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-rw-r--r--src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c2344
1 files changed, 2344 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c
new file mode 100644
index 0000000000..3272220ef8
--- /dev/null
+++ b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c
@@ -0,0 +1,2344 @@
+#define VL_INTERNAL
+#include "vl_r16snorm_mc.h"
+#include <assert.h>
+#include <stdlib.h>
+#include <pipe/p_context.h>
+#include <pipe/p_winsys.h>
+#include <pipe/p_state.h>
+#include <pipe/p_inlines.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+#include "vl_render.h"
+#include "vl_shader_build.h"
+#include "vl_surface.h"
+#include "vl_util.h"
+#include "vl_types.h"
+#include "vl_defs.h"
+
+#define NUM_BUFS 4 /* Number of rotating buffers to use */
+
+struct vlVertexShaderConsts
+{
+ /*struct vlVertex4f scale;
+ struct vlVertex4f denorm;*/
+ struct vlVertex4f scale;
+ struct vlVertex4f mb_pos_trans;
+ struct vlVertex4f denorm;
+ struct
+ {
+ struct vlVertex4f top_field;
+ struct vlVertex4f bottom_field;
+ } mb_tc_trans[2];
+};
+
+struct vlFragmentShaderConsts
+{
+ struct vlVertex4f multiplier;
+ struct vlVertex4f div;
+};
+
+struct vlR16SnormMC
+{
+ struct vlRender base;
+
+ unsigned int video_width, video_height;
+ enum vlFormat video_format;
+ unsigned int cur_buf;
+
+ struct pipe_context *pipe;
+ struct pipe_viewport_state viewport;
+ struct pipe_framebuffer_state render_target;
+ struct pipe_sampler_state *samplers[5];
+ struct pipe_texture *textures[NUM_BUFS][5];
+ void *i_vs, *p_vs[2], *b_vs[2];
+ void *i_fs, *p_fs[2], *b_fs[2];
+ struct pipe_vertex_buffer vertex_bufs[3];
+ struct pipe_vertex_element vertex_elems[3];
+ struct pipe_constant_buffer vs_const_buf, fs_const_buf;
+};
+
+static int vlBegin
+(
+ struct vlRender *render
+)
+{
+ struct vlR16SnormMC *mc;
+ struct pipe_context *pipe;
+
+ assert(render);
+
+ mc = (struct vlR16SnormMC*)render;
+ pipe = mc->pipe;
+
+ /* Frame buffer set in vlRender*Macroblock() */
+ /* Shaders, samplers, textures set in vlRender*Macroblock() */
+ pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs);
+ pipe->set_vertex_elements(pipe, 3, mc->vertex_elems);
+ pipe->set_viewport_state(pipe, &mc->viewport);
+ pipe->set_constant_buffer(pipe, PIPE_SHADER_VERTEX, 0, &mc->vs_const_buf);
+ pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &mc->fs_const_buf);
+
+ return 0;
+}
+
+/*static int vlGrabMacroBlock
+(
+ struct vlR16SnormMC *mc,
+ struct vlMpeg2MacroBlock *macroblock
+)
+{
+ assert(mc);
+ assert(macroblock);
+
+
+
+ return 0;
+}*/
+
+/*#define DO_IDCT*/
+
+#ifdef DO_IDCT
+static int vlTransformBlock(short *src, short *dst, short bias)
+{
+ static const float basis[8][8] =
+ {
+ {0.3536, 0.4904, 0.4619, 0.4157, 0.3536, 0.2778, 0.1913, 0.0975},
+ {0.3536, 0.4157, 0.1913, -0.0975, -0.3536, -0.4904, -0.4619, -0.2778},
+ {0.3536, 0.2778, -0.1913, -0.4904, -0.3536, 0.0975, 0.4619, 0.4157},
+ {0.3536, 0.0975, -0.4619, -0.2778, 0.3536, 0.4157, -0.1913, -0.4904},
+ {0.3536, -0.0975, -0.4619, 0.2778, 0.3536, -0.4157, -0.1913, 0.4904},
+ {0.3536, -0.2778, -0.1913, 0.4904, -0.3536, -0.0975, 0.4619, -0.4157},
+ {0.3536, -0.4157, 0.1913, 0.0975, -0.3536, 0.4904, -0.4619, 0.2778},
+ {0.3536, -0.4904, 0.4619, -0.4157, 0.3536, -0.2778, 0.1913, -0.0975}
+ };
+
+ unsigned int x, y;
+ short tmp[64];
+
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ for (x = 0; x < VL_BLOCK_WIDTH; ++x)
+ tmp[y * VL_BLOCK_WIDTH + x] = (short)
+ (
+ src[y * VL_BLOCK_WIDTH + 0] * basis[x][0] +
+ src[y * VL_BLOCK_WIDTH + 1] * basis[x][1] +
+ src[y * VL_BLOCK_WIDTH + 2] * basis[x][2] +
+ src[y * VL_BLOCK_WIDTH + 3] * basis[x][3] +
+ src[y * VL_BLOCK_WIDTH + 4] * basis[x][4] +
+ src[y * VL_BLOCK_WIDTH + 5] * basis[x][5] +
+ src[y * VL_BLOCK_WIDTH + 6] * basis[x][6] +
+ src[y * VL_BLOCK_WIDTH + 7] * basis[x][7]
+ );
+
+ for (x = 0; x < VL_BLOCK_WIDTH; ++x)
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ {
+ dst[y * VL_BLOCK_WIDTH + x] = bias + (short)
+ (
+ tmp[0 * VL_BLOCK_WIDTH + x] * basis[y][0] +
+ tmp[1 * VL_BLOCK_WIDTH + x] * basis[y][1] +
+ tmp[2 * VL_BLOCK_WIDTH + x] * basis[y][2] +
+ tmp[3 * VL_BLOCK_WIDTH + x] * basis[y][3] +
+ tmp[4 * VL_BLOCK_WIDTH + x] * basis[y][4] +
+ tmp[5 * VL_BLOCK_WIDTH + x] * basis[y][5] +
+ tmp[6 * VL_BLOCK_WIDTH + x] * basis[y][6] +
+ tmp[7 * VL_BLOCK_WIDTH + x] * basis[y][7]
+ );
+ if (dst[y * VL_BLOCK_WIDTH + x] > 255)
+ dst[y * VL_BLOCK_WIDTH + x] = 255;
+ else if (bias > 0 && dst[y * VL_BLOCK_WIDTH + x] < 0)
+ dst[y * VL_BLOCK_WIDTH + x] = 0;
+ }
+ return 0;
+}
+#endif
+
+static int vlGrabFrameCodedBlock(short *src, short *dst, unsigned int dst_pitch)
+{
+ unsigned int y;
+
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ memcpy
+ (
+ dst + y * dst_pitch,
+ src + y * VL_BLOCK_WIDTH,
+ VL_BLOCK_WIDTH * 2
+ );
+
+ return 0;
+}
+
+static int vlGrabFieldCodedBlock(short *src, short *dst, unsigned int dst_pitch)
+{
+ unsigned int y;
+
+ for (y = 0; y < VL_BLOCK_HEIGHT / 2; ++y)
