g3dvl: Modularized rendering, refactored to accommodate VAAPI, other APIs.

1 files changed, 99 insertions, 2173 deletions

diff --git a/src/gallium/state_trackers/g3dvl/vl_context.c b/src/gallium/state_trackers/g3dvl/vl_context.c
index 5616de0ba4..56d360c05b 100644
--- a/src/gallium/state_trackers/g3dvl/vl_context.c
+++ b/src/gallium/state_trackers/g3dvl/vl_context.c
@@ -1,2088 +1,26 @@
+#define VL_INTERNAL
 #include "vl_context.h"
 #include <assert.h>
 #include <stdlib.h>
 #include <pipe/p_context.h>
-#include <pipe/p_winsys.h>
-#include <pipe/p_screen.h>
 #include <pipe/p_state.h>
-#include <pipe/p_inlines.h>
-#include <pipe/p_shader_tokens.h>
-#include <tgsi/tgsi_parse.h>
-#include <tgsi/tgsi_build.h>
-#include "vl_shader_build.h"
-#include "vl_data.h"
-#include "vl_defs.h"
-#include "vl_util.h"
+#include "vl_render.h"
+#include "vl_r16snorm_mc.h"
+#include "vl_csc.h"
+#include "vl_basic_csc.h"
 
-static int vlCreateVertexShaderFrameIDCT(struct VL_CONTEXT *context)
-{
-	const unsigned int		max_tokens = 50;
-
-	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(context);
-	
-	pipe = context->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		; Vertex pos
-	 * decl i1		; Vertex texcoords
-	 */
-	for (i = 0; i < 2; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-	
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Vertex texcoords
-	 */
-	for (i = 0; i < 2; i++)
-	{
-		decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-	
-	/*
-	 * mov o0, i0		; Move pos in to pos out
-	 * mov o1, i1		; Move texcoord in to texcoord out */
-	for (i = 0; i < 2; ++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);
-
-	fs.tokens = tokens;
-	//context->states.idct.frame_vs = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderFrameIDCT(struct VL_CONTEXT *context)
-{
-	const unsigned int		max_tokens = 50;
-
-	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(context);
-	
-	pipe = context->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 = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, 1, 0, 0, TGSI_INTERPOLATE_LINEAR);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl 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 s0		; Sampler for tex containing picture to display */
-	decl = vl_decl_samplers(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/* tex2d t0, i0, s0	; Read src pixel */
-	inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_SAMPLER, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	
-	/* sub t0, t0, c0	; Subtract bias vector from pixel */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	
-	/*
-	 * dp4 o0.x, t0, c1	; Multiply pixel by the color conversion matrix
-	 * dp4 o0.y, t0, c2
-	 * dp4 o0.z, t0, c3
-	 * dp4 o0.w, t0, c4	; XXX: Don't need 4th coefficient
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		inst = vl_inst3(TGSI_OPCODE_DP4, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 1);
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	//context->states.idct.frame_fs = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlInitIDCT(struct VL_CONTEXT *context)
-{
-	struct pipe_context		*pipe;
-	struct pipe_sampler_state	sampler;
-	struct pipe_texture		template;
-	unsigned int			i;
-	
-	assert(context);
-	
-	pipe = context->pipe;
-	
-	context->states.idct.viewport.scale[0] = VL_BLOCK_WIDTH;
-	context->states.idct.viewport.scale[1] = VL_BLOCK_HEIGHT;
-	context->states.idct.viewport.scale[2] = 1;
-	context->states.idct.viewport.scale[3] = 1;
-	context->states.idct.viewport.translate[0] = 0;
-	context->states.idct.viewport.translate[1] = 0;
-	context->states.idct.viewport.translate[2] = 0;
-	context->states.idct.viewport.translate[3] = 0;
