#include <assert.h>
-#include <pipe/p_screen.h>
-#include <pipe/p_context.h>
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
-#include <util/u_draw.h>
-#include <util/u_sampler.h>
-#include <util/u_inlines.h>
+#include "util/u_draw.h"
+#include "util/u_sampler.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
-#include <tgsi/tgsi_ureg.h>
+#include "tgsi/tgsi_ureg.h"
-#include <vl/vl_defines.h>
-#include <vl/vl_types.h>
+#include "vl_defines.h"
+#include "vl_types.h"
#include "vl_zscan.h"
#include "vl_vertex_buffers.h"
enum VS_OUTPUT
{
- VS_O_VPOS,
- VS_O_VTEX
+ VS_O_VPOS = 0,
+ VS_O_VTEX = 0
+};
+
+const int vl_zscan_linear[] =
+{
+ /* Linear scan pattern */
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9,10,11,12,13,14,15,
+ 16,17,18,19,20,21,22,23,
+ 24,25,26,27,28,29,30,31,
+ 32,33,34,35,36,37,38,39,
+ 40,41,42,43,44,45,46,47,
+ 48,49,50,51,52,53,54,55,
+ 56,57,58,59,60,61,62,63
+};
+
+const int vl_zscan_normal[] =
+{
+ /* Zig-Zag scan pattern */
+ 0, 1, 8,16, 9, 2, 3,10,
+ 17,24,32,25,18,11, 4, 5,
+ 12,19,26,33,40,48,41,34,
+ 27,20,13, 6, 7,14,21,28,
+ 35,42,49,56,57,50,43,36,
+ 29,22,15,23,30,37,44,51,
+ 58,59,52,45,38,31,39,46,
+ 53,60,61,54,47,55,62,63
+};
+
+const int vl_zscan_alternate[] =
+{
+ /* Alternate scan pattern */
+ 0, 8,16,24, 1, 9, 2,10,
+ 17,25,32,40,48,56,57,49,
+ 41,33,26,18, 3,11, 4,12,
+ 19,27,34,42,50,58,35,43,
+ 51,59,20,28, 5,13, 6,14,
+ 21,29,36,44,52,60,37,45,
+ 53,61,22,30, 7,15,23,31,
+ 38,46,54,62,39,47,55,63
};
static void *
{
struct ureg_program *shader;
- struct ureg_src scale, instance;
- struct ureg_src vrect, vpos;
+ struct ureg_src scale;
+ struct ureg_src vrect, vpos, block_num;
struct ureg_dst tmp;
- struct ureg_dst o_vpos, o_vtex[zscan->num_channels];
+ struct ureg_dst o_vpos;
+ struct ureg_dst *o_vtex;
- unsigned i;
+ signed i;
shader = ureg_create(TGSI_PROCESSOR_VERTEX);
if (!shader)
return NULL;
- scale = ureg_imm2f(shader,
- (float)BLOCK_WIDTH / zscan->buffer_width,
- (float)BLOCK_HEIGHT / zscan->buffer_height);
+ o_vtex = MALLOC(zscan->num_channels * sizeof(struct ureg_dst));
- instance = ureg_DECL_system_value(shader, 0, TGSI_SEMANTIC_INSTANCEID, 0);
+ scale = ureg_imm2f(shader,
+ (float)VL_BLOCK_WIDTH / zscan->buffer_width,
+ (float)VL_BLOCK_HEIGHT / zscan->buffer_height);
vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
+ block_num = ureg_DECL_vs_input(shader, VS_I_BLOCK_NUM);
tmp = ureg_DECL_temporary(shader);
ureg_MUL(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(tmp), scale);
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));
- ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XZ), instance,
+ ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XW), ureg_scalar(block_num, TGSI_SWIZZLE_X),
ureg_imm1f(shader, 1.0f / zscan->blocks_per_line));
- ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_src(tmp));
- ureg_FLR(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Z), ureg_src(tmp));
+ ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X));
+ ureg_FLR(shader, ureg_writemask(tmp, TGSI_WRITEMASK_W), ureg_src(tmp));
for (i = 0; i < zscan->num_channels; ++i) {
- if (i > 0)
- ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_src(tmp),
- ureg_imm1f(shader, 1.0f / (zscan->blocks_per_line * BLOCK_WIDTH)));
+ ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y),
+ ureg_imm1f(shader, 1.0f / (zscan->blocks_per_line * VL_BLOCK_WIDTH)
+ * (i - (signed)zscan->num_channels / 2)));
ureg_MAD(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_X), vrect,
ureg_imm1f(shader, 1.0f / zscan->blocks_per_line), ureg_src(tmp));