+ memcpy
+ (
+ dst + y * dst_pitch * 2,
+ src + y * VL_BLOCK_WIDTH,
+ VL_BLOCK_WIDTH * 2
+ );
+
+ dst += VL_BLOCK_HEIGHT * dst_pitch;
+
+ for (; y < VL_BLOCK_HEIGHT; ++y)
+ memcpy
+ (
+ dst + y * dst_pitch * 2,
+ src + y * VL_BLOCK_WIDTH,
+ VL_BLOCK_WIDTH * 2
+ );
+
+ return 0;
+}
+
+static int vlGrabNoBlock(short *dst, unsigned int dst_pitch)
+{
+ unsigned int y;
+
+ for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
+ memset
+ (
+ dst + y * dst_pitch,
+ 0,
+ VL_BLOCK_WIDTH * 2
+ );
+
+ return 0;
+}
+
+enum vlSampleType
+{
+ vlSampleTypeFull,
+ vlSampleTypeDiff
+};
+
+static int vlGrabBlocks
+(
+ struct vlR16SnormMC *mc,
+ unsigned int coded_block_pattern,
+ enum vlDCTType dct_type,
+ enum vlSampleType sample_type,
+ short *blocks
+)
+{
+ struct pipe_surface *tex_surface;
+ short *texels;
+ unsigned int tex_pitch;
+ unsigned int tb, sb = 0;
+
+ assert(mc);
+ assert(blocks);
+
+ tex_surface = mc->pipe->screen->get_tex_surface
+ (
+ mc->pipe->screen,
+ mc->textures[mc->cur_buf % NUM_BUFS][0],
+ 0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
+ );
+
+ texels = pipe_surface_map(tex_surface, PIPE_BUFFER_USAGE_CPU_WRITE);
+ tex_pitch = tex_surface->stride / tex_surface->block.size;
+
+ for (tb = 0; tb < 4; ++tb)
+ {
+ if ((coded_block_pattern >> (5 - tb)) & 1)
+ {
+ short *cur_block = blocks + sb * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
+
+#ifdef DO_IDCT
+ vlTransformBlock(cur_block, cur_block, sample_type == vlSampleTypeFull ? 128 : 0);
+#endif
+
+ if (dct_type == vlDCTTypeFrameCoded)
+ vlGrabFrameCodedBlock
+ (
+ cur_block,
+ texels + tb * tex_pitch * VL_BLOCK_HEIGHT,
+ tex_pitch
+ );
+ else
+ vlGrabFieldCodedBlock
+ (
+ cur_block,
+ texels + (tb % 2) * tex_pitch * VL_BLOCK_HEIGHT + (tb / 2) * tex_pitch,
+ tex_pitch
+ );
+
+ ++sb;
+ }
+ else
+ vlGrabNoBlock(texels + tb * tex_pitch * VL_BLOCK_HEIGHT, tex_pitch);
+ }
+
+ pipe_surface_unmap(tex_surface);
+
+ /* TODO: Implement 422, 444 */
+ for (tb = 0; tb < 2; ++tb)
+ {
+ tex_surface = mc->pipe->screen->get_tex_surface
+ (
+ mc->pipe->screen,
+ mc->textures[mc->cur_buf % NUM_BUFS][tb + 1],
+ 0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
+ );
+
+ texels = pipe_surface_map(tex_surface, PIPE_BUFFER_USAGE_CPU_WRITE);
+ tex_pitch = tex_surface->stride / tex_surface->block.size;
+
+ if ((coded_block_pattern >> (1 - tb)) & 1)
+ {
+ short *cur_block = blocks + sb * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
+
+#ifdef DO_IDCT
+ vlTransformBlock(cur_block, cur_block, sample_type == vlSampleTypeFull ? 128 : 0);
+#endif
+
+ vlGrabFrameCodedBlock
+ (
+ cur_block,
+ texels,
+ tex_pitch
+ );
+
+ ++sb;
+ }
+ else
+ vlGrabNoBlock(texels, tex_pitch);
+
+ pipe_surface_unmap(tex_surface);
+ }
+
+ return 0;
+}
+
+static int vlRenderIMacroBlock
+(
+ struct vlR16SnormMC *mc,
+ enum vlPictureType picture_type,
+ enum vlFieldOrder field_order,
+ unsigned int mbx,
+ unsigned int mby,
+ unsigned int coded_block_pattern,
+ enum vlDCTType dct_type,
+ short *blocks,
+ struct vlSurface *surface
+)
+{
+ struct pipe_context *pipe;
+ struct vlVertexShaderConsts *vs_consts;
+
+ assert(blocks);
+ assert(surface);
+
+ /* TODO: Implement interlaced rendering */
+ if (picture_type != vlPictureTypeFrame)
+ return 0;
+
+ vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeFull, blocks);
+
+ pipe = mc->pipe;
+
+ vs_consts = pipe->winsys->buffer_map
+ (
+ pipe->winsys,
+ mc->vs_const_buf.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE
+ );
+
+ vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
+ vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
+ vs_consts->scale.z = 1.0f;
+ vs_consts->scale.w = 1.0f;
+ vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
+ vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
+ vs_consts->mb_pos_trans.z = 0.0f;
+ vs_consts->mb_pos_trans.w = 0.0f;
+
+ pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
+
+ mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
+ (
+ pipe->screen,
+ surface->texture,
+ 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
+ );
+ pipe->set_framebuffer_state(pipe, &mc->render_target);
+ pipe->set_sampler_textures(pipe, 3, mc->textures[mc->cur_buf % NUM_BUFS]);
+ pipe->bind_sampler_states(pipe, 3, (void**)mc->samplers);
+ pipe->bind_vs_state(pipe, mc->i_vs);
+ pipe->bind_fs_state(pipe, mc->i_fs);
+
+ pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
+
+ mc->cur_buf++;
+
+ return 0;
+}
+
+static int vlRenderPMacroBlock
+(
+ struct vlR16SnormMC *mc,
+ enum vlPictureType picture_type,
+ enum vlFieldOrder field_order,
+ unsigned int mbx,
+ unsigned int mby,
+ enum vlMotionType mc_type,
+ short top_x,
+ short top_y,
+ short bottom_x,
+ short bottom_y,
+ unsigned int coded_block_pattern,
+ enum vlDCTType dct_type,
+ short *blocks,
+ struct vlSurface *ref_surface,
+ struct vlSurface *surface
+)
+{
+ struct pipe_context *pipe;
+ struct vlVertexShaderConsts *vs_consts;
+
+ assert(motion_vectors);
+ assert(blocks);
+ assert(ref_surface);
+ assert(surface);