-	
-	context->states.idct.render_target.width = VL_BLOCK_WIDTH;
-	context->states.idct.render_target.height = VL_BLOCK_HEIGHT;
-	context->states.idct.render_target.num_cbufs = 1;
-	context->states.idct.render_target.zsbuf = NULL;
-	
-	sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
-	sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
-	sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
-	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 = ;*/
-	context->states.idct.sampler = pipe->create_sampler_state(pipe, &sampler);
-	
-	memset(&template, 0, sizeof(struct pipe_texture));
-	template.target = PIPE_TEXTURE_2D;
-	template.format = PIPE_FORMAT_A8L8_UNORM;
-	template.last_level = 0;
-	template.width[0] = 8;
-	template.height[0] = 8;
-	template.depth[0] = 1;
-	template.compressed = 0;
-	pf_get_block(template.format, &template.block);
-	
-	context->states.idct.texture = pipe->screen->texture_create(pipe->screen, &template);
-	
-	template.format = PIPE_FORMAT_A8R8G8B8_UNORM;
-	template.width[0] = 16;
-	template.height[0] = 1;
-	
-	context->states.idct.basis = pipe->screen->texture_create(pipe->screen, &template);
-	
-	for (i = 0; i < 2; ++i)
-	{
-		context->states.idct.vertex_bufs[i] = &context->states.csc.vertex_bufs[i];
-		context->states.idct.vertex_buf_elems[i] = &context->states.csc.vertex_buf_elems[i];
-		/*
-		context->states.idct.vertex_bufs[i].pitch = sizeof(struct VL_VERTEX2F);
-		context->states.idct.vertex_bufs[i].max_index = 3;
-		context->states.idct.vertex_bufs[i].buffer_offset = 0;
-		context->states.idct.vertex_bufs[i].buffer = pipe->winsys->buffer_create
-		(
-			pipe->winsys,
-			1,
-			PIPE_BUFFER_USAGE_VERTEX,
-			sizeof(struct VL_VERTEX2F) * 4
-		);
-	
-		context->states.idct.vertex_buf_elems[i].src_offset = 0;
-		context->states.idct.vertex_buf_elems[i].vertex_buffer_index = i;
-		context->states.idct.vertex_buf_elems[i].nr_components = 2;
-		context->states.idct.vertex_buf_elems[i].src_format = PIPE_FORMAT_R32G32_FLOAT;
-		*/
-	}
-	
-	vlCreateVertexShaderFrameIDCT(context);
-	vlCreateFragmentShaderFrameIDCT(context);
-	
-	return 0;
-}
-
-static int vlDestroyIDCT(struct VL_CONTEXT *context)
-{
-	//unsigned int i;
-	
-	assert(context);
-	
-	context->pipe->delete_sampler_state(context->pipe, context->states.idct.sampler);
-	
-	//for (i = 0; i < 2; ++i)
-		//context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.idct.vertex_bufs[i].buffer);
-	
-	pipe_texture_release(&context->states.idct.texture);
-	pipe_texture_release(&context->states.idct.basis);
-	
-	//context->pipe->delete_vs_state(context->pipe, context->states.idct.frame_vs);
-	//context->pipe->delete_fs_state(context->pipe, context->states.idct.frame_fs);
-	
-	//context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.idct.vs_const_buf.buffer);
-	//context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.idct.fs_const_buf.buffer);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderIMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.i_vs = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderIMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.i_fs = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderFramePMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.p_vs[0] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderFieldPMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.p_vs[1] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderFramePMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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, 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, 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;
