipe, r->b_vs[0]);
+ r->pipe->delete_fs_state(r->pipe, r->b_fs[0]);
+}
+
+static bool
+init_buffers(struct vl_mpeg12_mc_renderer *r)
+{
+ struct pipe_texture template;
+
+ const unsigned mbw =
+ align(r->picture_width, MACROBLOCK_WIDTH) / MACROBLOCK_WIDTH;
+ const unsigned mbh =
+ align(r->picture_height, MACROBLOCK_HEIGHT) / MACROBLOCK_HEIGHT;
+
+ assert(r);
+
+ r->macroblocks_per_batch =
+ mbw * (r->bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE ? mbh : 1);
+ r->num_macroblocks = 0;
+ r->macroblock_buf = MALLOC(r->macroblocks_per_batch * sizeof(struct pipe_mpeg12_macroblock));
+
+ memset(&template, 0, sizeof(struct pipe_texture));
+ template.target = PIPE_TEXTURE_2D;
+ /* TODO: Accomodate HW that can't do this and also for cases when this isn't precise enough */
+ template.format = PIPE_FORMAT_R16_SNORM;
+ template.last_level = 0;
+ template.width[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width) : r->picture_width;
+ template.height[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height) : r->picture_height;
+ template.depth[0] = 1;
+ pf_get_block(template.format, &template.block);
+ template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_DYNAMIC;
+
+ r->textures.individual.y = r->pipe->screen->texture_create(r->pipe->screen, &template);
+
+ if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420)
+ {
+ template.width[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width / 2) :
+ r->picture_width / 2;
+ template.height[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height / 2) :
+ r->picture_height / 2;
+ }
+ else if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422)
+ template.height[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height / 2) :
+ r->picture_height / 2;
+
+ r->textures.individual.cb =
+ r->pipe->screen->texture_create(r->pipe->screen, &template);
+ r->textures.individual.cr =
+ r->pipe->screen->texture_create(r->pipe->screen, &template);
+
+ r->vertex_bufs.individual.ycbcr.stride = sizeof(struct vertex2f) * 4;
+ r->vertex_bufs.individual.ycbcr.max_index = 24 * r->macroblocks_per_batch - 1;
+ r->vertex_bufs.individual.ycbcr.buffer_offset = 0;
+ r->vertex_bufs.individual.ycbcr.buffer = pipe_buffer_create
+ (
+ r->pipe->screen,
+ DEFAULT_BUF_ALIGNMENT,
+ PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
+ sizeof(struct vertex2f) * 4 * 24 * r->macroblocks_per_batch
+ );
+
+ for (unsigned i = 1; i < 3; ++i)
+ {
+ r->vertex_bufs.all[i].stride = sizeof(struct vertex2f) * 2;
+ r->vertex_bufs.all[i].max_index = 24 * r->macroblocks_per_batch - 1;
+ r->vertex_bufs.all[i].buffer_offset = 0;
+ r->vertex_bufs.all[i].buffer = pipe_buffer_create
+ (
+ r->pipe->screen,
+ DEFAULT_BUF_ALIGNMENT,
+ PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
+ sizeof(struct vertex2f) * 2 * 24 * r->macroblocks_per_batch
+ );
+ }
+
+ /* Position element */
+ r->vertex_elems[0].src_offset = 0;
+ r->vertex_elems[0].vertex_buffer_index = 0;
+ r->vertex_elems[0].nr_components = 2;
+ r->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Luma, texcoord element */
+ r->vertex_elems[1].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[1].vertex_buffer_index = 0;
+ r->vertex_elems[1].nr_components = 2;
+ r->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cr texcoord element */
+ r->vertex_elems[2].src_offset = sizeof(struct vertex2f) * 2;
+ r->vertex_elems[2].vertex_buffer_index = 0;
+ r->vertex_elems[2].nr_components = 2;
+ r->vertex_elems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cb texcoord element */
+ r->vertex_elems[3].src_offset = sizeof(struct vertex2f) * 3;
+ r->vertex_elems[3].vertex_buffer_index = 0;
+ r->vertex_elems[3].nr_components = 2;
+ r->vertex_elems[3].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface top field texcoord element */
+ r->vertex_elems[4].src_offset = 0;
+ r->vertex_elems[4].vertex_buffer_index = 1;
+ r->vertex_elems[4].nr_components = 2;
+ r->vertex_elems[4].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface bottom field texcoord element */
+ r->vertex_elems[5].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[5].vertex_buffer_index = 1;
+ r->vertex_elems[5].nr_components = 2;
+ r->vertex_elems[5].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface top field texcoord element */
+ r->vertex_elems[6].src_offset = 0;
+ r->vertex_elems[6].vertex_buffer_index = 2;
+ r->vertex_elems[6].nr_components = 2;
+ r->vertex_elems[6].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface bottom field texcoord element */
+ r->vertex_elems[7].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[7].vertex_buffer_index = 2;
+ r->vertex_elems[7].nr_components = 2;
+ r->vertex_elems[7].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ r->vs_const_buf.buffer = pipe_buffer_create
+ (
+ r->pipe->screen,
+ DEFAULT_BUF_ALIGNMENT,
+ PIPE_BUFFER_USAGE_CONSTANT | PIPE_BUFFER_USAGE_DISCARD,
+ sizeof(struct vertex_shader_consts)
+ );
+
+ r->fs_const_buf.buffer = pipe_buffer_create
+ (
+ r->pipe->screen,
+ DEFAULT_BUF_ALIGNMENT,
+ PIPE_BUFFER_USAGE_CONSTANT, sizeof(struct fragment_shader_consts)
+ );
+
+ memcpy
+ (
+ pipe_buffer_map(r->pipe->screen, r->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ &fs_consts, sizeof(struct fragment_shader_consts)
+ );
+
+ pipe_buffer_unmap(r->pipe->screen, r->fs_const_buf.buffer);
+
+ return true;
+}
+
+static void
+cleanup_buffers(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(r);
+
+ pipe_buffer_reference(&r->vs_const_buf.buffer, NULL);
+ pipe_buffer_reference(&r->fs_const_buf.buffer, NULL);
+
+ for (unsigned i = 0; i < 3; ++i)
+ pipe_buffer_reference(&r->vertex_bufs.all[i].buffer, NULL);
+
+ for (unsigned i = 0; i < 3; ++i)
+ pipe_texture_reference(&r->textures.all[i], NULL);
+
+ FREE(r->macroblock_buf);
+}
+
+static enum MACROBLOCK_TYPE
+get_macroblock_type(struct pipe_mpeg12_macroblock *mb)
+{
+ assert(mb);
+
+ switch (mb->mb_type)
+ {
+ case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
+ return MACROBLOCK_TYPE_INTRA;
+ case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
+ return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
+ MACROBLOCK_TYPE_FWD_FRAME_PRED : MACROBLOCK_TYPE_FWD_FIELD_PRED;
+ case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
+ return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
+ MACROBLOCK_TYPE_BKWD_FRAME_PRED : MACROBLOCK_TYPE_BKWD_FIELD_PRED;
+ case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
+ return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
+ MACROBLOCK_TYPE_BI_FRAME_PRED : MACROBLOCK_TYPE_BI_FIELD_PRED;
+ default:
+ assert(0);
+ }
+
+ /* Unreachable */
+ return -1;
+}
+
+/* XXX: One of these days this will have to be killed with fire */