+
+ /* TODO: Implement interlaced rendering */
+ if (picture_type != vlPictureTypeFrame)
+ return 0;
+ /* TODO: Implement other MC types */
+ if (mc_type != vlMotionTypeFrame && mc_type != vlMotionTypeField)
+ return 0;
+
+ vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeDiff, blocks);
+
+ pipe = mc->pipe;
+
+ vs_consts = pipe->winsys->buffer_map
+ (
+ pipe->winsys,
+ mc->vs_const_buf.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE
+ );
+
+ vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
+ vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
+ vs_consts->scale.z = 1.0f;
+ vs_consts->scale.w = 1.0f;
+ vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
+ vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
+ vs_consts->mb_pos_trans.z = 0.0f;
+ vs_consts->mb_pos_trans.w = 0.0f;
+ vs_consts->mb_tc_trans[0].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[0].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[0].top_field.z = 0.0f;
+ vs_consts->mb_tc_trans[0].top_field.w = 0.0f;
+
+ if (mc_type == vlMotionTypeField)
+ {
+ vs_consts->denorm.x = (float)surface->texture->width[0];
+ vs_consts->denorm.y = (float)surface->texture->height[0];
+
+ vs_consts->mb_tc_trans[0].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[0].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[0].bottom_field.z = 0.0f;
+ vs_consts->mb_tc_trans[0].bottom_field.w = 0.0f;
+
+ pipe->bind_vs_state(pipe, mc->p_vs[1]);
+ pipe->bind_fs_state(pipe, mc->p_fs[1]);
+ }
+ else
+ {
+ pipe->bind_vs_state(pipe, mc->p_vs[0]);
+ pipe->bind_fs_state(pipe, mc->p_fs[0]);
+ }
+
+ pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
+
+ mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
+ (
+ pipe->screen,
+ surface->texture,
+ 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
+ );
+ pipe->set_framebuffer_state(pipe, &mc->render_target);
+
+ mc->textures[mc->cur_buf % NUM_BUFS][3] = ref_surface->texture;
+ pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUFS]);
+ pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
+
+ pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
+
+ mc->cur_buf++;
+
+ return 0;
+}
+
+static int vlRenderBMacroBlock
+(
+ struct vlR16SnormMC *mc,
+ enum vlPictureType picture_type,
+ enum vlFieldOrder field_order,
+ unsigned int mbx,
+ unsigned int mby,
+ enum vlMotionType mc_type,
+ short top_past_x,
+ short top_past_y,
+ short bottom_past_x,
+ short bottom_past_y,
+ short top_future_x,
+ short top_future_y,
+ short bottom_future_x,
+ short bottom_future_y,
+ unsigned int coded_block_pattern,
+ enum vlDCTType dct_type,
+ short *blocks,
+ struct vlSurface *past_surface,
+ struct vlSurface *future_surface,
+ struct vlSurface *surface
+)
+{
+ struct pipe_context *pipe;
+ struct vlVertexShaderConsts *vs_consts;
+
+ assert(motion_vectors);
+ assert(blocks);
+ assert(ref_surface);
+ assert(surface);
+
+ /* TODO: Implement interlaced rendering */
+ if (picture_type != vlPictureTypeFrame)
+ return 0;
+ /* TODO: Implement other MC types */
+ if (mc_type != vlMotionTypeFrame && mc_type != vlMotionTypeField)
+ return 0;
+
+ vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeDiff, blocks);
+
+ pipe = mc->pipe;
+
+ vs_consts = pipe->winsys->buffer_map
+ (
+ pipe->winsys,
+ mc->vs_const_buf.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE
+ );
+
+ vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
+ vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
+ vs_consts->scale.z = 1.0f;
+ vs_consts->scale.w = 1.0f;
+ vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
+ vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
+ vs_consts->mb_pos_trans.z = 0.0f;
+ vs_consts->mb_pos_trans.w = 0.0f;
+ vs_consts->mb_tc_trans[0].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_past_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[0].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_past_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[0].top_field.z = 0.0f;
+ vs_consts->mb_tc_trans[0].top_field.w = 0.0f;
+ vs_consts->mb_tc_trans[1].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_future_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[1].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_future_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[1].top_field.z = 0.0f;
+ vs_consts->mb_tc_trans[1].top_field.w = 0.0f;
+
+ if (mc_type == vlMotionTypeField)
+ {
+ vs_consts->denorm.x = (float)surface->texture->width[0];
+ vs_consts->denorm.y = (float)surface->texture->height[0];
+
+ vs_consts->mb_tc_trans[0].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_past_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[0].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_past_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[0].bottom_field.z = 0.0f;
+ vs_consts->mb_tc_trans[0].bottom_field.w = 0.0f;
+ vs_consts->mb_tc_trans[1].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_future_x * 0.5f) / (float)surface->texture->width[0];