-	context->states.mc.p_fs[0] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderFieldPMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.p_fs[1] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderFrameBMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.b_vs[0] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderFieldBMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.b_vs[1] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderFrameBMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.b_fs[0] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderFieldBMC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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;
-	context->states.mc.b_fs[1] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-	
-	return 0;
-}
-
-int vlCreateDataBufsMC(struct VL_CONTEXT *context)
-{
-	struct pipe_context	*pipe;
-	unsigned int		i;
-	
-	assert(context);
-	
-	pipe = context->pipe;
-	
-	/* Create our vertex buffer and vertex buffer element */
-	context->states.mc.vertex_bufs[0].pitch = sizeof(struct VL_VERTEX2F);
-	context->states.mc.vertex_bufs[0].max_index = 23;
-	context->states.mc.vertex_bufs[0].buffer_offset = 0;
-	context->states.mc.vertex_bufs[0].buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_VERTEX,
-		sizeof(struct VL_VERTEX2F) * 24
-	);
-	
-	context->states.mc.vertex_buf_elems[0].src_offset = 0;
-	context->states.mc.vertex_buf_elems[0].vertex_buffer_index = 0;
-	context->states.mc.vertex_buf_elems[0].nr_components = 2;
-	context->states.mc.vertex_buf_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
-	
-	/* Create our texcoord buffers and texcoord buffer elements */
-	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;
-		context->states.mc.vertex_bufs[i].buffer_offset = 0;
-		context->states.mc.vertex_bufs[i].buffer = pipe->winsys->buffer_create
-		(
-			pipe->winsys,
-			1,
-			PIPE_BUFFER_USAGE_VERTEX,
-			sizeof(struct VL_TEXCOORD2F) * 24
-		);
-	
-		context->states.mc.vertex_buf_elems[i].src_offset = 0;
-		context->states.mc.vertex_buf_elems[i].vertex_buffer_index = i;
-		context->states.mc.vertex_buf_elems[i].nr_components = 2;
-		context->states.mc.vertex_buf_elems[i].src_format = PIPE_FORMAT_R32G32_FLOAT;
-	}
-	
-	/* Fill buffers */
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_chroma_420_texcoords,
-		sizeof(struct VL_VERTEX2F) * 24
-	);
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_luma_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 24
-	);
-	/* TODO: Accomodate 422, 444 */
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.vertex_bufs[2].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_chroma_420_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 24
-	);
-	
-	for (i = 0; i < 3; ++i)
-		pipe->winsys->buffer_unmap(pipe->winsys, context->states.mc.vertex_bufs[i].buffer);
-	
-	/* Create our constant buffer */
-	context->states.mc.vs_const_buf.size = sizeof(struct VL_MC_VS_CONSTS);
-	context->states.mc.vs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		context->states.mc.vs_const_buf.size
-	);
-	
-	context->states.mc.fs_const_buf.size = sizeof(struct VL_MC_FS_CONSTS);
-	context->states.mc.fs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		context->states.mc.fs_const_buf.size
-	);
-	
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.mc.fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		&vl_mc_fs_consts,
-		sizeof(struct VL_MC_FS_CONSTS)
-	);
-	
-	pipe->winsys->buffer_unmap(pipe->winsys, context->states.mc.fs_const_buf.buffer);
-	
-	return 0;
-}
-
-static int vlInitMC(struct VL_CONTEXT *context)
-{	
-	struct pipe_context		*pipe;
-	struct pipe_sampler_state	sampler;
-	struct pipe_texture		template;