+#define SET_BLOCK(vb, cbp, mbx, mby, unitx, unity, ofsx, ofsy, hx, hy, lm, cbm, crm, use_zb, zb) \
+ do { \
+ (vb)[0].pos.x = (mbx) * (unitx) + (ofsx); (vb)[0].pos.y = (mby) * (unity) + (ofsy); \
+ (vb)[1].pos.x = (mbx) * (unitx) + (ofsx); (vb)[1].pos.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[2].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].pos.y = (mby) * (unity) + (ofsy); \
+ (vb)[3].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].pos.y = (mby) * (unity) + (ofsy); \
+ (vb)[4].pos.x = (mbx) * (unitx) + (ofsx); (vb)[4].pos.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[5].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].pos.y = (mby) * (unity) + (ofsy) + (hy); \
+ \
+ if (!use_zb || (cbp) & (lm)) \
+ { \
+ (vb)[0].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].luma_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[1].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[2].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].luma_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[3].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].luma_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[4].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[5].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ } \
+ else \
+ { \
+ (vb)[0].luma_tc.x = (zb)[0].x; (vb)[0].luma_tc.y = (zb)[0].y; \
+ (vb)[1].luma_tc.x = (zb)[0].x; (vb)[1].luma_tc.y = (zb)[0].y + (hy); \
+ (vb)[2].luma_tc.x = (zb)[0].x + (hx); (vb)[2].luma_tc.y = (zb)[0].y; \
+ (vb)[3].luma_tc.x = (zb)[0].x + (hx); (vb)[3].luma_tc.y = (zb)[0].y; \
+ (vb)[4].luma_tc.x = (zb)[0].x; (vb)[4].luma_tc.y = (zb)[0].y + (hy); \
+ (vb)[5].luma_tc.x = (zb)[0].x + (hx); (vb)[5].luma_tc.y = (zb)[0].y + (hy); \
+ } \
+ \
+ if (!use_zb || (cbp) & (cbm)) \
+ { \
+ (vb)[0].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cb_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[1].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[2].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cb_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[3].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cb_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[4].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[5].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ } \
+ else \
+ { \
+ (vb)[0].cb_tc.x = (zb)[1].x; (vb)[0].cb_tc.y = (zb)[1].y; \
+ (vb)[1].cb_tc.x = (zb)[1].x; (vb)[1].cb_tc.y = (zb)[1].y + (hy); \
+ (vb)[2].cb_tc.x = (zb)[1].x + (hx); (vb)[2].cb_tc.y = (zb)[1].y; \
+ (vb)[3].cb_tc.x = (zb)[1].x + (hx); (vb)[3].cb_tc.y = (zb)[1].y; \
+ (vb)[4].cb_tc.x = (zb)[1].x; (vb)[4].cb_tc.y = (zb)[1].y + (hy); \
+ (vb)[5].cb_tc.x = (zb)[1].x + (hx); (vb)[5].cb_tc.y = (zb)[1].y + (hy); \
+ } \
+ \
+ if (!use_zb || (cbp) & (crm)) \
+ { \
+ (vb)[0].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cr_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[1].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[2].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cr_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[3].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cr_tc.y = (mby) * (unity) + (ofsy); \
+ (vb)[4].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ (vb)[5].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
+ } \
+ else \
+ { \
+ (vb)[0].cr_tc.x = (zb)[2].x; (vb)[0].cr_tc.y = (zb)[2].y; \
+ (vb)[1].cr_tc.x = (zb)[2].x; (vb)[1].cr_tc.y = (zb)[2].y + (hy); \
+ (vb)[2].cr_tc.x = (zb)[2].x + (hx); (vb)[2].cr_tc.y = (zb)[2].y; \
+ (vb)[3].cr_tc.x = (zb)[2].x + (hx); (vb)[3].cr_tc.y = (zb)[2].y; \
+ (vb)[4].cr_tc.x = (zb)[2].x; (vb)[4].cr_tc.y = (zb)[2].y + (hy); \
+ (vb)[5].cr_tc.x = (zb)[2].x + (hx); (vb)[5].cr_tc.y = (zb)[2].y + (hy); \
+ } \
+ } while (0)
+
+static void
+gen_macroblock_verts(struct vl_mpeg12_mc_renderer *r,
+ struct pipe_mpeg12_macroblock *mb, unsigned pos,
+ struct vert_stream_0 *ycbcr_vb, struct vertex2f **ref_vb)
+{
+ struct vertex2f mo_vec[2];
+
+ assert(r);
+ assert(mb);
+ assert(ycbcr_vb);
+ assert(pos < r->macroblocks_per_batch);
+
+ switch (mb->mb_type)
+ {
+ case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
+ {
+ struct vertex2f *vb;
+
+ assert(ref_vb && ref_vb[1]);
+
+ vb = ref_vb[1] + pos * 2 * 24;
+
+ mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
+
+ if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME)
+ {
+ for (unsigned i = 0; i < 24 * 2; i += 2)
+ {
+ vb[i].x = mo_vec[0].x;
+ vb[i].y = mo_vec[0].y;
+ }
+ }
+ else
+ {
+ mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
+
+ for (unsigned i = 0; i < 24 * 2; i += 2)
+ {
+ vb[i].x = mo_vec[0].x;
+ vb[i].y = mo_vec[0].y;
+ vb[i + 1].x = mo_vec[1].x;
+ vb[i + 1].y = mo_vec[1].y;
+ }
+ }
+
+ /* fall-through */
+ }
+ case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
+ case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
+ {
+ struct vertex2f *vb;
+
+ assert(ref_vb && ref_vb[0]);
+
+ vb = ref_vb[0] + pos * 2 * 24;
+
+ if (mb->mb_type == PIPE_MPEG12_MACROBLOCK_TYPE_BKWD)
+ {
+ mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
+
+ if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD)
+ {
+ mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
+ }
+ }
+ else
+ {
+ mo_vec[0].x = mb->pmv[0][0][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[0].y = mb->pmv[0][0][1] * 0.5f * r->surface_tex_inv_size.y;
+
+ if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD)
+ {
+ mo_vec[1].x = mb->pmv[1][0][0] * 0.5f * r->surface_tex_inv_size.x;
+ mo_vec[1].y = mb->pmv[1][0][1] * 0.5f * r->surface_tex_inv_size.y;
+ }
+ }
+
+ if (mb->mb_type == PIPE_MPEG12_MOTION_TYPE_FRAME)
+ {
+ for (unsigned i = 0; i < 24 * 2; i += 2)
+ {
+ vb[i].x = mo_vec[0].x;
+ vb[i].y = mo_vec[0].y;
+ }
+ }
+ else
+ {
+ for (unsigned i = 0; i < 24 * 2; i += 2)
+ {
+ vb[i].x = mo_vec[0].x;
+ vb[i].y = mo_vec[0].y;
+ vb[i + 1].x = mo_vec[1].x;
+ vb[i + 1].y = mo_vec[1].y;
+ }
+ }
+
+ /* fall-through */
+ }
+ case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
+ {
+ const struct vertex2f unit =
+ {
+ r->surface_tex_inv_size.x * MACROBLOCK_WIDTH,
+ r->surface_tex_inv_size.y * MACROBLOCK_HEIGHT
+ };
+ const struct vertex2f half =
+ {
+ r->surface_tex_inv_size.x * (MACROBLOCK_WIDTH / 2),
+ r->surface_tex_inv_size.y * (MACROBLOCK_HEIGHT / 2)
+ };
+ const bool use_zb = r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE;
+
+ struct vert_stream_0 *vb = ycbcr_vb + pos * 24;
+
+ SET_BLOCK(vb, mb->cbp, mb->mbx, mb->mby,
+ unit.x, unit.y, 0, 0, half.x, half.y,
+ 32, 2, 1, use_zb, r->zero_block);
+
+ SET_BLOCK(vb + 6, mb->cbp, mb->mbx, mb->mby,
+ unit.x, unit.y, half.x, 0, half.x, half.y,
+ 16, 2, 1, use_zb, r->zero_block);
+
+ SET_BLOCK(vb + 12, mb->cbp, mb->mbx, mb->mby,