+ vs_consts->mb_tc_trans[1].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_future_y * 0.5f) / (float)surface->texture->height[0];
+ vs_consts->mb_tc_trans[1].bottom_field.z = 0.0f;
+ vs_consts->mb_tc_trans[1].bottom_field.w = 0.0f;
+
+ pipe->bind_vs_state(pipe, mc->b_vs[1]);
+ pipe->bind_fs_state(pipe, mc->b_fs[1]);
+ }
+ else
+ {
+ pipe->bind_vs_state(pipe, mc->b_vs[0]);
+ pipe->bind_fs_state(pipe, mc->b_fs[0]);
+ }
+
+ pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
+
+ mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
+ (
+ pipe->screen,
+ surface->texture,
+ 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
+ );
+ pipe->set_framebuffer_state(pipe, &mc->render_target);
+
+ mc->textures[mc->cur_buf % NUM_BUFS][3] = past_surface->texture;
+ mc->textures[mc->cur_buf % NUM_BUFS][4] = future_surface->texture;
+ pipe->set_sampler_textures(pipe, 5, mc->textures[mc->cur_buf % NUM_BUFS]);
+ pipe->bind_sampler_states(pipe, 5, (void**)mc->samplers);
+
+ pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
+
+ mc->cur_buf++;
+
+ return 0;
+}
+
+static int vlRenderMacroBlocksMpeg2R16Snorm
+(
+ struct vlRender *render,
+ struct vlMpeg2MacroBlockBatch *batch,
+ struct vlSurface *surface
+)
+{
+ struct vlR16SnormMC *mc;
+ unsigned int i;
+
+ assert(render);
+
+ mc = (struct vlR16SnormMC*)render;
+
+ /*for (i = 0; i < batch->num_macroblocks; ++i)
+ vlGrabMacroBlock(batch->macroblocks[i]);*/
+
+ for (i = 0; i < batch->num_macroblocks; ++i)
+ {
+ switch (batch->macroblocks[i].mb_type)
+ {
+ case vlMacroBlockTypeIntra:
+ {
+ vlRenderIMacroBlock
+ (
+ mc,
+ batch->picture_type,
+ batch->field_order,
+ batch->macroblocks[i].mbx,
+ batch->macroblocks[i].mby,
+ batch->macroblocks[i].cbp,
+ batch->macroblocks[i].dct_type,
+ batch->macroblocks[i].blocks,
+ surface
+ );
+ break;
+ }
+ case vlMacroBlockTypeFwdPredicted:
+ {
+ vlRenderPMacroBlock
+ (
+ mc,
+ batch->picture_type,
+ batch->field_order,
+ batch->macroblocks[i].mbx,
+ batch->macroblocks[i].mby,
+ batch->macroblocks[i].mo_type,
+ batch->macroblocks[i].PMV[0][0][0],
+ batch->macroblocks[i].PMV[0][0][1],
+ batch->macroblocks[i].PMV[1][0][0],
+ batch->macroblocks[i].PMV[1][0][1],
+ batch->macroblocks[i].cbp,
+ batch->macroblocks[i].dct_type,
+ batch->macroblocks[i].blocks,
+ batch->past_surface,
+ surface
+ );
+ break;
+ }
+ case vlMacroBlockTypeBkwdPredicted:
+ {
+ vlRenderPMacroBlock
+ (
+ mc,
+ batch->picture_type,
+ batch->field_order,
+ batch->macroblocks[i].mbx,
+ batch->macroblocks[i].mby,
+ batch->macroblocks[i].mo_type,
+ batch->macroblocks[i].PMV[0][1][0],
+ batch->macroblocks[i].PMV[0][1][1],
+ batch->macroblocks[i].PMV[1][1][0],
+ batch->macroblocks[i].PMV[1][1][1],
+ batch->macroblocks[i].cbp,
+ batch->macroblocks[i].dct_type,
+ batch->macroblocks[i].blocks,
+ batch->future_surface,
+ surface
+ );
+ break;
+ }
+ case vlMacroBlockTypeBiPredicted:
+ {
+ vlRenderBMacroBlock
+ (
+ mc,
+ batch->picture_type,
+ batch->field_order,
+ batch->macroblocks[i].mbx,
+ batch->macroblocks[i].mby,
+ batch->macroblocks[i].mo_type,
+ batch->macroblocks[i].PMV[0][0][0],
+ batch->macroblocks[i].PMV[0][0][1],
+ batch->macroblocks[i].PMV[1][0][0],
+ batch->macroblocks[i].PMV[1][0][1],
+ batch->macroblocks[i].PMV[0][1][0],
+ batch->macroblocks[i].PMV[0][1][1],
+ batch->macroblocks[i].PMV[1][1][0],
+ batch->macroblocks[i].PMV[1][1][1],
+ batch->macroblocks[i].cbp,
+ batch->macroblocks[i].dct_type,
+ batch->macroblocks[i].blocks,
+ batch->past_surface,
+ batch->future_surface,
+ surface
+ );
+ break;
+ }
+ default:
+ assert(0);
+ }
+ }
+
+ return 0;
+}
+
+static int vlEnd
+(
+ struct vlRender *render
+)
+{
+ assert(render);
+
+ return 0;
+}
+
+static int vlFlush
+(
+ struct vlRender *render
+)
+{
+ assert(render);
+
+ return 0;
+}
+
+static int vlDestroy
+(
+ struct vlRender *render
+)
+{
+ struct vlR16SnormMC *mc;
+ struct pipe_context *pipe;
+ unsigned int i;
+
+ assert(render);
+
+ mc = (struct vlR16SnormMC*)render;
+ pipe = mc->pipe;
+
+ for (i = 0; i < 5; ++i)
+ pipe->delete_sampler_state(pipe, mc->samplers[i]);
+
+ for (i = 0; i < 3; ++i)
+ pipe->winsys->buffer_destroy(pipe->winsys, mc->vertex_bufs[i].buffer);
+
+ /* Textures 3 & 4 are not created directly, no need to release them here */
+ for (i = 0; i < NUM_BUFS; ++i)
+ {
+ pipe_texture_release(&mc->textures[i][0]);
+ pipe_texture_release(&mc->textures[i][1]);
+ pipe_texture_release(&mc->textures[i][2]);
+ }
+
+ pipe->delete_vs_state(pipe, mc->i_vs);
+ pipe->delete_fs_state(pipe, mc->i_fs);
+
+ for (i = 0; i < 2; ++i)
+ {
+ pipe->delete_vs_state(pipe, mc->p_vs[i]);
+ pipe->delete_fs_state(pipe, mc->p_fs[i]);
+ pipe->delete_vs_state(pipe, mc->b_vs[i]);
+ pipe->delete_fs_state(pipe, mc->b_fs[i]);
+ }
+
+ pipe->winsys->buffer_destroy(pipe->winsys, mc->vs_const_buf.buffer);
+ pipe->winsys->buffer_destroy(pipe->winsys, mc->fs_const_buf.buffer);
+
+ free(mc);
+
+ return 0;
+}
+
+/*
+ * Represents 8 triangles (4 quads, 1 per block) in noormalized coords
+ * that render a macroblock.
