g3dvl: Reduce number of input vert streams by copying, reusing in shaders.

Reduce number of input vertex streams by using same texcoord stream for
chroma textures, reusing pos stream when calculating texcoords for P, B
macroblocks.

5 files changed, 66 insertions, 128 deletions

diff --git a/src/gallium/state_trackers/g3dvl/vl_context.c b/src/gallium/state_trackers/g3dvl/vl_context.c
index 7193f7cceaf..2d1d5434955 100644
--- a/src/gallium/state_trackers/g3dvl/vl_context.c
+++ b/src/gallium/state_trackers/g3dvl/vl_context.c
@@ -32,15 +32,14 @@ static int vlDestroyIDCT(struct VL_CONTEXT *context)
 static int vlCreateVertexShaderIMC(struct VL_CONTEXT *context)
 {
 	const unsigned int		max_tokens = 50;
-	const unsigned int		num_attribs = 4;
-	const unsigned int		semantic_names[4] =
+	const unsigned int		num_attribs = 3;
+	const unsigned int		semantic_names[3] =
 					{
 						TGSI_SEMANTIC_POSITION,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC,
-						TGSI_SEMANTIC_GENERIC
 					};
-	const unsigned int		semantic_indexes[4] = {0, 1, 2, 3};
+	const unsigned int		semantic_indexes[3] = {0, 1, 2};
 	const unsigned int		proc_type = TGSI_PROCESSOR_VERTEX;
 	
 	struct pipe_context		*pipe;
@@ -173,7 +172,6 @@ static int vlCreateVertexShaderIMC(struct VL_CONTEXT *context)
 	/*
 	mov o1, i1		; Move texcoords to output
 	mov o2, i2
-	mov o3, i3
 	*/
 	for (i = 1; i < num_attribs; ++i)
 	{
@@ -251,7 +249,7 @@ static int vlCreateFragmentShaderIMC(struct VL_CONTEXT *context)
 	ti = 3;
 
 	/* Declare inputs (texcoords) */
-	for (i = 0; i < 3; ++i)
+	for (i = 0; i < 2; ++i)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_INPUT;
@@ -306,7 +304,7 @@ static int vlCreateFragmentShaderIMC(struct VL_CONTEXT *context)
 	/*
 	tex2d o0.x, i0, s0		; Read texel from luma texture into .x channel
 	tex2d o0.y, i1, s1		; Read texel from chroma Cb texture into .y channel
-	tex2d o0.z, i2, s2		; Read texel from chroma Cr texture into .z channel
+	tex2d o0.z, i1, s2		; Read texel from chroma Cr texture into .z channel
 	*/
 	for (i = 0; i < 3; ++i)
 	{
@@ -319,7 +317,7 @@ static int vlCreateFragmentShaderIMC(struct VL_CONTEXT *context)
 		inst.Instruction.NumSrcRegs = 2;
 		inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
 		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i;
+		inst.FullSrcRegisters[0].SrcRegister.Index = i > 0 ? 1 : 0;
 		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
 		inst.FullSrcRegisters[1].SrcRegister.Index = i;
 		ti += tgsi_build_full_instruction
@@ -354,16 +352,23 @@ static int vlCreateFragmentShaderIMC(struct VL_CONTEXT *context)
 static int vlCreateVertexShaderPMC(struct VL_CONTEXT *context)
 {
 	const unsigned int		max_tokens = 100;
-	const unsigned int		num_attribs = 5;
-	const unsigned int		semantic_names[5] =
+	const unsigned int		num_input_attribs = 3;
+	const unsigned int		num_output_attribs = 4;
+	const unsigned int		input_semantic_names[3] =
 					{
 						TGSI_SEMANTIC_POSITION,
 						TGSI_SEMANTIC_GENERIC,
+						TGSI_SEMANTIC_GENERIC
+					};
+	const unsigned int		output_semantic_names[4] =
+					{
+						TGSI_SEMANTIC_POSITION,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC
 					};
-	const unsigned int		semantic_indexes[5] = {0, 1, 2, 3, 4};
+	const unsigned int		input_semantic_indexes[3] = {0, 1, 2};
+	const unsigned int		output_semantic_indexes[4] = {0, 1, 2, 3};
 	const unsigned int		proc_type = TGSI_PROCESSOR_VERTEX;
 	
 	struct pipe_context		*pipe;
@@ -398,14 +403,14 @@ static int vlCreateVertexShaderPMC(struct VL_CONTEXT *context)
 	ti = 3;
 