+ unit.x, unit.y, 0, half.y, half.x, half.y,
+ 8, 2, 1, use_zb, r->zero_block);
+
+ SET_BLOCK(vb + 18, mb->cbp, mb->mbx, mb->mby,
+ unit.x, unit.y, half.x, half.y, half.x, half.y,
+ 4, 2, 1, use_zb, r->zero_block);
+
+ break;
+ }
+ default:
+ assert(0);
+ }
+}
+
+static void
+gen_macroblock_stream(struct vl_mpeg12_mc_renderer *r,
+ unsigned *num_macroblocks)
+{
+ unsigned offset[NUM_MACROBLOCK_TYPES];
+ struct vert_stream_0 *ycbcr_vb;
+ struct vertex2f *ref_vb[2];
+
+ assert(r);
+ assert(num_macroblocks);
+
+ for (unsigned i = 0; i < r->num_macroblocks; ++i)
+ {
+ enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
+ ++num_macroblocks[mb_type];
+ }
+
+ offset[0] = 0;
+
+ for (unsigned i = 1; i < NUM_MACROBLOCK_TYPES; ++i)
+ offset[i] = offset[i - 1] + num_macroblocks[i - 1];
+
+ ycbcr_vb = (struct vert_stream_0 *)pipe_buffer_map
+ (
+ r->pipe->screen,
+ r->vertex_bufs.individual.ycbcr.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
+ );
+
+ for (unsigned i = 0; i < 2; ++i)
+ ref_vb[i] = (struct vertex2f *)pipe_buffer_map
+ (
+ r->pipe->screen,
+ r->vertex_bufs.individual.ref[i].buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
+ );
+
+ for (unsigned i = 0; i < r->num_macroblocks; ++i)
+ {
+ enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
+
+ gen_macroblock_verts(r, &r->macroblock_buf[i], offset[mb_type],
+ ycbcr_vb, ref_vb);
+
+ ++offset[mb_type];
+ }
+
+ pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ycbcr.buffer);
+ for (unsigned i = 0; i < 2; ++i)
+ pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ref[i].buffer);
+}
+
+static void
+flush(struct vl_mpeg12_mc_renderer *r)
+{
+ unsigned num_macroblocks[NUM_MACROBLOCK_TYPES] = { 0 };
+ unsigned vb_start = 0;
+ struct vertex_shader_consts *vs_consts;
+
+ assert(r);
+ assert(r->num_macroblocks == r->macroblocks_per_batch);
+
+ gen_macroblock_stream(r, num_macroblocks);
+
+ r->fb_state.cbufs[0] = r->pipe->screen->get_tex_surface
+ (
+ r->pipe->screen, r->surface,
+ 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE
+ );
+
+ r->pipe->set_framebuffer_state(r->pipe, &r->fb_state);
+ r->pipe->set_viewport_state(r->pipe, &r->viewport);
+
+ vs_consts = pipe_buffer_map
+ (
+ r->pipe->screen, r->vs_const_buf.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
+ );
+
+ vs_consts->denorm.x = r->surface->width[0];
+ vs_consts->denorm.y = r->surface->height[0];
+
+ pipe_buffer_unmap(r->pipe->screen, r->vs_const_buf.buffer);
+
+ r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_VERTEX, 0,
+ &r->vs_const_buf);
+ r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_FRAGMENT, 0,
+ &r->fs_const_buf);
+
+ if (num_macroblocks[MACROBLOCK_TYPE_INTRA] > 0)
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 1, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 4, r->vertex_elems);
+ r->pipe->set_sampler_textures(r->pipe, 3, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 3, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->i_vs);
+ r->pipe->bind_fs_state(r->pipe, r->i_fs);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24;
+ }
+
+ if (num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] > 0)
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
+ r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24;
+ }
+
+ if (false /*num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] > 0 */ )
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
+ r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24;
+ }
+
+ if (num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] > 0)
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
+ r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24;
+ }
+
+ if (false /*num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] > 0 */ )
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 4, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
+ r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24;
+ }
+
+ if (num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] > 0)
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 8, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->textures.individual.ref[1] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 5, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->b_vs[0]);
+ r->pipe->bind_fs_state(r->pipe, r->b_fs[0]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24;
+ }
+
+ if (false /*num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] > 0 */ )
+ {
+ r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
+ r->pipe->set_vertex_elements(r->pipe, 8, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->textures.individual.ref[1] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
+ r->pipe->bind_sampler_states(r->pipe, 5, r->samplers.all);
+ r->pipe->bind_vs_state(r->pipe, r->b_vs[1]);
+ r->pipe->bind_fs_state(r->pipe, r->b_fs[1]);
+
+ r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
+ num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24);
+ vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24;
+ }
+
+ r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, r->fence);
+ pipe_surface_reference(&r->fb_state.cbufs[0], NULL);
+
+ if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
+ for (unsigned i = 0; i < 3; ++i)
+ r->zero_block[i].x = ZERO_BLOCK_NIL;
+
+ r->num_macroblocks = 0;
+}
+
+static void
+grab_frame_coded_block(short *src, short *dst, unsigned dst_pitch)
+{
+ assert(src);
+ assert(dst);
+
+ for (unsigned y = 0; y < BLOCK_HEIGHT; ++y)
+ memcpy(dst + y * dst_pitch, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
+}
+
+static void
+grab_field_coded_block(short *src, short *dst, unsigned dst_pitch)
+{
+ assert(src);
+ assert(dst);
+
+ for (unsigned y = 0; y < BLOCK_HEIGHT; ++y)
+ memcpy(dst + y * dst_pitch * 2, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
+}
+
+static void
+fill_zero_block(short *dst, unsigned dst_pitch)
+{
+ assert(dst);
+
+ for (unsigned y = 0; y < BLOCK_HEIGHT; ++y)
+ memset(dst + y * dst_pitch, 0, BLOCK_WIDTH * 2);
+}
+
+static void
+grab_blocks(struct vl_mpeg12_mc_renderer *r, unsigned mbx, unsigned mby,
+ enum pipe_mpeg12_dct_type dct_type, unsigned cbp, short *blocks)
+{
+ unsigned tex_pitch;
+ short *texels;
+ unsigned tb = 0, sb = 0;
+ unsigned mbpx = mbx * MACROBLOCK_WIDTH, mbpy = mby * MACROBLOCK_HEIGHT;
+
+ assert(r);
+ assert(blocks);
+
+ tex_pitch = r->tex_transfer[0]->stride / r->tex_transfer[0]->block.size;
+ texels = r->texels[0] + mbpy * tex_pitch + mbpx;
+
+ for (unsigned y = 0; y < 2; ++y)
+ {
+ for (unsigned x = 0; x < 2; ++x, ++tb)
+ {
+ if ((cbp >> (5 - tb)) & 1)
+ {
+ if (dct_type == PIPE_MPEG12_DCT_TYPE_FRAME)
+ {
+ grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
+ texels + y * tex_pitch * BLOCK_WIDTH +