+ * Need to be scaled to cover mbW*mbH macroblock pixels and translated into
+ * position on target surface.
+ */
+static const struct vlVertex2f macroblock_verts[24] =
+{
+ {0.0f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.0f},
+ {0.5f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.5f},
+
+ {0.5f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.0f},
+ {1.0f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.5f},
+
+ {0.0f, 0.5f}, {0.0f, 1.0f}, {0.5f, 0.5f},
+ {0.5f, 0.5f}, {0.0f, 1.0f}, {0.5f, 1.0f},
+
+ {0.5f, 0.5f}, {0.5f, 1.0f}, {1.0f, 0.5f},
+ {1.0f, 0.5f}, {0.5f, 1.0f}, {1.0f, 1.0f}
+};
+
+/*
+ * Represents texcoords for the above for rendering 4 luma blocks arranged
+ * in a bW*(bH*4) texture. First luma block located at 0,0->bW,bH; second at
+ * 0,bH->bW,2bH; third at 0,2bH->bW,3bH; fourth at 0,3bH->bW,4bH.
+ */
+static const struct vlVertex2f macroblock_luma_texcoords[24] =
+{
+ {0.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.0f},
+ {1.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.25f},
+
+ {0.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.25f},
+ {1.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.5f},
+
+ {0.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.5f},
+ {1.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.75f},
+
+ {0.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 0.75f},
+ {1.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 1.0f}
+};
+
+/*
+ * Represents texcoords for the above for rendering 1 chroma block.
+ * Straight forward 0,0->1,1 mapping so we can reuse the MB pos vectors.
+ */
+static const struct vlVertex2f *macroblock_chroma_420_texcoords = macroblock_verts;
+
+/*
+ * Represents texcoords for the above for rendering 2 chroma blocks arranged
+ * in a bW*(bH*2) texture. First chroma block located at 0,0->bW,bH; second at
+ * 0,bH->bW,2bH. We can render this with 0,0->1,1 mapping.
+ * Straight forward 0,0->1,1 mapping so we can reuse MB pos vectors.
+ */
+static const struct vlVertex2f *macroblock_chroma_422_texcoords = macroblock_verts;
+
+/*
+ * Represents texcoords for the above for rendering 4 chroma blocks.
+ * Same case as 4 luma blocks.
+ */
+static const struct vlVertex2f *macroblock_chroma_444_texcoords = macroblock_luma_texcoords;
+
+/*
+ * Used when rendering P and B macroblocks, multiplier is applied to the A channel,
+ * which is then added to the L channel, then the bias is subtracted from that to
+ * get back the differential. The differential is then added to the samples from the
+ * reference surface(s).
+ */
+static const struct vlFragmentShaderConsts fs_consts =
+{
+ {32767.0f / 255.0f, 32767.0f / 255.0f, 32767.0f / 255.0f, 0.0f},
+ {0.5f, 2.0f, 0.0f, 0.0f}
+};
+
+static int vlCreateVertexShaderIMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 50;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(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 texcoords
+ */
+ for (i = 0; i < 3; 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 unit rect to macroblock size
+ * decl c1 ; Translation vector to move macroblock into position
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma texcoords
+ */
+ for (i = 0; i < 3; 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 */
+ decl = vl_decl_temps(0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t0, i0, c0 ; Scale unit rect to normalized MB size */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add o0, t0, c1 ; Translate rect into position */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma texcoords to output
+ */
+ for (i = 1; i < 3; ++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);
+
+ vs.tokens = tokens;
+ mc->i_vs = pipe->create_vs_state(pipe, &vs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateFragmentShaderIMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Texcoords for s0
+ * decl i1 ; Texcoords for s1, s2
+ */
+ for (i = 0; i < 2; ++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 (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, i1, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, 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);
+
+ fs.tokens = tokens;
+ mc->i_fs = pipe->create_fs_state(pipe, &fs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateVertexShaderFramePMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(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 texcoords
+ */
+ for (i = 0; i < 3; 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 unit rect to macroblock size
+ * decl c1 ; Translation vector to move macroblock into position
+ * decl c2 ; Unused
+ * decl c3 ; Translation vector to move ref macroblock texcoords 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 ; Luma texcoords
+ * decl o2 ; Chroma texcoords
+ * decl o3 ; Ref macroblock texcoords
+ */
+ for (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);
+ }
+
+ /* decl t0 */
+ decl = vl_decl_temps(0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t0, i0, c0 ; Scale unit rect to normalized MB size */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add o0, t0, c1 ; Translate rect into position */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma texcoords to output
+ */
+ for (i = 1; i < 3; ++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 o3, t0, c3 ; Translate rect into position on ref macroblock */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 3);
+ 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);
+
+ vs.tokens = tokens;
+ mc->p_vs[0] = pipe->create_vs_state(pipe, &vs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateVertexShaderFieldPMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(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 texcoords
+ */
+ for (i = 0; i < 3; 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 unit rect to macroblock size
+ * decl c1 ; Translation vector to move macroblock into position
+ * decl c2 ; Denorm coefficients
+ * decl c3 ; Translation vector to move top field ref macroblock texcoords into position
+ * decl c4 ; Translation vector to move bottom field ref macroblock texcoords into position
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 4);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma texcoords
+ * decl o3 ; Top field ref macroblock texcoords
+ * decl o4 ; Bottom field ref macroblock texcoords