ureg_MOV(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_Y), vrect);
- ureg_MUL(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_Z), ureg_src(tmp),
+ ureg_MOV(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_Z), vpos);
+ ureg_MUL(shader, ureg_writemask(o_vtex[i], TGSI_WRITEMASK_W), ureg_src(tmp),
ureg_imm1f(shader, (float)zscan->blocks_per_line / zscan->blocks_total));
}
ureg_release_temporary(shader, tmp);
ureg_END(shader);
+ FREE(o_vtex);
+
return ureg_create_shader_and_destroy(shader, zscan->pipe);
}
create_frag_shader(struct vl_zscan *zscan)
{
struct ureg_program *shader;
- struct ureg_src vtex[zscan->num_channels];
+ struct ureg_src *vtex;
- struct ureg_src src, scan, quant;
+ struct ureg_src samp_src, samp_scan, samp_quant;
- struct ureg_dst tmp[zscan->num_channels];
- struct ureg_dst fragment;
+ struct ureg_dst *tmp;
+ struct ureg_dst quant, fragment;
unsigned i;
if (!shader)
return NULL;
+ vtex = MALLOC(zscan->num_channels * sizeof(struct ureg_src));
+ tmp = MALLOC(zscan->num_channels * sizeof(struct ureg_dst));
+
for (i = 0; i < zscan->num_channels; ++i)
vtex[i] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTEX + i, TGSI_INTERPOLATE_LINEAR);
- src = ureg_DECL_sampler(shader, 0);
- scan = ureg_DECL_sampler(shader, 1);
- quant = ureg_DECL_sampler(shader, 2);
+ samp_src = ureg_DECL_sampler(shader, 0);
+ samp_scan = ureg_DECL_sampler(shader, 1);
+ samp_quant = ureg_DECL_sampler(shader, 2);
for (i = 0; i < zscan->num_channels; ++i)
tmp[i] = ureg_DECL_temporary(shader);
+ quant = ureg_DECL_temporary(shader);
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
* fragment = tex(tmp, 0) * quant
*/
for (i = 0; i < zscan->num_channels; ++i)
- ureg_TEX(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_X), TGSI_TEXTURE_2D, vtex[i], scan);
+ ureg_TEX(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_X), TGSI_TEXTURE_2D, vtex[i], samp_scan);
for (i = 0; i < zscan->num_channels; ++i)
- ureg_MOV(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_Y), ureg_scalar(vtex[i], TGSI_SWIZZLE_Z));
+ ureg_MOV(shader, ureg_writemask(tmp[i], TGSI_WRITEMASK_Y), ureg_scalar(vtex[i], TGSI_SWIZZLE_W));
- for (i = 0; i < zscan->num_channels; ++i)
- ureg_TEX(shader, tmp[i], TGSI_TEXTURE_2D, ureg_src(tmp[i]), src);
+ for (i = 0; i < zscan->num_channels; ++i) {
+ ureg_TEX(shader, ureg_writemask(tmp[0], TGSI_WRITEMASK_X << i), TGSI_TEXTURE_2D, ureg_src(tmp[i]), samp_src);
+ ureg_TEX(shader, ureg_writemask(quant, TGSI_WRITEMASK_X << i), TGSI_TEXTURE_3D, vtex[i], samp_quant);
+ }
- // TODO: Fetch quant and use it
- for (i = 0; i < zscan->num_channels; ++i)
- ureg_MUL(shader, ureg_writemask(fragment, TGSI_WRITEMASK_X << i), ureg_src(tmp[i]), ureg_imm1f(shader, 1.0f));
+ ureg_MUL(shader, quant, ureg_src(quant), ureg_imm1f(shader, 16.0f));
+ ureg_MUL(shader, fragment, ureg_src(tmp[0]), ureg_src(quant));
for (i = 0; i < zscan->num_channels; ++i)
ureg_release_temporary(shader, tmp[i]);
ureg_END(shader);
+ FREE(vtex);
+ FREE(tmp);
+
return ureg_create_shader_and_destroy(shader, zscan->pipe);
}
assert(zscan);
memset(&rs_state, 0, sizeof(rs_state));
- rs_state.gl_rasterization_rules = false;
+ rs_state.half_pixel_center = true;
+ rs_state.bottom_edge_rule = true;
+ rs_state.depth_clip = 1;
zscan->rs_state = zscan->pipe->create_rasterizer_state(zscan->pipe, &rs_state);
if (!zscan->rs_state)
goto error_rs_state;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_REPEAT;
sampler.wrap_t = PIPE_TEX_WRAP_REPEAT;
- sampler.wrap_r = PIPE_TEX_WRAP_REPEAT;