-	unsigned int			filters[5];
-	unsigned int			i;
-	
-	assert(context);
-	
-	pipe = context->pipe;
-	
-	/* For MC we render to textures, which are rounded up to nearest POT */
-	context->states.mc.viewport.scale[0] = vlRoundUpPOT(context->video_width);
-	context->states.mc.viewport.scale[1] = vlRoundUpPOT(context->video_height);
-	context->states.mc.viewport.scale[2] = 1;
-	context->states.mc.viewport.scale[3] = 1;
-	context->states.mc.viewport.translate[0] = 0;
-	context->states.mc.viewport.translate[1] = 0;
-	context->states.mc.viewport.translate[2] = 0;
-	context->states.mc.viewport.translate[3] = 0;
-	
-	context->states.mc.render_target.width = vlRoundUpPOT(context->video_width);
-	context->states.mc.render_target.height = vlRoundUpPOT(context->video_height);
-	context->states.mc.render_target.num_cbufs = 1;
-	/* FB for MC stage is a VL_SURFACE, set in vlSetRenderSurface() */
-	context->states.mc.render_target.zsbuf = NULL;
-	
-	filters[0] = PIPE_TEX_FILTER_NEAREST;
-	filters[1] = context->video_format == VL_FORMAT_YCBCR_444 ? PIPE_TEX_FILTER_NEAREST : PIPE_TEX_FILTER_LINEAR;
-	filters[2] = context->video_format == VL_FORMAT_YCBCR_444 ? 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 = ;*/
-		context->states.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);
-	
-	context->states.mc.textures[0] = pipe->screen->texture_create(pipe->screen, &template);
-	
-	if (context->video_format == VL_FORMAT_YCBCR_420)
-		template.height[0] = 8;
-	else if (context->video_format == VL_FORMAT_YCBCR_422)
-		template.height[0] = 8 * 2;
-	else if (context->video_format == VL_FORMAT_YCBCR_444)
-		template.height[0] = 8 * 4;
-	else
-		assert(0);
-		
-	context->states.mc.textures[1] = pipe->screen->texture_create(pipe->screen, &template);
-	context->states.mc.textures[2] = pipe->screen->texture_create(pipe->screen, &template);
-	
-	/* textures[3] & textures[4] are assigned from VL_SURFACEs for P and B macroblocks at render time */
-	
-	vlCreateVertexShaderIMC(context);
-	vlCreateFragmentShaderIMC(context);
-	vlCreateVertexShaderFramePMC(context);
-	vlCreateVertexShaderFieldPMC(context);
-	vlCreateFragmentShaderFramePMC(context);
-	vlCreateFragmentShaderFieldPMC(context);
-	vlCreateVertexShaderFrameBMC(context);
-	vlCreateVertexShaderFieldBMC(context);
-	vlCreateFragmentShaderFrameBMC(context);
-	vlCreateFragmentShaderFieldBMC(context);
-	vlCreateDataBufsMC(context);
-	
-	return 0;
-}
-
-static int vlDestroyMC(struct VL_CONTEXT *context)
-{
-	unsigned int i;
-	
-	assert(context);
-	
-	for (i = 0; i < 5; ++i)
-		context->pipe->delete_sampler_state(context->pipe, context->states.mc.samplers[i]);
-	
-	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)
-		pipe_texture_release(&context->states.mc.textures[i]);
-	
-	context->pipe->delete_vs_state(context->pipe, context->states.mc.i_vs);
-	context->pipe->delete_fs_state(context->pipe, context->states.mc.i_fs);
-	
-	for (i = 0; i < 2; ++i)
-	{
-		context->pipe->delete_vs_state(context->pipe, context->states.mc.p_vs[i]);
-		context->pipe->delete_fs_state(context->pipe, context->states.mc.p_fs[i]);
-		context->pipe->delete_vs_state(context->pipe, context->states.mc.b_vs[i]);
-		context->pipe->delete_fs_state(context->pipe, context->states.mc.b_fs[i]);
-	}
-	
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.mc.vs_const_buf.buffer);
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.mc.fs_const_buf.buffer);
-	
-	return 0;
-}
-
-static int vlCreateVertexShaderCSC(struct VL_CONTEXT *context)
-{
-	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(context);
-	
-	pipe = context->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		; Vertex texcoords
