Merge commit 'origin/gallium-0.2' into gallium-xlib-rework

9 files changed, 207 insertions, 2563 deletions

diff --git a/src/gallium/state_trackers/g3dvl/Makefile b/src/gallium/state_trackers/g3dvl/Makefile
index 4f7a953484..cddfca54fe 100644
--- a/src/gallium/state_trackers/g3dvl/Makefile
+++ b/src/gallium/state_trackers/g3dvl/Makefile
@@ -1,9 +1,12 @@
 TARGET		= libg3dvl.a
 OBJECTS		= vl_display.o vl_screen.o vl_context.o vl_surface.o vl_shader_build.o vl_util.o vl_basic_csc.o	\
-		  vl_r16snorm_mc.o vl_r16snorm_mc_buf.o
+		  vl_r16snorm_mc_buf.o
 GALLIUMDIR	= ../..
 
-CFLAGS		+= -g -Wall -fPIC -I${GALLIUMDIR}/include -I${GALLIUMDIR}/auxiliary -I${GALLIUMDIR}/winsys/g3dvl
+CFLAGS		+= -g -Wall -Werror=implicit-function-declaration -fPIC	\
+		   -I${GALLIUMDIR}/include				\
+		   -I${GALLIUMDIR}/auxiliary				\
+		   -I${GALLIUMDIR}/winsys/g3dvl				\
 
 #############################################
 
diff --git a/src/gallium/state_trackers/g3dvl/vl_basic_csc.c b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
index e3b3d03256..3ce93cf49d 100644
--- a/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
+++ b/src/gallium/state_trackers/g3dvl/vl_basic_csc.c
@@ -1,13 +1,13 @@
 #define VL_INTERNAL
 #include "vl_basic_csc.h"
 #include <assert.h>
-#include <stdlib.h>
 #include <pipe/p_context.h>
 #include <pipe/p_winsys.h>
 #include <pipe/p_state.h>
 #include <pipe/p_inlines.h>
 #include <tgsi/tgsi_parse.h>
 #include <tgsi/tgsi_build.h>
+#include <util/u_memory.h>
 #include "vl_csc.h"
 #include "vl_surface.h"
 #include "vl_shader_build.h"
@@ -237,7 +237,7 @@ static int vlDestroy
 	pipe->winsys->buffer_destroy(pipe->winsys, basic_csc->vs_const_buf.buffer);
 	pipe->winsys->buffer_destroy(pipe->winsys, basic_csc->fs_const_buf.buffer);
 
-	free(basic_csc);
+	FREE(basic_csc);
 
 	return 0;
 }
@@ -369,7 +369,7 @@ static int vlCreateVertexShader
 	assert(context);
 
 	pipe = csc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+	tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token));
 
 	/* Version */
 	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
@@ -430,7 +430,7 @@ static int vlCreateVertexShader
 
 	vs.tokens = tokens;
 	csc->vertex_shader = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
+	FREE(tokens);
 
 	return 0;
 }
@@ -456,7 +456,7 @@ static int vlCreateFragmentShader
 	assert(context);
 
 	pipe = csc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
+	tokens = (struct tgsi_token*)MALLOC(max_tokens * sizeof(struct tgsi_token));
 
 	/* Version */
 	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
@@ -517,7 +517,7 @@ static int vlCreateFragmentShader
 
 	fs.tokens = tokens;
 	csc->fragment_shader = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
+	FREE(tokens);
 
 	return 0;
 }
@@ -626,7 +626,7 @@ static int vlCreateDataBufs
 	memcpy
 	(
 		pipe->winsys->buffer_map(pipe->winsys, csc->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		&bt_601,
+		&bt_601_full,
 		sizeof(struct vlFragmentShaderConsts)
 	);
 
@@ -691,7 +691,7 @@ int vlCreateBasicCSC
 	assert(pipe);
 	assert(csc);
 
-	basic_csc = calloc(1, sizeof(struct vlBasicCSC));
+	basic_csc = CALLOC_STRUCT(vlBasicCSC);
 
 	if (!basic_csc)
 		return 1;
diff --git a/src/gallium/state_trackers/g3dvl/vl_context.c b/src/gallium/state_trackers/g3dvl/vl_context.c
index fe107e406d..fbea1363d8 100644
--- a/src/gallium/state_trackers/g3dvl/vl_context.c
+++ b/src/gallium/state_trackers/g3dvl/vl_context.c
@@ -1,11 +1,10 @@
 #define VL_INTERNAL
 #include "vl_context.h"
 #include <assert.h>
-#include <stdlib.h>
 #include <pipe/p_context.h>
 #include <pipe/p_state.h>
+#include <util/u_memory.h>
 #include "vl_render.h"
-#include "vl_r16snorm_mc.h"
 #include "vl_r16snorm_mc_buf.h"
 #include "vl_csc.h"
 #include "vl_basic_csc.h"
@@ -112,7 +111,7 @@ int vlCreateContext
 	assert(context);
 	assert(pipe);
 