 	/* Declare inputs (pos, texcoords) */
-	for (i = 0; i < num_attribs; i++)
+	for (i = 0; i < num_input_attribs; i++)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_INPUT;
 
 		decl.Declaration.Semantic = 1;
-		decl.Semantic.SemanticName = semantic_names[i];
-		decl.Semantic.SemanticIndex = semantic_indexes[i];
+		decl.Semantic.SemanticName = input_semantic_names[i];
+		decl.Semantic.SemanticIndex = input_semantic_indexes[i];
 
 		decl.u.DeclarationRange.First = i;
 		decl.u.DeclarationRange.Last = i;
@@ -438,13 +443,13 @@ static int vlCreateVertexShaderPMC(struct VL_CONTEXT *context)
 	);
 
 	/* Declare outputs (pos, texcoords) */
-	for (i = 0; i < num_attribs; i++)
+	for (i = 0; i < num_output_attribs; i++)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_OUTPUT;
 		decl.Declaration.Semantic = 1;
-		decl.Semantic.SemanticName = semantic_names[i];
-		decl.Semantic.SemanticIndex = semantic_indexes[i];
+		decl.Semantic.SemanticName = output_semantic_names[i];
+		decl.Semantic.SemanticIndex = output_semantic_indexes[i];
 		decl.u.DeclarationRange.First = i;
 		decl.u.DeclarationRange.Last = i;
 		ti += tgsi_build_full_declaration
@@ -497,9 +502,8 @@ static int vlCreateVertexShaderPMC(struct VL_CONTEXT *context)
 	/*
 	mov o1, i1		; Move luma & chroma texcoords to output
 	mov o2, i2
-	mov o3, i3
 	*/
-	for (i = 1; i < num_attribs - 1; ++i)
+	for (i = 1; i < num_output_attribs - 1; ++i)
 	{
 		inst = tgsi_default_full_instruction();
 		inst.Instruction.Opcode = TGSI_OPCODE_MOV;
@@ -517,32 +521,13 @@ static int vlCreateVertexShaderPMC(struct VL_CONTEXT *context)
 			max_tokens - ti
 		);
 	}
-	
-	/* mul t0, i4, c0	; Scale normalized coords to window coords */
-	inst = tgsi_default_full_instruction();
-	inst.Instruction.Opcode = TGSI_OPCODE_MUL;
-	inst.Instruction.NumDstRegs = 1;
-	inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY;
-	inst.FullDstRegisters[0].DstRegister.Index = 0;
-	inst.Instruction.NumSrcRegs = 2;
-	inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-	inst.FullSrcRegisters[0].SrcRegister.Index = 4;
-	inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_CONSTANT;
-	inst.FullSrcRegisters[1].SrcRegister.Index = 0;
-	ti += tgsi_build_full_instruction
-	(
-		&inst,
-		&tokens[ti],
-		header,
-		max_tokens - ti
-	);
 
-	/* add o4, t0, c2	; Translate texcoords into position */
+	/* add o3, t0, c2	; Translate texcoords into position */
 	inst = tgsi_default_full_instruction();
 	inst.Instruction.Opcode = TGSI_OPCODE_ADD;
 	inst.Instruction.NumDstRegs = 1;
 	inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT;
-	inst.FullDstRegisters[0].DstRegister.Index = 4;
+	inst.FullDstRegisters[0].DstRegister.Index = 3;
 	inst.Instruction.NumSrcRegs = 2;
 	inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY;
 	inst.FullSrcRegisters[0].SrcRegister.Index = 0;
@@ -613,7 +598,7 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 	ti = 3;
 
 	/* Declare inputs (texcoords) */
-	for (i = 0; i < 4; ++i)
+	for (i = 0; i < 3; ++i)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_INPUT;
@@ -688,7 +673,7 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 	mov t1.x, t0.w		; Move high part from .w channel to .x
 	tex2d t0.yw, i1, s1	; Read texel from chroma Cb texture into .y and .w channels
 	mov t1.y, t0.w		; Move high part from .w channel to .y
-	tex2d t0.zw, i2, s2	; Read texel from chroma Cr texture into .z and .w channels
+	tex2d t0.zw, i1, s2	; Read texel from chroma Cr texture into .z and .w channels
 	mov t1.z, t0.w		; Move high part from .w channel to .z
 	*/
 	for (i = 0; i < 3; ++i)
@@ -702,7 +687,7 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 		inst.Instruction.NumSrcRegs = 2;
 		inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
 		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i;
+		inst.FullSrcRegisters[0].SrcRegister.Index = i > 0 ? 1 : 0;
 		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
 		inst.FullSrcRegisters[1].SrcRegister.Index = i;
 		ti += tgsi_build_full_instruction
@@ -792,7 +777,7 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 		max_tokens - ti
 	);
 	