+ x * BLOCK_WIDTH, tex_pitch);
+ }
+ else
+ {
+ grab_field_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
+ texels + y * tex_pitch + x * BLOCK_WIDTH,
+ tex_pitch);
+ }
+
+ ++sb;
+ }
+ else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE)
+ {
+ if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
+ ZERO_BLOCK_IS_NIL(r->zero_block[0]))
+ {
+ fill_zero_block(texels + y * tex_pitch * BLOCK_WIDTH + x * BLOCK_WIDTH, tex_pitch);
+ if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
+ {
+ r->zero_block[0].x = (mbpx + x * 8) * r->surface_tex_inv_size.x;
+ r->zero_block[0].y = (mbpy + y * 8) * r->surface_tex_inv_size.y;
+ }
+ }
+ }
+ }
+ }
+
+ /* TODO: Implement 422, 444 */
+ assert(r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
+
+ mbpx /= 2;
+ mbpy /= 2;
+
+ for (tb = 0; tb < 2; ++tb)
+ {
+ tex_pitch = r->tex_transfer[tb + 1]->stride / r->tex_transfer[tb + 1]->block.size;
+ texels = r->texels[tb + 1] + mbpy * tex_pitch + mbpx;
+
+ if ((cbp >> (1 - tb)) & 1)
+ {
+ grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT, texels, tex_pitch);
+ ++sb;
+ }
+ else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE)
+ {
+ if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
+ ZERO_BLOCK_IS_NIL(r->zero_block[tb + 1]))
+ {
+ fill_zero_block(texels, tex_pitch);
+ if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
+ {
+ r->zero_block[tb + 1].x = (mbpx << 1) * r->surface_tex_inv_size.x;
+ r->zero_block[tb + 1].y = (mbpy << 1) * r->surface_tex_inv_size.y;
+ }
+ }
+ }
+ }
+}
+
+static void
+grab_macroblock(struct vl_mpeg12_mc_renderer *r,
+ struct pipe_mpeg12_macroblock *mb)
+{
+ assert(r);
+ assert(mb);
+ assert(r->num_macroblocks < r->macroblocks_per_batch);
+
+ memcpy(&r->macroblock_buf[r->num_macroblocks], mb,
+ sizeof(struct pipe_mpeg12_macroblock));
+
+ grab_blocks(r, mb->mbx, mb->mby, mb->dct_type, mb->cbp, mb->blocks);
+
+ ++r->num_macroblocks;
+}
+
+bool
+vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
+ struct pipe_context *pipe,
+ unsigned picture_width,
+ unsigned picture_height,
+ enum pipe_video_chroma_format chroma_format,
+ enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
+ enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
+ bool pot_buffers)
+{
+ assert(renderer);
+ assert(pipe);
+ /* TODO: Implement other policies */
+ assert(bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE);
+ /* TODO: Implement this */
+ /* XXX: XFER_ALL sampling issue at block edges when using bilinear filtering */
+ assert(eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE);
+ /* TODO: Non-pot buffers untested, probably doesn't work without changes to texcoord generation, vert shader, etc */
+ assert(pot_buffers);
+
+ memset(renderer, 0, sizeof(struct vl_mpeg12_mc_renderer));
+
+ renderer->pipe = pipe;
+ renderer->picture_width = picture_width;
+ renderer->picture_height = picture_height;
+ renderer->chroma_format = chroma_format;
+ renderer->bufmode = bufmode;
+ renderer->eb_handling = eb_handling;
+ renderer->pot_buffers = pot_buffers;
+
+ if (!init_pipe_state(renderer))
+ return false;
+ if (!init_shaders(renderer))
+ {
+ cleanup_pipe_state(renderer);
+ return false;
+ }
+ if (!init_buffers(renderer))
+ {
+ cleanup_shaders(renderer);
+ cleanup_pipe_state(renderer);
+ return false;
+ }
+
+ renderer->surface = NULL;
+ renderer->past = NULL;
+ renderer->future = NULL;
+ for (unsigned i = 0; i < 3; ++i)
+ renderer->zero_block[i].x = ZERO_BLOCK_NIL;
+ renderer->num_macroblocks = 0;
+
+ xfer_buffers_map(renderer);
+
+ return true;
+}
+
+void
+vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer)
+{
+ assert(renderer);
+
+ xfer_buffers_unmap(renderer);
+
+ cleanup_pipe_state(renderer);
+ cleanup_shaders(renderer);
+ cleanup_buffers(renderer);
+}
+
+void
+vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer
+ *renderer,
+ struct pipe_texture *surface,
+ struct pipe_texture *past,
+ struct pipe_texture *future,
+ unsigned num_macroblocks,
+ struct pipe_mpeg12_macroblock
+ *mpeg12_macroblocks,
+ struct pipe_fence_handle **fence)
+{
+ bool new_surface = false;
+
+ assert(renderer);
+ assert(surface);
+ assert(num_macroblocks);
+ assert(mpeg12_macroblocks);
+
+ if (renderer->surface)
+ {
+ if (surface != renderer->surface)
+ {
+ if (renderer->num_macroblocks > 0)
+ {
+ xfer_buffers_unmap(renderer);
+ flush(renderer);
+ }
+
+ new_surface = true;
+ }
+
+ /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
+ assert(surface != renderer->surface || renderer->past == past);
+ assert(surface != renderer->surface || renderer->future == future);
+ }
+ else
+ new_surface = true;
+
+ if (new_surface)
+ {
+ renderer->surface = surface;
+ renderer->past = past;
+ renderer->future = future;
+ renderer->fence = fence;
+ renderer->surface_tex_inv_size.x = 1.0f / surface->width[0];
+ renderer->surface_tex_inv_size.y = 1.0f / surface->height[0];
+ }
+
+ while (num_macroblocks)
+ {
+ unsigned left_in_batch = renderer->macroblocks_per_batch - renderer->num_macroblocks;
+ unsigned num_to_submit = MIN2(num_macroblocks, left_in_batch);
+
+ for (unsigned i = 0; i < num_to_submit; ++i)
+ {
+ assert(mpeg12_macroblocks[i].base.codec == PIPE_VIDEO_CODEC_MPEG12);
+ grab_macroblock(renderer, &mpeg12_macroblocks[i]);
+ }
+
+ num_macroblocks -= num_to_submit;
+
+ if (renderer->num_macroblocks == renderer->macroblocks_per_batch)
+ {
+ xfer_buffers_unmap(renderer);
+ flush(renderer);
+ xfer_buffers_map(renderer);
+ /* Next time we get this surface it may have new ref frames */
+ renderer->surface = NULL;
+ }
+ }
+}
--- /dev/null
+#ifndef vl_mpeg12_mc_renderer_h
+#define vl_mpeg12_mc_renderer_h
+
+#include <stdbool.h>
+#include <pipe/p_state.h>
+#include <pipe/p_video_state.h>
+
+struct pipe_context;
+struct pipe_video_surface;
+struct pipe_macroblock;
+
+/* A slice is video-width (rounded up to a multiple of macroblock width) x macroblock height */
+enum VL_MPEG12_MC_RENDERER_BUFFER_MODE
+{
+ VL_MPEG12_MC_RENDERER_BUFFER_SLICE, /* Saves memory at the cost of smaller batches */
+ VL_MPEG12_MC_RENDERER_BUFFER_PICTURE /* Larger batches, more memory */
+};
+
+enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK
+{
+ VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL, /* Waste of memory bandwidth */
+ VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE, /* Can only do point-filtering when interpolating subsampled chroma channels */
+ VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE /* Needs conditional texel fetch! */
+};
+
+struct vl_mpeg12_mc_renderer
+{
+ struct pipe_context *pipe;
+ unsigned picture_width;
+ unsigned picture_height;
+ enum pipe_video_chroma_format chroma_format;
+ enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode;
+ enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling;
+ bool pot_buffers;
+ unsigned macroblocks_per_batch;
+
+ struct pipe_viewport_state viewport;
+ struct pipe_constant_buffer vs_const_buf;
+ struct pipe_constant_buffer fs_const_buf;
+ struct pipe_framebuffer_state fb_state;
+ struct pipe_vertex_element vertex_elems[8];
+
+ union
+ {
+ void *all[5];
+ struct { void *y, *cb, *cr, *ref[2]; } individual;
+ } samplers;
+
+ void *i_vs, *p_vs[2], *b_vs[2];
+ void *i_fs, *p_fs[2], *b_fs[2];
+
+ union
+ {
+ struct pipe_texture *all[5];
+ struct { struct pipe_texture *y, *cb, *cr, *ref[2]; } individual;
+ } textures;
+
+ union
+ {
+ struct pipe_vertex_buffer all[3];
+ struct { struct pipe_vertex_buffer ycbcr, ref[2]; } individual;
+ } vertex_bufs;
+
+ struct pipe_texture *surface, *past, *future;
+ struct pipe_fence_handle **fence;
+ unsigned num_macroblocks;
+ struct pipe_mpeg12_macroblock *macroblock_buf;
+ struct pipe_transfer *tex_transfer[3];
+ short *texels[3];
+ struct { float x, y; } surface_tex_inv_size;
+ struct { float x, y; } zero_block[3];
+};
+
+bool vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
+ struct pipe_context *pipe,
+ unsigned picture_width,
+ unsigned picture_height,
+ enum pipe_video_chroma_format chroma_format,
+ enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
+ enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
+ bool pot_buffers);
+
+void vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer);
+
+void vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer *renderer,
+ struct pipe_texture *surface,
+ struct pipe_texture *past,
+ struct pipe_texture *future,
+ unsigned num_macroblocks,
+ struct pipe_mpeg12_macroblock *mpeg12_macroblocks,
+ struct pipe_fence_handle **fence);
+
+#endif /* vl_mpeg12_mc_renderer_h */
--- /dev/null
+#include "vl_shader_build.h"
+#include <assert.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+
+struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_INPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.SemanticName = name;
+ decl.Semantic.SemanticIndex = index;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_interpolated_input
+(
+ unsigned int name,
+ unsigned int index,
+ unsigned int first,
+ unsigned int last,
+ int interpolation
+)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ assert
+ (
+ interpolation == TGSI_INTERPOLATE_CONSTANT ||
+ interpolation == TGSI_INTERPOLATE_LINEAR ||
+ interpolation == TGSI_INTERPOLATE_PERSPECTIVE
+ );
+
+ decl.Declaration.File = TGSI_FILE_INPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.SemanticName = name;
+ decl.Semantic.SemanticIndex = index;
+ decl.Declaration.Interpolate = interpolation;;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_CONSTANT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.SemanticName = name;
+ decl.Semantic.SemanticIndex = index;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl.Declaration.File = TGSI_FILE_OUTPUT;
+ decl.Declaration.Semantic = 1;
+ decl.Semantic.SemanticName = name;
+ decl.Semantic.SemanticIndex = index;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl = tgsi_default_full_declaration();
+ decl.Declaration.File = TGSI_FILE_TEMPORARY;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last)
+{
+ struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+ decl = tgsi_default_full_declaration();
+ decl.Declaration.File = TGSI_FILE_SAMPLER;
+ decl.DeclarationRange.First = first;
+ decl.DeclarationRange.Last = last;
+
+ return decl;
+}
+
+struct tgsi_full_instruction vl_inst2
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src_file,
+ unsigned int src_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.FullDstRegisters[0].DstRegister.File = dst_file;
+ inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 1;
+ inst.FullSrcRegisters[0].SrcRegister.File = src_file;
+ inst.FullSrcRegisters[0].SrcRegister.Index = src_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_inst3
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.FullDstRegisters[0].DstRegister.File = dst_file;
+ inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 2;
+ inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+ inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+ inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+ inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_tex
+(
+ int tex,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = TGSI_OPCODE_TEX;
+ inst.Instruction.NumDstRegs = 1;
+ inst.FullDstRegisters[0].DstRegister.File = dst_file;
+ inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 2;
+ inst.InstructionExtTexture.Texture = tex;
+ inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+ inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+ inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+ inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_inst4
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index,
+ enum tgsi_file_type src3_file,
+ unsigned int src3_index
+)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = opcode;
+ inst.Instruction.NumDstRegs = 1;
+ inst.FullDstRegisters[0].DstRegister.File = dst_file;
+ inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+ inst.Instruction.NumSrcRegs = 3;
+ inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+ inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+ inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+ inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+ inst.FullSrcRegisters[2].SrcRegister.File = src3_file;
+ inst.FullSrcRegisters[2].SrcRegister.Index = src3_index;
+
+ return inst;
+}
+
+struct tgsi_full_instruction vl_end(void)
+{
+ struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+ inst.Instruction.Opcode = TGSI_OPCODE_END;
+ inst.Instruction.NumDstRegs = 0;
+ inst.Instruction.NumSrcRegs = 0;
+
+ return inst;
+}
--- /dev/null
+#ifndef vl_shader_build_h
+#define vl_shader_build_h
+
+#include <pipe/p_shader_tokens.h>
+
+struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last);
+struct tgsi_full_declaration vl_decl_interpolated_input
+(
+ unsigned int name,
+ unsigned int index,
+ unsigned int first,
+ unsigned int last,
+ int interpolation
+);
+struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last);
+struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last);
+struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last);
+struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last);
+struct tgsi_full_instruction vl_inst2
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src_file,
+ unsigned int src_index
+);
+struct tgsi_full_instruction vl_inst3
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+);
+struct tgsi_full_instruction vl_tex