-	ctx = calloc(1, sizeof(struct vlContext));
+	ctx = CALLOC_STRUCT(vlContext);
 
 	if (!ctx)
 		return 1;
@@ -127,7 +126,6 @@ int vlCreateContext
 
 	vlInitCommon(ctx);
 
-	/*vlCreateR16SNormMC(pipe, picture_width, picture_height, picture_format, &ctx->render);*/
 	vlCreateR16SNormBufferedMC(pipe, picture_width, picture_height, picture_format, &ctx->render);
 	vlCreateBasicCSC(pipe, &ctx->csc);
 
@@ -154,7 +152,7 @@ int vlDestroyContext
 	context->pipe->delete_rasterizer_state(context->pipe, context->raster);
 	context->pipe->delete_depth_stencil_alpha_state(context->pipe, context->dsa);
 
-	free(context);
+	FREE(context);
 
 	return 0;
 }
diff --git a/src/gallium/state_trackers/g3dvl/vl_display.c b/src/gallium/state_trackers/g3dvl/vl_display.c
index af80faa7f5..dce06de758 100644
--- a/src/gallium/state_trackers/g3dvl/vl_display.c
+++ b/src/gallium/state_trackers/g3dvl/vl_display.c
@@ -1,7 +1,7 @@
 #define VL_INTERNAL
 #include "vl_display.h"
 #include <assert.h>
-#include <stdlib.h>
+#include <util/u_memory.h>
 
 int vlCreateDisplay
 (
@@ -14,7 +14,7 @@ int vlCreateDisplay
 	assert(native_display);
 	assert(display);
 
-	dpy = calloc(1, sizeof(struct vlDisplay));
+	dpy = CALLOC_STRUCT(vlDisplay);
 
 	if (!dpy)
 		return 1;
@@ -32,7 +32,7 @@ int vlDestroyDisplay
 {
 	assert(display);
 
-	free(display);
+	FREE(display);
 