-	/* tex2d t1, i3, s3	; Read texel from ref macroblock */
+	/* tex2d t1, i2, s3	; Read texel from ref macroblock */
 	inst = tgsi_default_full_instruction();
 	inst.Instruction.Opcode = TGSI_OPCODE_TEX;
 	inst.Instruction.NumDstRegs = 1;
@@ -801,7 +786,7 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 	inst.Instruction.NumSrcRegs = 2;
 	inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
 	inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-	inst.FullSrcRegisters[0].SrcRegister.Index = 3;
+	inst.FullSrcRegisters[0].SrcRegister.Index = 2;
 	inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
 	inst.FullSrcRegisters[1].SrcRegister.Index = 3;
 	ti += tgsi_build_full_instruction
@@ -854,17 +839,24 @@ static int vlCreateFragmentShaderPMC(struct VL_CONTEXT *context)
 static int vlCreateVertexShaderBMC(struct VL_CONTEXT *context)
 {
 	const unsigned int		max_tokens = 100;
-	const unsigned int		num_attribs = 6;
-	const unsigned int		semantic_names[6] =
+	const unsigned int		num_input_attribs = 3;
+	const unsigned int		num_output_attribs = 5;
+	const unsigned int		input_semantic_names[3] =
 					{
 						TGSI_SEMANTIC_POSITION,
 						TGSI_SEMANTIC_GENERIC,
+						TGSI_SEMANTIC_GENERIC
+					};
+	const unsigned int		output_semantic_names[5] =
+					{
+						TGSI_SEMANTIC_POSITION,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC,
 						TGSI_SEMANTIC_GENERIC
 					};
-	const unsigned int		semantic_indexes[6] = {0, 1, 2, 3, 4, 5};
+	const unsigned int		input_semantic_indexes[3] = {0, 1, 2};
+	const unsigned int		output_semantic_indexes[5] = {0, 1, 2, 3, 4};
 	const unsigned int		proc_type = TGSI_PROCESSOR_VERTEX;
 	
 	struct pipe_context		*pipe;
@@ -899,14 +891,14 @@ static int vlCreateVertexShaderBMC(struct VL_CONTEXT *context)
 	ti = 3;
 
 	/* Declare inputs (pos, texcoords) */
-	for (i = 0; i < num_attribs; i++)
+	for (i = 0; i < num_input_attribs; i++)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_INPUT;
 
 		decl.Declaration.Semantic = 1;
-		decl.Semantic.SemanticName = semantic_names[i];
-		decl.Semantic.SemanticIndex = semantic_indexes[i];
+		decl.Semantic.SemanticName = input_semantic_names[i];
+		decl.Semantic.SemanticIndex = input_semantic_indexes[i];
 
 		decl.u.DeclarationRange.First = i;
 		decl.u.DeclarationRange.Last = i;
@@ -940,13 +932,13 @@ static int vlCreateVertexShaderBMC(struct VL_CONTEXT *context)
 	);
 
 	/* Declare outputs (pos, texcoords) */
-	for (i = 0; i < num_attribs; i++)
+	for (i = 0; i < num_output_attribs; i++)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_OUTPUT;
 		decl.Declaration.Semantic = 1;
-		decl.Semantic.SemanticName = semantic_names[i];
-		decl.Semantic.SemanticIndex = semantic_indexes[i];
+		decl.Semantic.SemanticName = output_semantic_names[i];
+		decl.Semantic.SemanticIndex = output_semantic_indexes[i];
 		decl.u.DeclarationRange.First = i;
 		decl.u.DeclarationRange.Last = i;
 		ti += tgsi_build_full_declaration
@@ -999,9 +991,8 @@ static int vlCreateVertexShaderBMC(struct VL_CONTEXT *context)
 	/*
 	mov o1, i1		; Move luma & chroma texcoords to output
 	mov o2, i2
-	mov o3, i3
 	*/
-	for (i = 1; i < num_attribs - 1; ++i)
+	for (i = 1; i < num_output_attribs - 2; ++i)
 	{
 		inst = tgsi_default_full_instruction();
 		inst.Instruction.Opcode = TGSI_OPCODE_MOV;
@@ -1020,38 +1011,18 @@ static int vlCreateVertexShaderBMC(struct VL_CONTEXT *context)
 		);
 	}
 	