+(
+ int tex,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index
+);
+struct tgsi_full_instruction vl_inst4
+(
+ int opcode,
+ enum tgsi_file_type dst_file,
+ unsigned int dst_index,
+ enum tgsi_file_type src1_file,
+ unsigned int src1_index,
+ enum tgsi_file_type src2_file,
+ unsigned int src2_index,
+ enum tgsi_file_type src3_file,
+ unsigned int src3_index
+);
+struct tgsi_full_instruction vl_end(void);
+
+#endif
sp_tex_sample.c \
sp_tex_tile_cache.c \
sp_tile_cache.c \
- sp_surface.c
+ sp_surface.c \
+ sp_video_context.c
include ../../Makefile.template
'sp_tex_tile_cache.c',
'sp_texture.c',
'sp_tile_cache.c',
+ 'sp_video_context.c',
])
-Export('softpipe')
\ No newline at end of file
+Export('softpipe')
}
}
+static struct pipe_video_surface*
+softpipe_video_surface_create(struct pipe_screen *screen,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height)
+{
+ struct softpipe_video_surface *sp_vsfc;
+ struct pipe_texture template;
+
+ assert(screen);
+ assert(width && height);
+
+ sp_vsfc = CALLOC_STRUCT(softpipe_video_surface);
+ if (!sp_vsfc)
+ return NULL;
+
+ pipe_reference_init(&sp_vsfc->base.reference, 1);
+ sp_vsfc->base.screen = screen;
+ sp_vsfc->base.chroma_format = chroma_format;
+ /*sp_vsfc->base.surface_format = PIPE_VIDEO_SURFACE_FORMAT_VUYA;*/
+ sp_vsfc->base.width = width;
+ sp_vsfc->base.height = height;
+
+ memset(&template, 0, sizeof(struct pipe_texture));
+ template.target = PIPE_TEXTURE_2D;
+ template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
+ template.last_level = 0;
+ /* vl_mpeg12_mc_renderer expects this when it's initialized with pot_buffers=true */
+ template.width[0] = util_next_power_of_two(width);
+ template.height[0] = util_next_power_of_two(height);
+ template.depth[0] = 1;
+ pf_get_block(template.format, &template.block);
+ template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+ sp_vsfc->tex = screen->texture_create(screen, &template);
+ if (!sp_vsfc->tex)
+ {
+ FREE(sp_vsfc);
+ return NULL;
+ }
+
+ return &sp_vsfc->base;
+}
+
+
+static void
+softpipe_video_surface_destroy(struct pipe_video_surface *vsfc)
+{
+ struct softpipe_video_surface *sp_vsfc = softpipe_video_surface(vsfc);
+
+ pipe_texture_reference(&sp_vsfc->tex, NULL);
+ FREE(sp_vsfc);
+}
+
void
softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
screen->tex_transfer_destroy = softpipe_tex_transfer_destroy;
screen->transfer_map = softpipe_transfer_map;
screen->transfer_unmap = softpipe_transfer_unmap;
+
+ screen->video_surface_create = softpipe_video_surface_create;
+ screen->video_surface_destroy = softpipe_video_surface_destroy;
}
#include "pipe/p_state.h"
+#include "pipe/p_video_state.h"
struct pipe_context;
unsigned long offset;
};
+struct softpipe_video_surface
+{
+ struct pipe_video_surface base;
+
+ /* The data is held here:
+ */
+ struct pipe_texture *tex;
+};
+
/** cast wrappers */
static INLINE struct softpipe_texture *
return (struct softpipe_transfer *) pt;
}
+static INLINE struct softpipe_video_surface *
+softpipe_video_surface(struct pipe_video_surface *pvs)
+{
+ return (struct softpipe_video_surface *) pvs;
+}
+
extern void
softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
--- /dev/null
+#include "sp_video_context.h"
+#include <pipe/p_inlines.h>
+#include <util/u_memory.h>
+#include "softpipe/sp_winsys.h"
+#include "softpipe/sp_texture.h"
+
+static void
+sp_mpeg12_destroy(struct pipe_video_context *vpipe)
+{
+ struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
+
+ assert(vpipe);
+
+ /* Asserted in softpipe_delete_fs_state() for some reason */
+ ctx->pipe->bind_vs_state(ctx->pipe, NULL);
+ ctx->pipe->bind_fs_state(ctx->pipe, NULL);
+
+ ctx->pipe->delete_blend_state(ctx->pipe, ctx->blend);
+ ctx->pipe->delete_rasterizer_state(ctx->pipe, ctx->rast);
+ ctx->pipe->delete_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
+
+ pipe_video_surface_reference(&ctx->decode_target, NULL);
+ vl_compositor_cleanup(&ctx->compositor);
+ vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
+ ctx->pipe->destroy(ctx->pipe);
+
+ FREE(ctx);
+}
+
+static void
+sp_mpeg12_decode_macroblocks(struct pipe_video_context *vpipe,
+ struct pipe_video_surface *past,
+ struct pipe_video_surface *future,
+ unsigned num_macroblocks,
+ struct pipe_macroblock *macroblocks,
+ struct pipe_fence_handle **fence)
+{
+ struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
+ struct pipe_mpeg12_macroblock *mpeg12_macroblocks = (struct pipe_mpeg12_macroblock*)macroblocks;
+
+ assert(vpipe);
+ assert(num_macroblocks);
+ assert(macroblocks);
+ assert(macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12);
+ assert(ctx->decode_target);
+
+ vl_mpeg12_mc_renderer_render_macroblocks(&ctx->mc_renderer,
+ softpipe_video_surface(ctx->decode_target)->tex,
+ past ? softpipe_video_surface(past)->tex : NULL,
+ future ? softpipe_video_surface(future)->tex : NULL,
+ num_macroblocks, mpeg12_macroblocks, fence);
+}
+
+static void
+sp_mpeg12_clear_surface(struct pipe_video_context *vpipe,
+ unsigned x, unsigned y,
+ unsigned width, unsigned height,
+ unsigned value,
+ struct pipe_surface *surface)
+{
+ struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
+
+ assert(vpipe);
+ assert(surface);
+
+ ctx->pipe->surface_fill(ctx->pipe, surface, x, y, width, height, value);
+}
+
+static void
+sp_mpeg12_render_picture(struct pipe_video_context *vpipe,
+ /*struct pipe_surface *backround,
+ struct pipe_video_rect *backround_area,*/
+ struct pipe_video_surface *src_surface,
+ enum pipe_mpeg12_picture_type picture_type,
+ /*unsigned num_past_surfaces,
+ struct pipe_video_surface *past_surfaces,
+ unsigned num_future_surfaces,
+ struct pipe_video_surface *future_surfaces,*/
+ struct pipe_video_rect *src_area,
+ struct pipe_surface *dst_surface,
+ struct pipe_video_rect *dst_area,
+ /*unsigned num_layers,
+ struct pipe_surface *layers,
+ struct pipe_video_rect *layer_src_areas,
+ struct pipe_video_rect *layer_dst_areas*/
+ struct pipe_fence_handle **fence)
+{
+ struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
+
+ assert(vpipe);
+ assert(src_surface);
+ assert(src_area);
+ assert(dst_surface);
+ assert(dst_area);
+
+ vl_compositor_render(&ctx->compositor, softpipe_video_surface(src_surface)->tex,
+ picture_type, src_area, dst_surface->texture, dst_area, fence);
+}
+
+static void
+sp_mpeg12_set_decode_target(struct pipe_video_context *vpipe,
+ struct pipe_video_surface *dt)
+{
+ struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
+
+ assert(vpipe);
+ assert(dt);
+
+ pipe_video_surface_reference(&ctx->decode_target, dt);
+}
+
+static bool
+init_pipe_state(struct sp_mpeg12_context *ctx)
+{
+ struct pipe_rasterizer_state rast;
+ struct pipe_blend_state blend;
