#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>
{
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;
signed i;
if (!shader)
return NULL;
+ o_vtex = MALLOC(zscan->num_channels * sizeof(struct ureg_dst));
+
scale = ureg_imm2f(shader,
(float)BLOCK_WIDTH / zscan->buffer_width,
(float)BLOCK_HEIGHT / zscan->buffer_height);
- instance = ureg_DECL_system_value(shader, 0, TGSI_SEMANTIC_INSTANCEID, 0);
-
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), ureg_scalar(instance, TGSI_SWIZZLE_X),
+ 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_Y), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X));
- ureg_FLR(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Z), ureg_src(tmp));
+ ureg_FLR(shader, ureg_writemask(tmp, TGSI_WRITEMASK_W), ureg_src(tmp));
for (i = 0; i < zscan->num_channels; ++i) {
ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y),
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);
}
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;
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);
}
-#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->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 = BLOCK_WIDTH * zscan->blocks_per_line;
+ res_tmpl.height0 = 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;
}
pipe_sampler_view_reference(&buffer->layout, layout);
}
+void
+vl_zscan_upload_quant(struct vl_zscan_buffer *buffer, const uint8_t matrix[64], bool intra)
+{
+ 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,
+ BLOCK_WIDTH,
+ BLOCK_HEIGHT,
+ 1
+ };
+
+ assert(buffer);
+ assert(matrix);
+
+ pipe = buffer->zscan->pipe;
+
+ rect.width *= buffer->zscan->blocks_per_line;
+
+ buf_transfer = pipe->get_transfer
+ (
+ pipe, buffer->quant->texture,
+ 0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
+ &rect
+ );
+ if (!buf_transfer)
+ goto error_transfer;
+
+ pitch = buf_transfer->stride;
+
+ data = pipe->transfer_map(pipe, buf_transfer);
+ if (!data)
+ goto error_map;
+
+ for (i = 0; i < buffer->zscan->blocks_per_line; ++i)
+ for (y = 0; y < BLOCK_HEIGHT; ++y)
+ for (x = 0; x < BLOCK_WIDTH; ++x)
+ data[i * BLOCK_WIDTH + y * pitch + x] = matrix[x + y * BLOCK_WIDTH];
+
+ pipe->transfer_unmap(pipe, buf_transfer);
+
+error_map:
+ pipe->transfer_destroy(pipe, buf_transfer);
+
+error_transfer:
+ return;
+}
+
void
vl_zscan_render(struct vl_zscan_buffer *buffer, unsigned num_instances)
{
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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