-	 */
-	for (i = 0; i < 2; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-	
-	/*
-	 * decl c0		; Scaling vector to scale texcoord rect to source size
-	 * decl c1		; Translation vector to move texcoord rect 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		; Vertex texcoords
-	 */
-	for (i = 0; i < 2; i++)
-	{
-		decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-	
-	/* decl t0 */
-	decl = vl_decl_temps(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/* mov o0, i0		; Move pos in to pos out */
-	inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_INPUT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	
-	/* mul t0, i1, c0	; Scale unit texcoord rect to source size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 1, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o1, t0, c1	; Translate texcoord rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 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);
-	
-	vs.tokens = tokens;
-	context->states.csc.vertex_shader = pipe->create_vs_state(pipe, &vs);
-	//free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateFragmentShaderCSC(struct VL_CONTEXT *context)
-{
-	const unsigned int		max_tokens = 50;
-
-	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(context);
-	
-	pipe = context->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 = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, 1, 0, 0, TGSI_INTERPOLATE_LINEAR);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/*
-	 * decl c0		; Bias vector for CSC
-	 * decl c1-c4		; CSC matrix c1-c4
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 4);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0		; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/* decl t0 */
-	decl = vl_decl_temps(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/* decl s0		; Sampler for tex containing picture to display */
-	decl = vl_decl_samplers(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	
-	/* tex2d t0, i0, s0	; Read src pixel */
-	inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_SAMPLER, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	
-	/* sub t0, t0, c0	; Subtract bias vector from pixel */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	
-	/*
-	 * dp4 o0.x, t0, c1	; Multiply pixel by the color conversion matrix
-	 * dp4 o0.y, t0, c2
-	 * dp4 o0.z, t0, c3
-	 * dp4 o0.w, t0, c4	; XXX: Don't need 4th coefficient
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		inst = vl_inst3(TGSI_OPCODE_DP4, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 1);
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	context->states.csc.fragment_shader = pipe->create_fs_state(pipe, &fs);
-	//free(tokens);
-	
-	return 0;
-}
-
-static int vlCreateDataBufsCSC(struct VL_CONTEXT *context)
-{
-	struct pipe_context *pipe;
-	
-	assert(context);
-	
-	pipe = context->pipe;
-	
-	/*
-	Create our vertex buffer and vertex buffer element
-	VB contains 4 vertices that render a quad covering the entire window
-	to display a rendered surface
-	Quad is rendered as a tri strip
-	*/
-	context->states.csc.vertex_bufs[0].pitch = sizeof(struct VL_VERTEX2F);
-	context->states.csc.vertex_bufs[0].max_index = 3;
-	context->states.csc.vertex_bufs[0].buffer_offset = 0;
-	context->states.csc.vertex_bufs[0].buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_VERTEX,
-		sizeof(struct VL_VERTEX2F) * 4
-	);
-	
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.csc.vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_surface_vertex_positions,
-		sizeof(struct VL_VERTEX2F) * 4
-	);
-	
-	pipe->winsys->buffer_unmap(pipe->winsys, context->states.csc.vertex_bufs[0].buffer);
-	