-	/* mul t0, i4, c0	; Scale normalized coords to window coords
-	   add o4, t0, c2	; Translate texcoords into position
-	   mul t1, i5, c0	; Repeat for the future surface
-	   add o5, t1, c3 */
+	/* add o3, t0, c2	; Translate past surface texcoords into position
+	   add o4, t0, c3	; Repeat for future surface texcoords */
 	for (i = 0; i < 2; ++i)
 	{
 		inst = tgsi_default_full_instruction();
-		inst.Instruction.Opcode = TGSI_OPCODE_MUL;
-		inst.Instruction.NumDstRegs = 1;
-		inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY;
-		inst.FullDstRegisters[0].DstRegister.Index = i;
-		inst.Instruction.NumSrcRegs = 2;
-		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i + 4;
-		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_CONSTANT;
-		inst.FullSrcRegisters[1].SrcRegister.Index = 0;
-		ti += tgsi_build_full_instruction
-		(
-			&inst,
-			&tokens[ti],
-			header,
-			max_tokens - ti
-		);
-
-		inst = tgsi_default_full_instruction();
 		inst.Instruction.Opcode = TGSI_OPCODE_ADD;
 		inst.Instruction.NumDstRegs = 1;
 		inst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT;
-		inst.FullDstRegisters[0].DstRegister.Index = i + 4;
+		inst.FullDstRegisters[0].DstRegister.Index = i + 3;
 		inst.Instruction.NumSrcRegs = 2;
 		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i;
+		inst.FullSrcRegisters[0].SrcRegister.Index = 0;
 		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_CONSTANT;
 		inst.FullSrcRegisters[1].SrcRegister.Index = i + 2;
 		ti += tgsi_build_full_instruction
@@ -1120,7 +1091,7 @@ static int vlCreateFragmentShaderBMC(struct VL_CONTEXT *context)
 	ti = 3;
 
 	/* Declare inputs (texcoords) */
-	for (i = 0; i < 5; ++i)
+	for (i = 0; i < 4; ++i)
 	{
 		decl = tgsi_default_full_declaration();
 		decl.Declaration.File = TGSI_FILE_INPUT;
@@ -1195,7 +1166,7 @@ static int vlCreateFragmentShaderBMC(struct VL_CONTEXT *context)
 	mov t1.x, t0.w		; Move high part from .w channel to .x
 	tex2d t0.yw, i1, s1	; Read texel from chroma Cb texture into .y and .w channels
 	mov t1.y, t0.w		; Move high part from .w channel to .y
-	tex2d t0.zw, i2, s2	; Read texel from chroma Cr texture into .z and .w channels
+	tex2d t0.zw, i1, s2	; Read texel from chroma Cr texture into .z and .w channels
 	mov t1.z, t0.w		; Move high part from .w channel to .z
 	*/
 	for (i = 0; i < 3; ++i)
@@ -1209,7 +1180,7 @@ static int vlCreateFragmentShaderBMC(struct VL_CONTEXT *context)
 		inst.Instruction.NumSrcRegs = 2;
 		inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
 		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i;
+		inst.FullSrcRegisters[0].SrcRegister.Index = i > 0 ? 1 : 0;
 		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
 		inst.FullSrcRegisters[1].SrcRegister.Index = i;
 		ti += tgsi_build_full_instruction
@@ -1299,8 +1270,8 @@ static int vlCreateFragmentShaderBMC(struct VL_CONTEXT *context)
 		max_tokens - ti
 	);
 	
-	/* tex2d t1, i3, s3	; Read texel from past macroblock
-	   tex2d t2, i4, s4	; Read texel from future macroblock */
+	/* tex2d t1, i2, s3	; Read texel from past macroblock
+	   tex2d t2, i3, s4	; Read texel from future macroblock */
 	for (i = 0; i < 2; ++i)
 	{
 		inst = tgsi_default_full_instruction();
@@ -1311,7 +1282,7 @@ static int vlCreateFragmentShaderBMC(struct VL_CONTEXT *context)
 		inst.Instruction.NumSrcRegs = 2;
 		inst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D;
 		inst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT;
-		inst.FullSrcRegisters[0].SrcRegister.Index = i + 3;
+		inst.FullSrcRegisters[0].SrcRegister.Index = i + 2;
 		inst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER;
 		inst.FullSrcRegisters[1].SrcRegister.Index = i + 3;
 		ti += tgsi_build_full_instruction
@@ -1409,7 +1380,7 @@ int vlCreateDataBufsMC(struct VL_CONTEXT *context)
 	