+ * decl o5 ; Denormalized vertex pos
+ */
+ for (i = 0; i < 6; i++)
+ {
+ decl = vl_decl_output((i == 0 || i == 5) ? 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);
+
+ /* mul t0, i0, c0 ; Scale unit rect to normalized MB size */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add t1, t0, c1 ; Translate rect into position */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mov o0, t1 ; Move vertex pos to output */
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ mov o1, i1 ; Move input luma texcoords to output
+ mov o2, i2 ; Move input chroma texcoords to output
+ */
+ for (i = 1; i < 3; ++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 o3, t0, c3 ; Translate top field rect into position on ref macroblock
+ add o4, t0, c4 ; Translate bottom field rect into position on ref macroblock */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* mul o5, t1, c2 ; Denorm vertex pos */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 5, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 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);
+
+ vs.tokens = tokens;
+ mc->p_vs[1] = pipe->create_vs_state(pipe, &vs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateFragmentShaderFramePMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Texcoords for s0
+ * decl i1 ; Texcoords for s1, s2
+ * decl i2 ; Texcoords for s3
+ */
+ for (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
+ * decl s3 ; Sampler for ref surface texture
+ */
+ for (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, i1, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, 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, i2, s3 ; Read texel from ref macroblock */
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, 2, 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);
+
+ fs.tokens = tokens;
+ mc->p_fs[0] = pipe->create_fs_state(pipe, &fs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateFragmentShaderFieldPMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 200;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Texcoords for s0
+ * decl i1 ; Texcoords for s1, s2
+ * decl i2 ; Texcoords for s3
+ * decl i3 ; Texcoords for s3
+ * decl i4 ; Denormalized vertex pos
+ */
+ for (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 ; Constants 1/2 & 2 in .x, .y channels for Y-mod-2 top/bottom field selection
+ */
+ 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-t4 */
+ decl = vl_decl_temps(0, 4);
+ 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 (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, i1, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, 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, i2, s3 ; Read texel from ref macroblock top field
+ * tex2d t2, i3, s3 ; Read texel from ref macroblock bottom field
+ */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, TGSI_FILE_SAMPLER, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* XXX: Pos values off by 0.5? */
+ /* sub t4, i4.y, c1.x ; Sub 0.5 from denormalized pos */
+ inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_INPUT, 4, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t3, t4, c1.x ; Multiply pos Y-coord by 1/2 */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* floor t3, t3 ; Get rid of fractional part */
+ inst = vl_inst2(TGSI_OPCODE_FLOOR, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t3, t3, c1.y ; Multiply by 2 */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* sub t3, t4, t3 ; Subtract from original Y to get Y % 2 */
+ inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* TODO: Move to conditional tex fetch on t3 instead of lerp */
+ /* lerp t1, t3, t1, t2 ; Choose between top and bottom fields based on Y % 2 */
+ inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
+ 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);
+
+ fs.tokens = tokens;
+ mc->p_fs[1] = pipe->create_fs_state(pipe, &fs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateVertexShaderFrameBMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(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 texcoords
+ */
+ for (i = 0; i < 3; 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 unit rect to macroblock size
+ * decl c1 ; Translation vector to move macroblock into position
+ * decl c2 ; Unused
+ * decl c3 ; Translation vector to move past ref macroblock texcoords into position
+ * decl c4 ; Unused
+ * decl c5 ; Translation vector to move future ref macroblock texcoords into position
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 5);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma texcoords
+ * decl o3 ; Past ref macroblock texcoords
+ * decl o4 ; Future ref macroblock texcoords
+ */
+ for (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);
+ }
+
+ /* decl t0 */
+ decl = vl_decl_temps(0, 0);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t0, i0, c0 ; Scale unit rect to normalized MB size */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add o0, t0, c1 ; Translate rect into position */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma texcoords to output
+ */
+ for (i = 1; i < 3; ++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 o3, t0, c3 ; Translate rect into position on past ref macroblock
+ add o4, t0, c5 ; Translate rect into position on future ref macroblock */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i * 2 + 3);
+ 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);
+
+ vs.tokens = tokens;
+ mc->b_vs[0] = pipe->create_vs_state(pipe, &vs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateVertexShaderFieldBMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state vs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(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 texcoords
+ */
+ for (i = 0; i < 3; 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 unit rect to macroblock size
+ * decl c1 ; Translation vector to move macroblock into position
+ * decl c2 ; Denorm coefficients
+ * decl c3 ; Translation vector to move top field past ref macroblock texcoords into position
+ * decl c4 ; Translation vector to move bottom field past ref macroblock texcoords into position
+ * decl c5 ; Translation vector to move top field future ref macroblock texcoords into position
+ * decl c6 ; Translation vector to move bottom field future ref macroblock texcoords into position