-	context->states.csc.vertex_buf_elems[0].src_offset = 0;
-	context->states.csc.vertex_buf_elems[0].vertex_buffer_index = 0;
-	context->states.csc.vertex_buf_elems[0].nr_components = 2;
-	context->states.csc.vertex_buf_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
-	
-	/*
-	Create our texcoord buffer and texcoord buffer element
-	Texcoord buffer contains the TCs for mapping the rendered surface to the 4 vertices
-	*/
-	context->states.csc.vertex_bufs[1].pitch = sizeof(struct VL_TEXCOORD2F);
-	context->states.csc.vertex_bufs[1].max_index = 3;
-	context->states.csc.vertex_bufs[1].buffer_offset = 0;
-	context->states.csc.vertex_bufs[1].buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_VERTEX,
-		sizeof(struct VL_TEXCOORD2F) * 4
-	);
-	
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.csc.vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		vl_surface_texcoords,
-		sizeof(struct VL_TEXCOORD2F) * 4
-	);
-	
-	pipe->winsys->buffer_unmap(pipe->winsys, context->states.csc.vertex_bufs[1].buffer);
-	
-	context->states.csc.vertex_buf_elems[1].src_offset = 0;
-	context->states.csc.vertex_buf_elems[1].vertex_buffer_index = 1;
-	context->states.csc.vertex_buf_elems[1].nr_components = 2;
-	context->states.csc.vertex_buf_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
-	
-	/*
-	Create our vertex shader's constant buffer
-	Const buffer contains scaling and translation vectors
-	*/
-	context->states.csc.vs_const_buf.size = sizeof(struct VL_CSC_VS_CONSTS);
-	context->states.csc.vs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		context->states.csc.vs_const_buf.size
-	);
-	
-	/*
-	Create our fragment shader's constant buffer
-	Const buffer contains the color conversion matrix and bias vectors
-	*/
-	context->states.csc.fs_const_buf.size = sizeof(struct VL_CSC_FS_CONSTS);
-	context->states.csc.fs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		context->states.csc.fs_const_buf.size
-	);
-	
-	/*
-	TODO: Refactor this into a seperate function,
-	allow changing the CSC matrix at runtime to switch between regular & full versions
-	*/
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, context->states.csc.fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		&vl_csc_fs_consts_601,
-		sizeof(struct VL_CSC_FS_CONSTS)
-	);
-	
-	pipe->winsys->buffer_unmap(pipe->winsys, context->states.csc.fs_const_buf.buffer);
-	
-	return 0;
-}
-
-static int vlInitCSC(struct VL_CONTEXT *context)
-{	
-	struct pipe_context		*pipe;
-	struct pipe_sampler_state	sampler;
-	
-	assert(context);
-	
-	pipe = context->pipe;
-	
-	/* Delay creating the FB until vlPutSurface() so we know window size */
-	context->states.csc.framebuffer.num_cbufs = 1;
-	context->states.csc.framebuffer.cbufs[0] = NULL;
-	context->states.csc.framebuffer.zsbuf = NULL;
-
-	sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-	sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
-	sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
-	sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
-	sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
-	sampler.compare_func = PIPE_FUNC_ALWAYS;
-	sampler.normalized_coords = 1;
-	/*sampler.prefilter = ;*/
-	/*sampler.shadow_ambient = ;*/
-	/*sampler.lod_bias = ;*/
-	/*sampler.min_lod = ;*/
-	/*sampler.max_lod = ;*/
-	/*sampler.border_color[i] = ;*/
-	/*sampler.max_anisotropy = ;*/
-	context->states.csc.sampler = pipe->create_sampler_state(pipe, &sampler);
-	
-	vlCreateVertexShaderCSC(context);
-	vlCreateFragmentShaderCSC(context);
-	vlCreateDataBufsCSC(context);
-	
-	return 0;
-}
-
-static int vlDestroyCSC(struct VL_CONTEXT *context)
-{
-	assert(context);
-	
-	/*
-	Since we create the final FB when we display our first surface,