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
}
struct pipe_sampler_view *
-vl_zscan_linear(struct pipe_context *pipe, unsigned blocks_per_line)
+vl_zscan_layout(struct pipe_context *pipe, const int layout[64], unsigned blocks_per_line)
{
- const unsigned total_size = blocks_per_line * BLOCK_WIDTH * BLOCK_HEIGHT;
+ const unsigned total_size = blocks_per_line * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
+
+ int patched_layout[64];
struct pipe_resource res_tmpl, *res;
struct pipe_sampler_view sv_tmpl, *sv;
struct pipe_box rect =
{
0, 0, 0,
- BLOCK_WIDTH * blocks_per_line,
- BLOCK_HEIGHT,
+ VL_BLOCK_WIDTH * blocks_per_line,
+ VL_BLOCK_HEIGHT,
1
};
- assert(pipe && blocks_per_line);
+ assert(pipe && layout && blocks_per_line);
+
+ for (i = 0; i < 64; ++i)
+ patched_layout[layout[i]] = i;
memset(&res_tmpl, 0, sizeof(res_tmpl));
res_tmpl.target = PIPE_TEXTURE_2D;
res_tmpl.format = PIPE_FORMAT_R32_FLOAT;
- res_tmpl.width0 = BLOCK_WIDTH * blocks_per_line;
- res_tmpl.height0 = BLOCK_HEIGHT;
+ res_tmpl.width0 = VL_BLOCK_WIDTH * blocks_per_line;
+ res_tmpl.height0 = VL_BLOCK_HEIGHT;
res_tmpl.depth0 = 1;
res_tmpl.array_size = 1;
res_tmpl.usage = PIPE_USAGE_IMMUTABLE;
if (!res)
goto error_resource;
- buf_transfer = pipe->get_transfer
- (
- pipe, res,
- 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
- &rect
- );
- if (!buf_transfer)
- goto error_transfer;
-
- pitch = buf_transfer->stride / sizeof(float);
-
- f = pipe->transfer_map(pipe, buf_transfer);
+ f = pipe->transfer_map(pipe, res,
+ 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE,
+ &rect, &buf_transfer);
if (!f)
goto error_map;
+ pitch = buf_transfer->stride / sizeof(float);
+
for (i = 0; i < blocks_per_line; ++i)
- for (y = 0; y < BLOCK_HEIGHT; ++y)
- for (x = 0; x < BLOCK_WIDTH; ++x) {
- float addr = x + y * BLOCK_WIDTH +
- i * BLOCK_WIDTH * BLOCK_HEIGHT;
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ for (x = 0; x < VL_BLOCK_WIDTH; ++x) {
+ float addr = patched_layout[x + y * VL_BLOCK_WIDTH] +
+ i * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
addr /= total_size;
- f[i * BLOCK_WIDTH + y * pitch + x] = addr;
+ f[i * VL_BLOCK_WIDTH + y * pitch + x] = addr;
}
pipe->transfer_unmap(pipe, buf_transfer);
- pipe->transfer_destroy(pipe, buf_transfer);
memset(&sv_tmpl, 0, sizeof(sv_tmpl));
u_sampler_view_default_template(&sv_tmpl, res, res->format);
return sv;
error_map:
- pipe->transfer_destroy(pipe, buf_transfer);
-
-error_transfer:
pipe_resource_reference(&res, NULL);
error_resource:
return NULL;
}
-#if 0
-// TODO
-struct pipe_sampler_view *
-vl_zscan_normal(struct pipe_context *pipe, unsigned blocks_per_line);
-
-struct pipe_sampler_view *
-vl_zscan_alternate(struct pipe_context *pipe, unsigned blocks_per_line);
-#endif
-
bool
vl_zscan_init(struct vl_zscan *zscan, struct pipe_context *pipe,
unsigned buffer_width, unsigned buffer_height,
cleanup_state(zscan);
}
-void
-vl_zscan_set_layout(struct vl_zscan *zscan, struct pipe_sampler_view *layout)
-{
- assert(zscan);
- assert(layout);
-
- pipe_sampler_view_reference(&zscan->scan, layout);
-}
-
-#if 0
-// TODO
-void
-vl_zscan_upload_quant(struct vl_zscan *zscan, ...);
-#endif
-
bool
vl_zscan_init_buffer(struct vl_zscan *zscan, struct vl_zscan_buffer *buffer,
struct pipe_sampler_view *src, struct pipe_surface *dst)
{
+ struct pipe_resource res_tmpl, *res;
+ struct pipe_sampler_view sv_tmpl;
+
assert(zscan && buffer);
memset(buffer, 0, sizeof(struct vl_zscan_buffer));
- buffer->zscan = zscan;
-
pipe_sampler_view_reference(&buffer->src, src);
- pipe_sampler_view_reference(&buffer->scan, zscan->scan);