+ */
+ decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 6);
+ ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * decl o0 ; Vertex pos
+ * decl o1 ; Luma texcoords
+ * decl o2 ; Chroma texcoords
+ * decl o3 ; Top field past ref macroblock texcoords
+ * decl o4 ; Bottom field past ref macroblock texcoords
+ * decl o5 ; Top field future ref macroblock texcoords
+ * decl o6 ; Bottom field future ref macroblock texcoords
+ * decl o7 ; Denormalized vertex pos
+ */
+ for (i = 0; i < 8; i++)
+ {
+ decl = vl_decl_output((i == 0 || i == 7) ? 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);
+
+ /* mul t0, i0, c0 ; Scale unit rect to normalized MB size */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* add t1, t0, c1 ; Translate rect into position */
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mov o0, t1 ; Move vertex pos to output */
+ inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 1);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * mov o1, i1 ; Move input luma texcoords to output
+ * mov o2, i2 ; Move input chroma texcoords to output
+ */
+ for (i = 1; i < 3; ++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 o3, t0, c3 ; Translate top field rect into position on past ref macroblock
+ * add o4, t0, c4 ; Translate bottom field rect into position on past ref macroblock
+ * add o5, t0, c5 ; Translate top field rect into position on future ref macroblock
+ * add o6, t0, c6 ; Translate bottom field rect into position on future ref macroblock
+ */
+ for (i = 0; i < 4; ++i)
+ {
+ inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* mul o7, t1, c2 ; Denorm vertex pos */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 7, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 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);
+
+ vs.tokens = tokens;
+ mc->b_vs[1] = pipe->create_vs_state(pipe, &vs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateFragmentShaderFrameBMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 100;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Texcoords for s0
+ * decl i1 ; Texcoords for s1, s2
+ * decl i2 ; Texcoords for s3
+ * decl i3 ; Texcoords for s4
+ */
+ for (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 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 past ref surface texture
+ * decl s4 ; Sampler for future ref surface texture
+ */
+ for (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, i1, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, 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, i2, s3 ; Read texel from past ref macroblock
+ * tex2d t2, i3, s4 ; Read texel from future ref macroblock
+ */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, 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_LERP, 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);
+
+ fs.tokens = tokens;
+ mc->b_fs[0] = pipe->create_fs_state(pipe, &fs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateFragmentShaderFieldBMB
+(
+ struct vlR16SnormMC *mc
+)
+{
+ const unsigned int max_tokens = 200;
+
+ struct pipe_context *pipe;
+ struct pipe_shader_state fs;
+ struct tgsi_token *tokens;
+ struct tgsi_header *header;
+
+ struct tgsi_full_declaration decl;
+ struct tgsi_full_instruction inst;
+
+ unsigned int ti;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+ tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+
+ /* Version */
+ *(struct tgsi_version*)&tokens[0] = tgsi_build_version();
+ /* Header */
+ header = (struct tgsi_header*)&tokens[1];
+ *header = tgsi_build_header();
+ /* Processor */
+ *(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * decl i0 ; Texcoords for s0
+ * decl i1 ; Texcoords for s1, s2
+ * decl i2 ; Texcoords for s3
+ * decl i3 ; Texcoords for s3
+ * decl i4 ; Texcoords for s4
+ * decl i5 ; Texcoords for s4
+ * decl i6 ; Denormalized vertex pos
+ */
+ for (i = 0; i < 7; ++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 ; Constants 1/2 & 2 in .x, .y channels to use as weight to blend past and future texels
+ * ; and for Y-mod-2 top/bottom field selection
+ */
+ 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-t5 */
+ decl = vl_decl_temps(0, 5);
+ 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 past ref surface texture
+ * decl s4 ; Sampler for future ref surface texture
+ */
+ for (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, i1, s2 ; Read texel from chroma Cr texture
+ * mov t0.z, t1.x ; Move Cr sample into .z component
+ */
+ for (i = 0; i < 3; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, 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);
+
+ /* XXX: Pos values off by 0.5? */
+ /* sub t4, i6.y, c1.x ; Sub 0.5 from denormalized pos */
+ inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_INPUT, 6, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t3, t4, c1.x ; Multiply pos Y-coord by 1/2 */
+ inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* floor t3, t3 ; Get rid of fractional part */
+ inst = vl_inst2(TGSI_OPCODE_FLOOR, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* mul t3, t3, c1.y ; Multiply by 2 */
+ inst = vl_inst3( TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_CONSTANT, 1);
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
+ inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /* sub t3, t4, t3 ; Subtract from original Y to get Y % 2 */
+ inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * tex2d t1, i2, s3 ; Read texel from past ref macroblock top field
+ * tex2d t2, i3, s3 ; Read texel from past ref macroblock bottom field
+ */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, TGSI_FILE_SAMPLER, 3);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* TODO: Move to conditional tex fetch on t3 instead of lerp */
+ /* lerp t1, t3, t1, t2 ; Choose between top and bottom fields based on Y % 2 */
+ inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+
+ /*
+ * tex2d t4, i4, s4 ; Read texel from future ref macroblock top field
+ * tex2d t5, i5, s4 ; Read texel from future ref macroblock bottom field
+ */
+ for (i = 0; i < 2; ++i)
+ {
+ inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 4, TGSI_FILE_INPUT, i + 4, TGSI_FILE_SAMPLER, 4);
+ ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
+ }
+
+ /* TODO: Move to conditional tex fetch on t3 instead of lerp */