+ struct pipe_depth_stencil_alpha_state dsa;
+
+ assert(ctx);
+
+ rast.flatshade = 1;
+ rast.flatshade_first = 0;
+ rast.light_twoside = 0;
+ rast.front_winding = PIPE_WINDING_CCW;
+ rast.cull_mode = PIPE_WINDING_CW;
+ rast.fill_cw = PIPE_POLYGON_MODE_FILL;
+ rast.fill_ccw = PIPE_POLYGON_MODE_FILL;
+ rast.offset_cw = 0;
+ rast.offset_ccw = 0;
+ rast.scissor = 0;
+ rast.poly_smooth = 0;
+ rast.poly_stipple_enable = 0;
+ rast.point_sprite = 0;
+ rast.point_size_per_vertex = 0;
+ rast.multisample = 0;
+ rast.line_smooth = 0;
+ rast.line_stipple_enable = 0;
+ rast.line_stipple_factor = 0;
+ rast.line_stipple_pattern = 0;
+ rast.line_last_pixel = 0;
+ rast.bypass_vs_clip_and_viewport = 0;
+ rast.line_width = 1;
+ rast.point_smooth = 0;
+ rast.point_size = 1;
+ rast.offset_units = 1;
+ rast.offset_scale = 1;
+ /*rast.sprite_coord_mode[i] = ;*/
+ ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast);
+ ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast);
+
+ blend.blend_enable = 0;
+ blend.rgb_func = PIPE_BLEND_ADD;
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
+ blend.alpha_func = PIPE_BLEND_ADD;
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
+ blend.logicop_enable = 0;
+ blend.logicop_func = PIPE_LOGICOP_CLEAR;
+ /* Needed to allow color writes to FB, even if blending disabled */
+ blend.colormask = PIPE_MASK_RGBA;
+ blend.dither = 0;
+ ctx->blend = ctx->pipe->create_blend_state(ctx->pipe, &blend);
+ ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend);
+
+ dsa.depth.enabled = 0;
+ dsa.depth.writemask = 0;
+ dsa.depth.func = PIPE_FUNC_ALWAYS;
+ dsa.depth.occlusion_count = 0;
+ for (unsigned i = 0; i < 2; ++i)
+ {
+ dsa.stencil[i].enabled = 0;
+ dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
+ dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
+ dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
+ dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
+ dsa.stencil[i].ref_value = 0;
+ dsa.stencil[i].valuemask = 0;
+ dsa.stencil[i].writemask = 0;
+ }
+ dsa.alpha.enabled = 0;
+ dsa.alpha.func = PIPE_FUNC_ALWAYS;
+ dsa.alpha.ref_value = 0;
+ ctx->dsa = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &dsa);
+ ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
+
+ return true;
+}
+
+static struct pipe_video_context *
+sp_mpeg12_create(struct pipe_screen *screen, enum pipe_video_profile profile,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height)
+{
+ struct sp_mpeg12_context *ctx;
+
+ assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12);
+
+ ctx = CALLOC_STRUCT(sp_mpeg12_context);
+
+ if (!ctx)
+ return NULL;
+
+ ctx->base.profile = profile;
+ ctx->base.chroma_format = chroma_format;
+ ctx->base.width = width;
+ ctx->base.height = height;
+
+ ctx->base.screen = screen;
+ ctx->base.destroy = sp_mpeg12_destroy;
+ ctx->base.decode_macroblocks = sp_mpeg12_decode_macroblocks;
+ ctx->base.clear_surface = sp_mpeg12_clear_surface;
+ ctx->base.render_picture = sp_mpeg12_render_picture;
+ ctx->base.set_decode_target = sp_mpeg12_set_decode_target;
+
+ ctx->pipe = softpipe_create(screen);
+ if (!ctx->pipe)
+ {
+ FREE(ctx);
+ return NULL;
+ }
+
+ /* TODO: Use slice buffering for softpipe when implemented, no advantage to buffering an entire picture */
+ if (!vl_mpeg12_mc_renderer_init(&ctx->mc_renderer, ctx->pipe,
+ width, height, chroma_format,
+ VL_MPEG12_MC_RENDERER_BUFFER_PICTURE,
+ /* TODO: Use XFER_NONE when implemented */
+ VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE,
+ true))
+ {
+ ctx->pipe->destroy(ctx->pipe);
+ FREE(ctx);
+ return NULL;
+ }
+
+ if (!vl_compositor_init(&ctx->compositor, ctx->pipe))
+ {
+ vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
+ ctx->pipe->destroy(ctx->pipe);
+ FREE(ctx);
+ return NULL;
+ }
+
+ if (!init_pipe_state(ctx))
+ {
+ vl_compositor_cleanup(&ctx->compositor);
+ vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
+ ctx->pipe->destroy(ctx->pipe);
+ FREE(ctx);
+ return NULL;
+ }
+
+ return &ctx->base;
+}
+
+struct pipe_video_context *
+sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height)
+{
+ assert(screen);
+ assert(width && height);
+
+ switch (u_reduce_video_profile(profile))
+ {
+ case PIPE_VIDEO_CODEC_MPEG12:
+ return sp_mpeg12_create(screen, profile,
+ chroma_format,
+ width, height);
+ default:
+ return NULL;
+ }
+}
--- /dev/null
+#ifndef SP_VIDEO_CONTEXT_H
+#define SP_VIDEO_CONTEXT_H
+
+#include <pipe/p_video_context.h>
+#include <vl/vl_mpeg12_mc_renderer.h>
+#include <vl/vl_compositor.h>
+
+struct pipe_screen;
+struct pipe_context;
+struct pipe_video_surface;
+
+struct sp_mpeg12_context
+{
+ struct pipe_video_context base;
+ struct pipe_context *pipe;
+ struct pipe_video_surface *decode_target;
+ struct vl_mpeg12_mc_renderer mc_renderer;
+ struct vl_compositor compositor;
+
+ void *rast;
+ void *dsa;
+ void *blend;
+};
+
+struct pipe_video_context *
+sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height);
+
+#endif /* SP_VIDEO_CONTEXT_H */
#define PIPE_REFERENCED_FOR_READ (1 << 0)
#define PIPE_REFERENCED_FOR_WRITE (1 << 1)
+
+enum pipe_video_codec
+{
+ PIPE_VIDEO_CODEC_MPEG12, /**< MPEG1, MPEG2 */
+ PIPE_VIDEO_CODEC_MPEG4, /**< DIVX, XVID */
+ PIPE_VIDEO_CODEC_VC1, /**< WMV */
+ PIPE_VIDEO_CODEC_MPEG4_AVC /**< H.264 */
+};
+
+enum pipe_video_profile
+{
+ PIPE_VIDEO_PROFILE_MPEG1,
+ PIPE_VIDEO_PROFILE_MPEG2_SIMPLE,
+ PIPE_VIDEO_PROFILE_MPEG2_MAIN,
+ PIPE_VIDEO_PROFILE_MPEG4_SIMPLE,
+ PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE,
+ PIPE_VIDEO_PROFILE_VC1_SIMPLE,
+ PIPE_VIDEO_PROFILE_VC1_MAIN,
+ PIPE_VIDEO_PROFILE_VC1_ADVANCED,
+ PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE,
+ PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN,
+ PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH
+};
+
#ifdef __cplusplus
}
#endif
}
}
+enum pipe_video_chroma_format
+{
+ PIPE_VIDEO_CHROMA_FORMAT_420,
+ PIPE_VIDEO_CHROMA_FORMAT_422,
+ PIPE_VIDEO_CHROMA_FORMAT_444
+};
+
+#if 0
+enum pipe_video_surface_format
+{
+ PIPE_VIDEO_SURFACE_FORMAT_NV12, /**< Planar; Y plane, UV plane */
+ PIPE_VIDEO_SURFACE_FORMAT_YV12, /**< Planar; Y plane, U plane, V plane */
+ PIPE_VIDEO_SURFACE_FORMAT_YUYV, /**< Interleaved; Y,U,Y,V,Y,U,Y,V */
+ PIPE_VIDEO_SURFACE_FORMAT_UYVY, /**< Interleaved; U,Y,V,Y,U,Y,V,Y */
+ PIPE_VIDEO_SURFACE_FORMAT_VUYA /**< Packed; A31-24|Y23-16|U15-8|V7-0 */
+};
+#endif
+
#ifdef __cplusplus
}
#endif
struct pipe_fence_handle;
struct pipe_winsys;
struct pipe_buffer;
-
+struct pipe_texture;
+struct pipe_surface;
+struct pipe_video_surface;
+struct pipe_transfer;
/**
void (*buffer_destroy)( struct pipe_buffer *buf );
+ /**
+ * Create a video surface suitable for use as a decoding target by the
+ * driver's pipe_video_context.