-	it may not be created if vlPutSurface() is never called
-	*/
-	if (context->states.csc.framebuffer.cbufs[0])
-		context->pipe->winsys->surface_release(context->pipe->winsys, &context->states.csc.framebuffer.cbufs[0]);
-	context->pipe->delete_sampler_state(context->pipe, context->states.csc.sampler);
-	context->pipe->delete_vs_state(context->pipe, context->states.csc.vertex_shader);
-	context->pipe->delete_fs_state(context->pipe, context->states.csc.fragment_shader);
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.csc.vertex_bufs[0].buffer);
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.csc.vertex_bufs[1].buffer);
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.csc.vs_const_buf.buffer);
-	context->pipe->winsys->buffer_destroy(context->pipe->winsys, context->states.csc.fs_const_buf.buffer);
-	
-	return 0;
-}
-
-static int vlInitCommon(struct VL_CONTEXT *context)
+static int vlInitCommon(struct vlContext *context)
 {
 	struct pipe_context			*pipe;
 	struct pipe_rasterizer_state		rast;
 	struct pipe_blend_state			blend;
 	struct pipe_depth_stencil_alpha_state	dsa;
 	unsigned int				i;
-	
+
 	assert(context);
-	
+
 	pipe = context->pipe;
-	
+
 	rast.flatshade = 1;
 	rast.flatshade_first = 0;
 	rast.light_twoside = 0;
@@ -2113,9 +51,9 @@ static int vlInitCommon(struct VL_CONTEXT *context)
 	rast.offset_units = 1;
 	rast.offset_scale = 1;
 	/*rast.sprite_coord_mode[i] = ;*/
-	context->states.common.raster = pipe->create_rasterizer_state(pipe, &rast);
-	pipe->bind_rasterizer_state(pipe, context->states.common.raster);
-	
+	context->raster = pipe->create_rasterizer_state(pipe, &rast);
+	pipe->bind_rasterizer_state(pipe, context->raster);
+
 	blend.blend_enable = 0;
 	blend.rgb_func = PIPE_BLEND_ADD;
 	blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
@@ -2128,9 +66,9 @@ static int vlInitCommon(struct VL_CONTEXT *context)
 	/* Needed to allow color writes to FB, even if blending disabled */
 	blend.colormask = PIPE_MASK_RGBA;
 	blend.dither = 0;
-	context->states.common.blend = pipe->create_blend_state(pipe, &blend);
-	pipe->bind_blend_state(pipe, context->states.common.blend);
-	
+	context->blend = pipe->create_blend_state(pipe, &blend);
+	pipe->bind_blend_state(pipe, context->blend);
+
 	dsa.depth.enabled = 0;
 	dsa.depth.writemask = 0;
 	dsa.depth.func = PIPE_FUNC_ALWAYS;
@@ -2149,134 +87,122 @@ static int vlInitCommon(struct VL_CONTEXT *context)
 	dsa.alpha.enabled = 0;
 	dsa.alpha.func = PIPE_FUNC_ALWAYS;
 	dsa.alpha.ref = 0;
-	context->states.common.dsa = pipe->create_depth_stencil_alpha_state(pipe, &dsa);
-	pipe->bind_depth_stencil_alpha_state(pipe, context->states.common.dsa);
-	
-	return 0;
-}
+	context->dsa = pipe->create_depth_stencil_alpha_state(pipe, &dsa);
+	pipe->bind_depth_stencil_alpha_state(pipe, context->dsa);
 
-static int vlDestroyCommon(struct VL_CONTEXT *context)
-{
-	assert(context);
-	
-	context->pipe->delete_blend_state(context->pipe, context->states.common.blend);
-	context->pipe->delete_rasterizer_state(context->pipe, context->states.common.raster);
-	context->pipe->delete_depth_stencil_alpha_state(context->pipe, context->states.common.dsa);
-	
 	return 0;
 }
 
-static int vlInit(struct VL_CONTEXT *context)
+int vlCreateContext
+(
+	struct vlScreen *screen,
+	struct pipe_context *pipe,
+	unsigned int picture_width,
+	unsigned int picture_height,
+	enum vlFormat picture_format,
+	enum vlProfile profile,
+	enum vlEntryPoint entry_point,
+	struct vlContext **context
+)
 {
+	struct vlContext *ctx;
+
+	assert(screen);
 	assert(context);
-	
-	vlInitCommon(context);
-	vlInitCSC(context);
-	vlInitMC(context);
-	vlInitIDCT(context);
-	
+	assert(pipe);