+ /* lerp t2, t3, t4, t5 ; Choose between top and bottom fields based on Y % 2 */
+ inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 2, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 5);
+ 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_LERP, 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);
+
+ fs.tokens = tokens;
+ mc->b_fs[1] = pipe->create_fs_state(pipe, &fs);
+ free(tokens);
+
+ return 0;
+}
+
+static int vlCreateDataBufs
+(
+ struct vlR16SnormMC *mc
+)
+{
+ struct pipe_context *pipe;
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+
+ /* Create our vertex buffer and vertex buffer element */
+ mc->vertex_bufs[0].pitch = sizeof(struct vlVertex2f);
+ mc->vertex_bufs[0].max_index = 23;
+ mc->vertex_bufs[0].buffer_offset = 0;
+ mc->vertex_bufs[0].buffer = pipe->winsys->buffer_create
+ (
+ pipe->winsys,
+ 1,
+ PIPE_BUFFER_USAGE_VERTEX,
+ sizeof(struct vlVertex2f) * 24
+ );
+
+ mc->vertex_elems[0].src_offset = 0;
+ mc->vertex_elems[0].vertex_buffer_index = 0;
+ mc->vertex_elems[0].nr_components = 2;
+ mc->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Create our texcoord buffers and texcoord buffer elements */
+ for (i = 1; i < 3; ++i)
+ {
+ mc->vertex_bufs[i].pitch = sizeof(struct vlVertex2f);
+ mc->vertex_bufs[i].max_index = 23;
+ mc->vertex_bufs[i].buffer_offset = 0;
+ mc->vertex_bufs[i].buffer = pipe->winsys->buffer_create
+ (
+ pipe->winsys,
+ 1,
+ PIPE_BUFFER_USAGE_VERTEX,
+ sizeof(struct vlVertex2f) * 24
+ );
+
+ mc->vertex_elems[i].src_offset = 0;
+ mc->vertex_elems[i].vertex_buffer_index = i;
+ mc->vertex_elems[i].nr_components = 2;
+ mc->vertex_elems[i].src_format = PIPE_FORMAT_R32G32_FLOAT;
+ }
+
+ /* Fill buffers */
+ memcpy
+ (
+ pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ macroblock_verts,
+ sizeof(struct vlVertex2f) * 24
+ );
+ memcpy
+ (
+ pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ macroblock_luma_texcoords,
+ sizeof(struct vlVertex2f) * 24
+ );
+ /* TODO: Accomodate 422, 444 */
+ memcpy
+ (
+ pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[2].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ macroblock_chroma_420_texcoords,
+ sizeof(struct vlVertex2f) * 24
+ );
+
+ for (i = 0; i < 3; ++i)
+ pipe->winsys->buffer_unmap(pipe->winsys, mc->vertex_bufs[i].buffer);
+
+ /* Create our constant buffer */
+ mc->vs_const_buf.size = sizeof(struct vlVertexShaderConsts);
+ mc->vs_const_buf.buffer = pipe->winsys->buffer_create
+ (
+ pipe->winsys,
+ 1,
+ PIPE_BUFFER_USAGE_CONSTANT,
+ mc->vs_const_buf.size
+ );
+
+ mc->fs_const_buf.size = sizeof(struct vlFragmentShaderConsts);
+ mc->fs_const_buf.buffer = pipe->winsys->buffer_create
+ (
+ pipe->winsys,
+ 1,
+ PIPE_BUFFER_USAGE_CONSTANT,
+ mc->fs_const_buf.size
+ );
+
+ memcpy
+ (
+ pipe->winsys->buffer_map(pipe->winsys, mc->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ &fs_consts,
+ sizeof(struct vlFragmentShaderConsts)
+ );
+
+ pipe->winsys->buffer_unmap(pipe->winsys, mc->fs_const_buf.buffer);
+
+ return 0;
+}
+
+static int vlInit
+(
+ struct vlR16SnormMC *mc
+)
+{
+ struct pipe_context *pipe;
+ struct pipe_sampler_state sampler;
+ struct pipe_texture template;
+ unsigned int filters[5];
+ unsigned int i;
+
+ assert(mc);
+
+ pipe = mc->pipe;
+
+ /* For MC we render to textures, which are rounded up to nearest POT */
+ mc->viewport.scale[0] = vlRoundUpPOT(mc->video_width);
+ mc->viewport.scale[1] = vlRoundUpPOT(mc->video_height);
+ mc->viewport.scale[2] = 1;
+ mc->viewport.scale[3] = 1;
+ mc->viewport.translate[0] = 0;
+ mc->viewport.translate[1] = 0;
+ mc->viewport.translate[2] = 0;
+ mc->viewport.translate[3] = 0;
+
+ mc->render_target.width = vlRoundUpPOT(mc->video_width);
+ mc->render_target.height = vlRoundUpPOT(mc->video_height);
+ mc->render_target.num_cbufs = 1;
+ /* FB for MC stage is a vlSurface, set in vlSetRenderSurface() */
+ mc->render_target.zsbuf = NULL;
+
+ filters[0] = PIPE_TEX_FILTER_NEAREST;
+ filters[1] = mc->video_format == vlFormatYCbCr444 ? PIPE_TEX_FILTER_NEAREST : PIPE_TEX_FILTER_LINEAR;
+ filters[2] = mc->video_format == vlFormatYCbCr444 ? PIPE_TEX_FILTER_NEAREST : PIPE_TEX_FILTER_LINEAR;
+ filters[3] = PIPE_TEX_FILTER_LINEAR;
+ filters[4] = PIPE_TEX_FILTER_LINEAR;
+
+ for (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 = ;*/
+ mc->samplers[i] = pipe->create_sampler_state(pipe, &sampler);
+ }
+
+ memset(&template, 0, sizeof(struct pipe_texture));
+ template.target = PIPE_TEXTURE_2D;
+ template.format = PIPE_FORMAT_R16_SNORM;
+ template.last_level = 0;
+ template.width[0] = 8;
+ template.height[0] = 8 * 4;
+ template.depth[0] = 1;
+ template.compressed = 0;
+ pf_get_block(template.format, &template.block);
+
+ for (i = 0; i < NUM_BUFS; ++i)
+ mc->textures[i][0] = pipe->screen->texture_create(pipe->screen, &template);
+
+ if (mc->video_format == vlFormatYCbCr420)
+ template.height[0] = 8;
+ else if (mc->video_format == vlFormatYCbCr422)
+ template.height[0] = 8 * 2;
+ else if (mc->video_format == vlFormatYCbCr444)
+ template.height[0] = 8 * 4;
+ else
+ assert(0);
+
+ for (i = 0; i < NUM_BUFS; ++i)
+ {
+ mc->textures[i][1] = pipe->screen->texture_create(pipe->screen, &template);
+ mc->textures[i][2] = pipe->screen->texture_create(pipe->screen, &template);
+ }
+
+ /* textures[3] & textures[4] are assigned from vlSurfaces for P and B macroblocks at render time */
+
+ vlCreateVertexShaderIMB(mc);
+ vlCreateFragmentShaderIMB(mc);
+ vlCreateVertexShaderFramePMB(mc);
+ vlCreateVertexShaderFieldPMB(mc);
+ vlCreateFragmentShaderFramePMB(mc);
+ vlCreateFragmentShaderFieldPMB(mc);
+ vlCreateVertexShaderFrameBMB(mc);
+ vlCreateVertexShaderFieldBMB(mc);
+ vlCreateFragmentShaderFrameBMB(mc);
+ vlCreateFragmentShaderFieldBMB(mc);
+ vlCreateDataBufs(mc);
+
+ return 0;
+}
+
+int vlCreateR16SNormMC
+(
+ struct pipe_context *pipe,
+ unsigned int video_width,
+ unsigned int video_height,
+ enum vlFormat video_format,
+ struct vlRender **render
+)
+{
+ struct vlR16SnormMC *mc;
+
+ assert(pipe);
+ assert(render);
+
+ mc = calloc(1, sizeof(struct vlR16SnormMC));
+
+ mc->base.vlBegin = &vlBegin;
+ mc->base.vlRenderMacroBlocksMpeg2 = &vlRenderMacroBlocksMpeg2R16Snorm;
+ mc->base.vlEnd = &vlEnd;
+ mc->base.vlFlush = &vlFlush;
+ mc->base.vlDestroy = &vlDestroy;
+ mc->pipe = pipe;
+ mc->video_width = video_width;
+ mc->video_height = video_height;
+ mc->cur_buf = 0;
+
+ vlInit(mc);
+
+ *render = &mc->base;
+
+ return 0;
+}