+ */
+ struct pipe_video_surface*
+ (*video_surface_create)( struct pipe_screen *screen,
+ enum pipe_video_chroma_format chroma_format,
+ unsigned width, unsigned height );
+
+ void (*video_surface_destroy)( struct pipe_video_surface *vsfc );
+
/**
* Do any special operations to ensure frontbuffer contents are
--- /dev/null
+#ifndef PIPE_VIDEO_CONTEXT_H
+#define PIPE_VIDEO_CONTEXT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <pipe/p_video_state.h>
+
+struct pipe_screen;
+struct pipe_buffer;
+struct pipe_surface;
+struct pipe_video_surface;
+struct pipe_macroblock;
+struct pipe_picture_desc;
+struct pipe_fence_handle;
+
+/**
+ * Gallium video rendering context
+ */
+struct pipe_video_context
+{
+ struct pipe_screen *screen;
+ enum pipe_video_profile profile;
+ enum pipe_video_chroma_format chroma_format;
+ unsigned width;
+ unsigned height;
+
+ void *priv; /**< context private data (for DRI for example) */
+
+ void (*destroy)(struct pipe_video_context *vpipe);
+
+ /**
+ * Picture decoding and displaying
+ */
+ /*@{*/
+ void (*decode_bitstream)(struct pipe_video_context *vpipe,
+ unsigned num_bufs,
+ struct pipe_buffer **bitstream_buf);
+
+ void (*decode_macroblocks)(struct pipe_video_context *vpipe,
+ struct pipe_video_surface *past,
+ struct pipe_video_surface *future,
+ unsigned num_macroblocks,
+ struct pipe_macroblock *macroblocks,
+ struct pipe_fence_handle **fence);
+
+ void (*clear_surface)(struct pipe_video_context *vpipe,
+ unsigned x, unsigned y,
+ unsigned width, unsigned height,
+ unsigned value,
+ struct pipe_surface *surface);
+
+ void (*render_picture)(struct pipe_video_context *vpipe,
+ /*struct pipe_surface *backround,
+ struct pipe_video_rect *backround_area,*/
+ struct pipe_video_surface *src_surface,
+ enum pipe_mpeg12_picture_type picture_type,
+ /*unsigned num_past_surfaces,
+ struct pipe_video_surface *past_surfaces,
+ unsigned num_future_surfaces,
+ struct pipe_video_surface *future_surfaces,*/
+ struct pipe_video_rect *src_area,
+ struct pipe_surface *dst_surface,
+ struct pipe_video_rect *dst_area,
+ /*unsigned num_layers,
+ struct pipe_texture *layers,
+ struct pipe_video_rect *layer_src_areas,
+ struct pipe_video_rect *layer_dst_areas,*/
+ struct pipe_fence_handle **fence);
+ /*@}*/
+
+ /**
+ * Parameter-like states (or properties)
+ */
+ /*@{*/
+ void (*set_picture_desc)(struct pipe_video_context *vpipe,
+ const struct pipe_picture_desc *desc);
+
+ void (*set_decode_target)(struct pipe_video_context *vpipe,
+ struct pipe_video_surface *dt);
+
+ /* TODO: Interface for CSC matrix, scaling modes, post-processing, etc. */
+ /*@}*/
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPE_VIDEO_CONTEXT_H */
--- /dev/null
+#ifndef PIPE_VIDEO_STATE_H
+#define PIPE_VIDEO_STATE_H
+
+/* u_reduce_video_profile() needs these */
+#include <assert.h>
+#include <pipe/p_compiler.h>
+
+#include <pipe/p_defines.h>
+#include <pipe/p_format.h>
+#include <pipe/p_refcnt.h>
+#include <pipe/p_screen.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct pipe_video_surface
+{
+ struct pipe_reference reference;
+ struct pipe_screen *screen;
+ enum pipe_video_chroma_format chroma_format;
+ /*enum pipe_video_surface_format surface_format;*/
+ unsigned width;
+ unsigned height;
+};
+
+static INLINE void
+pipe_video_surface_reference(struct pipe_video_surface **ptr, struct pipe_video_surface *surf)
+{
+ struct pipe_video_surface *old_surf = *ptr;
+
+ if (pipe_reference((struct pipe_reference **)ptr, &surf->reference))
+ old_surf->screen->video_surface_destroy(old_surf);
+}
+
+struct pipe_video_rect
+{
+ unsigned x, y, w, h;
+};
+
+static INLINE enum pipe_video_codec
+u_reduce_video_profile(enum pipe_video_profile profile)
+{
+ switch (profile)
+ {
+ case PIPE_VIDEO_PROFILE_MPEG1:
+ case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+ case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+ return PIPE_VIDEO_CODEC_MPEG12;
+
+ case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
+ case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
+ return PIPE_VIDEO_CODEC_MPEG4;
+
+ case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
+ case PIPE_VIDEO_PROFILE_VC1_MAIN:
+ case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
+ return PIPE_VIDEO_CODEC_VC1;
+
+ case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
+ case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
+ case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
+ return PIPE_VIDEO_CODEC_MPEG4_AVC;
+
+ default:
+ assert(false);
+ }
+
+ return -1;
+}
+
+enum pipe_mpeg12_picture_type
+{
+ PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP,
+ PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM,
+ PIPE_MPEG12_PICTURE_TYPE_FRAME
+};
+
+enum pipe_mpeg12_macroblock_type
+{
+ PIPE_MPEG12_MACROBLOCK_TYPE_INTRA,
+ PIPE_MPEG12_MACROBLOCK_TYPE_FWD,
+ PIPE_MPEG12_MACROBLOCK_TYPE_BKWD,
+ PIPE_MPEG12_MACROBLOCK_TYPE_BI,
+
+ PIPE_MPEG12_MACROBLOCK_NUM_TYPES
+};
+
+enum pipe_mpeg12_motion_type
+{
+ PIPE_MPEG12_MOTION_TYPE_FIELD,
+ PIPE_MPEG12_MOTION_TYPE_FRAME,
+ PIPE_MPEG12_MOTION_TYPE_DUALPRIME,
+ PIPE_MPEG12_MOTION_TYPE_16x8
+};
+
+enum pipe_mpeg12_dct_type
+{
+ PIPE_MPEG12_DCT_TYPE_FIELD,
+ PIPE_MPEG12_DCT_TYPE_FRAME
+};
+
+struct pipe_macroblock
+{
+ enum pipe_video_codec codec;
+};
+
+struct pipe_mpeg12_macroblock
+{
+ struct pipe_macroblock base;
+
+ unsigned mbx;
+ unsigned mby;
+ enum pipe_mpeg12_macroblock_type mb_type;
+ enum pipe_mpeg12_motion_type mo_type;
+ enum pipe_mpeg12_dct_type dct_type;
+ signed pmv[2][2][2];
+ unsigned cbp;
+ void *blocks;
+};
+
+#if 0
+struct pipe_picture_desc
+{
+ enum pipe_video_format format;
+};
+
+struct pipe_mpeg12_picture_desc
+{
+ struct pipe_picture_desc base;
+
+ /* TODO: Use bitfields where possible? */
+ struct pipe_surface *forward_reference;
+ struct pipe_surface *backward_reference;
+ unsigned picture_coding_type;
+ unsigned fcode;
+ unsigned intra_dc_precision;
+ unsigned picture_structure;
+ unsigned top_field_first;
+ unsigned frame_pred_frame_dct;
+ unsigned concealment_motion_vectors;
+ unsigned q_scale_type;
+ unsigned intra_vlc_format;
+ unsigned alternate_scan;
+ unsigned full_pel_forward_vector;
+ unsigned full_pel_backward_vector;
+ struct pipe_buffer *intra_quantizer_matrix;
+ struct pipe_buffer *non_intra_quantizer_matrix;
+ struct pipe_buffer *chroma_intra_quantizer_matrix;
+ struct pipe_buffer *chroma_non_intra_quantizer_matrix;
+};
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPE_VIDEO_STATE_H */
projects / mesa.git / commitdiff