 	/* Create our texcoord buffers and texcoord buffer elements */
 	/* TODO: Should be able to use 1 texcoord buf for chroma textures, 1 buf for ref surfaces */
-	for (i = 1; i < 6; ++i)
+	for (i = 1; i < 3; ++i)
 	{
 		context->states.mc.vertex_bufs[i].pitch = sizeof(struct VL_TEXCOORD2F);
 		context->states.mc.vertex_bufs[i].max_index = 23;
@@ -1448,26 +1419,8 @@ int vlCreateDataBufsMC(struct VL_CONTEXT *context)
 		vl_chroma_420_texcoords,
 		sizeof(struct VL_TEXCOORD2F) * 24
 	);
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[3].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_chroma_420_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 24
-	);
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[4].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_ref_surface_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 24
-	);
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[5].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_ref_surface_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 24
-	);
 	
-	for (i = 0; i < 6; ++i)
+	for (i = 0; i < 3; ++i)
 		pipe->winsys->buffer_unmap(pipe->winsys, context->states.mc.vertex_bufs[i].buffer);
 	
 	/* Create our constant buffer */
@@ -1599,12 +1552,10 @@ static int vlDestroyMC(struct VL_CONTEXT *context)
 	assert(context);
 	
 	for (i = 0; i < 5; ++i)
-	{
 		context->pipe->delete_sampler_state(context->pipe, context->states.mc.samplers[i]);
-		context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.mc.vertex_bufs[i].buffer);
-	}
 	
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.mc.vertex_bufs[5].buffer);
+	for (i = 0; i < 3; ++i)
+		context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.mc.vertex_bufs[i].buffer);
 	
 	/* Textures 3 & 4 are not created directly, no need to release them here */
 	for (i = 0; i < 3; ++i)
@@ -2262,7 +2213,9 @@ int vlBeginRender(struct VL_CONTEXT *context)
 	pipe = context->pipe;
 	
 	/* Frame buffer set in vlRender*Macroblock() */
-	/* Shaders, samplers, textures, VBs, VB elements set in vlRender*Macroblock() */
+	/* Shaders, samplers, textures set in vlRender*Macroblock() */
+	pipe->set_vertex_buffers(pipe, 3, context->states.mc.vertex_bufs);
+	pipe->set_vertex_elements(pipe, 3, context->states.mc.vertex_buf_elems);
 	pipe->set_viewport_state(pipe, &context->states.mc.viewport);
 	pipe->set_constant_buffer(pipe, PIPE_SHADER_VERTEX, 0, &context->states.mc.vs_const_buf);
 	pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &context->states.mc.fs_const_buf);
diff --git a/src/gallium/state_trackers/g3dvl/vl_context.h b/src/gallium/state_trackers/g3dvl/vl_context.h
index 0aeba184ccb..f26a4c5b6a7 100644
--- a/src/gallium/state_trackers/g3dvl/vl_context.h
+++ b/src/gallium/state_trackers/g3dvl/vl_context.h
@@ -36,8 +36,8 @@ struct VL_CONTEXT
 			struct pipe_texture			*textures[5];
 			struct pipe_shader_state		*i_vs, *p_vs, *b_vs;
 			struct pipe_shader_state		*i_fs, *p_fs, *b_fs;
-			struct pipe_vertex_buffer 		vertex_bufs[6];
-			struct pipe_vertex_element		vertex_buf_elems[6];
+			struct pipe_vertex_buffer 		vertex_bufs[3];
+			struct pipe_vertex_element		vertex_buf_elems[3];
 			struct pipe_constant_buffer		vs_const_buf, fs_const_buf;
 		} mc;
 		
diff --git a/src/gallium/state_trackers/g3dvl/vl_data.c b/src/gallium/state_trackers/g3dvl/vl_data.c
index c04163276d8..27893aee95e 100644
--- a/src/gallium/state_trackers/g3dvl/vl_data.c
+++ b/src/gallium/state_trackers/g3dvl/vl_data.c
@@ -62,14 +62,6 @@ const struct VL_TEXCOORD2F *vl_chroma_422_texcoords = (const struct VL_TEXCOORD2
 const struct VL_TEXCOORD2F *vl_chroma_444_texcoords = vl_luma_texcoords;
 