+
+	ctx = calloc(1, sizeof(struct vlContext));
+
+	if (!ctx)
+		return 1;
+
+	ctx->screen = screen;
+	ctx->pipe = pipe;
+	ctx->picture_width = picture_width;
+	ctx->picture_height = picture_height;
+	ctx->picture_format = picture_format;
+	ctx->profile = profile;
+	ctx->entry_point = entry_point;
+
+	vlInitCommon(ctx);
+
+	vlCreateR16SNormMC(pipe, picture_width, picture_height, picture_format, &ctx->render);
+	vlCreateBasicCSC(pipe, &ctx->csc);
+
+	*context = ctx;
+
 	return 0;
 }
 
-static int vlDestroy(struct VL_CONTEXT *context)
+int vlDestroyContext
+(
+	struct vlContext *context
+)
 {
 	assert(context);
-	
+
 	/* XXX: Must unbind shaders before we can delete them for some reason */
 	context->pipe->bind_vs_state(context->pipe, NULL);
 	context->pipe->bind_fs_state(context->pipe, NULL);
-	
-	vlDestroyCommon(context);
-	vlDestroyCSC(context);
-	vlDestroyMC(context);
-	vlDestroyIDCT(context);
-	
+
+	context->render->vlDestroy(context->render);
+	context->csc->vlDestroy(context->csc);
+
+	context->pipe->delete_blend_state(context->pipe, context->blend);
+	context->pipe->delete_rasterizer_state(context->pipe, context->raster);
+	context->pipe->delete_depth_stencil_alpha_state(context->pipe, context->dsa);
+
+	free(context);
+
 	return 0;
 }
 
-int vlCreateContext
+struct vlScreen* vlContextGetScreen
 (
-	Display *display,
-	struct pipe_context *pipe,
-	unsigned int video_width,
-	unsigned int video_height,
-	enum VL_FORMAT video_format,
-	struct VL_CONTEXT **context
+	struct vlContext *context
 )
 {
-	struct VL_CONTEXT *ctx;
-	
-	assert(display);
-	assert(pipe);
 	assert(context);
-	
-	ctx = calloc(1, sizeof(struct VL_CONTEXT));
-	
-	ctx->display = display;
-	ctx->pipe = pipe;
-	ctx->video_width = video_width;
-	ctx->video_height = video_height;
-	ctx->video_format = video_format;
-	
-	vlInit(ctx);
-	
-	/* Since we only change states in vlPutSurface() we need to start in render mode */
-	vlBeginRender(ctx);
-	
-	*context = ctx;
-	
-	return 0;
+
+	return context->screen;
 }
 
-int vlDestroyContext(struct VL_CONTEXT *context)
+struct pipe_context* vlGetPipeContext
+(
+	struct vlContext *context
+)
 {
 	assert(context);
-	
-	vlDestroy(context);
-	
-	free(context);
-	
-	return 0;
+
+	return context->pipe;
 }
 
-int vlBeginRender(struct VL_CONTEXT *context)
+unsigned int vlGetPictureWidth
+(
+	struct vlContext *context
+)
 {
-	struct pipe_context	*pipe;
-	
 	assert(context);
-	
-	pipe = context->pipe;
-	
-	/* Frame buffer 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);
-	
-	return 0;
+
+	return context->picture_width;
 }
 
-int vlEndRender(struct VL_CONTEXT *context)
+unsigned int vlGetPictureHeight
+(
+	struct vlContext *context
+)
 {
-	struct pipe_context *pipe;
-	
 	assert(context);
-	
-	pipe = context->pipe;
-	
-	pipe->set_framebuffer_state(pipe, &context->states.csc.framebuffer);
-	pipe->set_viewport_state(pipe, &context->states.csc.viewport);
-	pipe->bind_sampler_states(pipe, 1, (void**)&context->states.csc.sampler);
-	/* Source texture set in vlPutSurface() */
-	pipe->bind_vs_state(pipe, context->states.csc.vertex_shader);
-	pipe->bind_fs_state(pipe, context->states.csc.fragment_shader);
-	pipe->set_vertex_buffers(pipe, 2, context->states.csc.vertex_bufs);
-	pipe->set_vertex_elements(pipe, 2, context->states.csc.vertex_buf_elems);
-	pipe->set_constant_buffer(pipe, PIPE_SHADER_VERTEX, 0, &context->states.csc.vs_const_buf);
-	pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &context->states.csc.fs_const_buf);
-	
-	return 0;
+
+	return context->picture_height;
 }
 
+enum vlFormat vlGetPictureFormat
+(
+	struct vlContext *context
+)
+{
+	assert(context);
+
+	return context->picture_format;
+}