- pipe_sampler_view_reference(&buffer->quant, zscan->quant);
buffer->viewport.scale[0] = dst->width;
buffer->viewport.scale[1] = dst->height;
buffer->fb_state.nr_cbufs = 1;
pipe_surface_reference(&buffer->fb_state.cbufs[0], dst);
+ memset(&res_tmpl, 0, sizeof(res_tmpl));
+ res_tmpl.target = PIPE_TEXTURE_3D;
+ res_tmpl.format = PIPE_FORMAT_R8_UNORM;
+ res_tmpl.width0 = VL_BLOCK_WIDTH * zscan->blocks_per_line;
+ res_tmpl.height0 = VL_BLOCK_HEIGHT;
+ res_tmpl.depth0 = 2;
+ res_tmpl.array_size = 1;
+ res_tmpl.usage = PIPE_USAGE_IMMUTABLE;
+ res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW;
+
+ res = zscan->pipe->screen->resource_create(zscan->pipe->screen, &res_tmpl);
+ if (!res)
+ return false;
+
+ memset(&sv_tmpl, 0, sizeof(sv_tmpl));
+ u_sampler_view_default_template(&sv_tmpl, res, res->format);
+ sv_tmpl.swizzle_r = sv_tmpl.swizzle_g = sv_tmpl.swizzle_b = sv_tmpl.swizzle_a = TGSI_SWIZZLE_X;
+ buffer->quant = zscan->pipe->create_sampler_view(zscan->pipe, res, &sv_tmpl);
+ pipe_resource_reference(&res, NULL);
+ if (!buffer->quant)
+ return false;
+
return true;
}
assert(buffer);
pipe_sampler_view_reference(&buffer->src, NULL);
- pipe_sampler_view_reference(&buffer->scan, NULL);
+ pipe_sampler_view_reference(&buffer->layout, NULL);
pipe_sampler_view_reference(&buffer->quant, NULL);
pipe_surface_reference(&buffer->fb_state.cbufs[0], NULL);
}
void
-vl_zscan_render(struct vl_zscan_buffer *buffer, unsigned num_instances)
+vl_zscan_set_layout(struct vl_zscan_buffer *buffer, struct pipe_sampler_view *layout)
+{
+ assert(buffer);
+ assert(layout);
+
+ pipe_sampler_view_reference(&buffer->layout, layout);
+}
+
+void
+vl_zscan_upload_quant(struct vl_zscan *zscan, struct vl_zscan_buffer *buffer,
+ const uint8_t matrix[64], bool intra)
{
- struct vl_zscan *zscan;
+ struct pipe_context *pipe;
+ struct pipe_transfer *buf_transfer;
+ unsigned x, y, i, pitch;
+ uint8_t *data;
+
+ struct pipe_box rect =
+ {
+ 0, 0, intra ? 1 : 0,
+ VL_BLOCK_WIDTH,
+ VL_BLOCK_HEIGHT,
+ 1
+ };
assert(buffer);
+ assert(matrix);
+
+ pipe = zscan->pipe;
- zscan = buffer->zscan;
+ rect.width *= zscan->blocks_per_line;
+
+ data = pipe->transfer_map(pipe, buffer->quant->texture,
+ 0, PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_DISCARD_RANGE,
+ &rect, &buf_transfer);
+ if (!data)
+ return;
+
+ pitch = buf_transfer->stride;
+
+ for (i = 0; i < zscan->blocks_per_line; ++i)
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ for (x = 0; x < VL_BLOCK_WIDTH; ++x)
+ data[i * VL_BLOCK_WIDTH + y * pitch + x] = matrix[x + y * VL_BLOCK_WIDTH];
+
+ pipe->transfer_unmap(pipe, buf_transfer);
+}
+
+void
+vl_zscan_render(struct vl_zscan *zscan, struct vl_zscan_buffer *buffer, unsigned num_instances)
+{
+ assert(buffer);
zscan->pipe->bind_rasterizer_state(zscan->pipe, zscan->rs_state);
zscan->pipe->bind_blend_state(zscan->pipe, zscan->blend);
- zscan->pipe->bind_fragment_sampler_states(zscan->pipe, 2, zscan->samplers);
+ zscan->pipe->bind_fragment_sampler_states(zscan->pipe, 3, zscan->samplers);
zscan->pipe->set_framebuffer_state(zscan->pipe, &buffer->fb_state);
zscan->pipe->set_viewport_state(zscan->pipe, &buffer->viewport);
- zscan->pipe->set_fragment_sampler_views(zscan->pipe, 2, &buffer->src);
+ zscan->pipe->set_fragment_sampler_views(zscan->pipe, 3, &buffer->src);
zscan->pipe->bind_vs_state(zscan->pipe, zscan->vs);
zscan->pipe->bind_fs_state(zscan->pipe, zscan->fs);
util_draw_arrays_instanced(zscan->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
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