 /*
- * Represents texcoords for the above for rendering a predicted macroblock.
- * Straight forward 0,0->1,1 mapping so we can reuse MB pos vectors.
- * Texcoords need to be translated to cover source macroblock on the
- * past/future surface.
- */
- const struct VL_TEXCOORD2F *vl_ref_surface_texcoords = (const struct VL_TEXCOORD2F*)vl_mb_vertex_positions;
-
-/*
  * Represents 2 triangles in a strip in normalized coords.
  * Used to render the surface onto the frame buffer.
  */
diff --git a/src/gallium/state_trackers/g3dvl/vl_data.h b/src/gallium/state_trackers/g3dvl/vl_data.h
index 67a0a749909..8f347273ad7 100644
--- a/src/gallium/state_trackers/g3dvl/vl_data.h
+++ b/src/gallium/state_trackers/g3dvl/vl_data.h
@@ -8,7 +8,6 @@ extern const struct VL_TEXCOORD2F vl_luma_texcoords[24];
 extern const struct VL_TEXCOORD2F *vl_chroma_420_texcoords;
 extern const struct VL_TEXCOORD2F *vl_chroma_422_texcoords;
 extern const struct VL_TEXCOORD2F *vl_chroma_444_texcoords;
-extern const struct VL_TEXCOORD2F *vl_ref_surface_texcoords;
 
 extern const struct VL_VERTEX2F vl_surface_vertex_positions[4];
 extern const struct VL_TEXCOORD2F *vl_surface_texcoords;
diff --git a/src/gallium/state_trackers/g3dvl/vl_surface.c b/src/gallium/state_trackers/g3dvl/vl_surface.c
index e58e434dab1..0e1adea4729 100644
--- a/src/gallium/state_trackers/g3dvl/vl_surface.c
+++ b/src/gallium/state_trackers/g3dvl/vl_surface.c
@@ -269,8 +269,6 @@ int vlRenderIMacroBlock
 	pipe->set_framebuffer_state(pipe, &surface->context->states.mc.render_target);
 	pipe->set_sampler_textures(pipe, 3, surface->context->states.mc.textures);
 	pipe->bind_sampler_states(pipe, 3, (void**)surface->context->states.mc.samplers);
-	pipe->set_vertex_buffers(pipe, 4, surface->context->states.mc.vertex_bufs);
-	pipe->set_vertex_elements(pipe, 4, surface->context->states.mc.vertex_buf_elems);
 	pipe->bind_vs_state(pipe, surface->context->states.mc.i_vs);
 	pipe->bind_fs_state(pipe, surface->context->states.mc.i_fs);
 	
@@ -354,8 +352,6 @@ int vlRenderPMacroBlock
 	surface->context->states.mc.textures[3] = ref_surface->texture;
 	pipe->set_sampler_textures(pipe, 4, surface->context->states.mc.textures);
 	pipe->bind_sampler_states(pipe, 4, (void**)surface->context->states.mc.samplers);
-	pipe->set_vertex_buffers(pipe, 5, surface->context->states.mc.vertex_bufs);
-	pipe->set_vertex_elements(pipe, 5, surface->context->states.mc.vertex_buf_elems);
 	pipe->bind_vs_state(pipe, surface->context->states.mc.p_vs);
 	pipe->bind_fs_state(pipe, surface->context->states.mc.p_fs);
 	
@@ -445,8 +441,6 @@ int vlRenderBMacroBlock
 	surface->context->states.mc.textures[4] = future_surface->texture;
 	pipe->set_sampler_textures(pipe, 5, surface->context->states.mc.textures);
 	pipe->bind_sampler_states(pipe, 5, (void**)surface->context->states.mc.samplers);
-	pipe->set_vertex_buffers(pipe, 6, surface->context->states.mc.vertex_bufs);
-	pipe->set_vertex_elements(pipe, 6, surface->context->states.mc.vertex_buf_elems);
 	pipe->bind_vs_state(pipe, surface->context->states.mc.b_vs);
 	pipe->bind_fs_state(pipe, surface->context->states.mc.b_fs);