 	return 0;
 }
diff --git a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c
deleted file mode 100644
index 3272220ef8..0000000000
--- a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.c
+++ /dev/null
@@ -1,2344 +0,0 @@
-#define VL_INTERNAL
-#include "vl_r16snorm_mc.h"
-#include <assert.h>
-#include <stdlib.h>
-#include <pipe/p_context.h>
-#include <pipe/p_winsys.h>
-#include <pipe/p_state.h>
-#include <pipe/p_inlines.h>
-#include <tgsi/tgsi_parse.h>
-#include <tgsi/tgsi_build.h>
-#include "vl_render.h"
-#include "vl_shader_build.h"
-#include "vl_surface.h"
-#include "vl_util.h"
-#include "vl_types.h"
-#include "vl_defs.h"
-
-#define NUM_BUFS 4	/* Number of rotating buffers to use */
-
-struct vlVertexShaderConsts
-{
-	/*struct vlVertex4f scale;
-	struct vlVertex4f denorm;*/
-	struct vlVertex4f	scale;
-	struct vlVertex4f	mb_pos_trans;
-	struct vlVertex4f	denorm;
-	struct
-	{
-		struct vlVertex4f	top_field;
-		struct vlVertex4f	bottom_field;
-	} mb_tc_trans[2];
-};
-
-struct vlFragmentShaderConsts
-{
-	struct vlVertex4f multiplier;
-	struct vlVertex4f div;
-};
-
-struct vlR16SnormMC
-{
-	struct vlRender				base;
-
-	unsigned int				video_width, video_height;
-	enum vlFormat				video_format;
-	unsigned int				cur_buf;
-
-	struct pipe_context			*pipe;
-	struct pipe_viewport_state		viewport;
-	struct pipe_framebuffer_state		render_target;
-	struct pipe_sampler_state		*samplers[5];
-	struct pipe_texture			*textures[NUM_BUFS][5];
-	void					*i_vs, *p_vs[2], *b_vs[2];
-	void					*i_fs, *p_fs[2], *b_fs[2];
-	struct pipe_vertex_buffer 		vertex_bufs[3];
-	struct pipe_vertex_element		vertex_elems[3];
-	struct pipe_constant_buffer		vs_const_buf, fs_const_buf;
-};
-
-static int vlBegin
-(
-	struct vlRender *render
-)
-{
-	struct vlR16SnormMC	*mc;
-	struct pipe_context	*pipe;
-
-	assert(render);
-
-	mc = (struct vlR16SnormMC*)render;
-	pipe = mc->pipe;
-
-	/* Frame buffer set in vlRender*Macroblock() */
-	/* Shaders, samplers, textures set in vlRender*Macroblock() */
-	pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs);
-	pipe->set_vertex_elements(pipe, 3, mc->vertex_elems);
-	pipe->set_viewport_state(pipe, &mc->viewport);
-	pipe->set_constant_buffer(pipe, PIPE_SHADER_VERTEX, 0, &mc->vs_const_buf);
-	pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, &mc->fs_const_buf);
-
-	return 0;
-}
-
-/*static int vlGrabMacroBlock
-(
-	struct vlR16SnormMC *mc,
-	struct vlMpeg2MacroBlock *macroblock
-)
-{
-	assert(mc);
-	assert(macroblock);
-
-
-
-	return 0;
-}*/
-
-/*#define DO_IDCT*/
-
-#ifdef DO_IDCT
-static int vlTransformBlock(short *src, short *dst, short bias)
-{
-	static const float basis[8][8] =
-	{
-		{0.3536,   0.4904,   0.4619,   0.4157,   0.3536,   0.2778,   0.1913,   0.0975},
-		{0.3536,   0.4157,   0.1913,  -0.0975,  -0.3536,  -0.4904,  -0.4619,  -0.2778},
-		{0.3536,   0.2778,  -0.1913,  -0.4904,  -0.3536,   0.0975,   0.4619,   0.4157},
-		{0.3536,   0.0975,  -0.4619,  -0.2778,   0.3536,   0.4157,  -0.1913,  -0.4904},
-		{0.3536,  -0.0975,  -0.4619,   0.2778,   0.3536,  -0.4157,  -0.1913,   0.4904},
-		{0.3536,  -0.2778,  -0.1913,   0.4904,  -0.3536,  -0.0975,   0.4619,  -0.4157},
-		{0.3536,  -0.4157,   0.1913,   0.0975,  -0.3536,   0.4904,  -0.4619,   0.2778},
-		{0.3536,  -0.4904,   0.4619,  -0.4157,   0.3536,  -0.2778,   0.1913,  -0.0975}
-	};
-
-	unsigned int	x, y;
-	short		tmp[64];
-
-	for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
-		for (x = 0; x < VL_BLOCK_WIDTH; ++x)
-			tmp[y * VL_BLOCK_WIDTH + x] = (short)
-			(
-				src[y * VL_BLOCK_WIDTH + 0] * basis[x][0] +
-				src[y * VL_BLOCK_WIDTH + 1] * basis[x][1] +
-				src[y * VL_BLOCK_WIDTH + 2] * basis[x][2] +
-				src[y * VL_BLOCK_WIDTH + 3] * basis[x][3] +
-				src[y * VL_BLOCK_WIDTH + 4] * basis[x][4] +
-				src[y * VL_BLOCK_WIDTH + 5] * basis[x][5] +
-				src[y * VL_BLOCK_WIDTH + 6] * basis[x][6] +
-				src[y * VL_BLOCK_WIDTH + 7] * basis[x][7]
-			);
-
-	for (x = 0; x < VL_BLOCK_WIDTH; ++x)
-		for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
-		{
-			dst[y * VL_BLOCK_WIDTH + x] = bias + (short)
-			(
-				tmp[0 * VL_BLOCK_WIDTH + x] * basis[y][0] +
-				tmp[1 * VL_BLOCK_WIDTH + x] * basis[y][1] +
-				tmp[2 * VL_BLOCK_WIDTH + x] * basis[y][2] +
-				tmp[3 * VL_BLOCK_WIDTH + x] * basis[y][3] +
-				tmp[4 * VL_BLOCK_WIDTH + x] * basis[y][4] +
-				tmp[5 * VL_BLOCK_WIDTH + x] * basis[y][5] +
-				tmp[6 * VL_BLOCK_WIDTH + x] * basis[y][6] +
-				tmp[7 * VL_BLOCK_WIDTH + x] * basis[y][7]
-			);
-			if (dst[y * VL_BLOCK_WIDTH + x] > 255)
-				dst[y * VL_BLOCK_WIDTH + x] = 255;
-			else if (bias > 0 && dst[y * VL_BLOCK_WIDTH + x] < 0)
-				dst[y * VL_BLOCK_WIDTH + x] = 0;
-		}
-	return 0;
-}
-#endif
-
-static int vlGrabFrameCodedBlock(short *src, short *dst, unsigned int dst_pitch)
-{
-	unsigned int y;
-
-	for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
-		memcpy
-		(
-			dst + y * dst_pitch,
-			src + y * VL_BLOCK_WIDTH,
-			VL_BLOCK_WIDTH * 2
-		);
-
-	return 0;
-}
-
-static int vlGrabFieldCodedBlock(short *src, short *dst, unsigned int dst_pitch)
-{
-	unsigned int y;
-
-	for (y = 0; y < VL_BLOCK_HEIGHT / 2; ++y)
-		memcpy
-		(
-			dst + y * dst_pitch * 2,
-			src + y * VL_BLOCK_WIDTH,
-			VL_BLOCK_WIDTH * 2
-		);
-
-	dst += VL_BLOCK_HEIGHT * dst_pitch;
-
-	for (; y < VL_BLOCK_HEIGHT; ++y)
-		memcpy
-		(
-			dst + y * dst_pitch * 2,
-			src + y * VL_BLOCK_WIDTH,
-			VL_BLOCK_WIDTH * 2
-		);
-
-	return 0;
-}
-
-static int vlGrabNoBlock(short *dst, unsigned int dst_pitch)
-{
-	unsigned int y;
-
-	for (y = 0; y < VL_BLOCK_HEIGHT; ++y)
-		memset
-		(
-			dst + y * dst_pitch,
-			0,
-			VL_BLOCK_WIDTH * 2
-		);
-
-	return 0;
-}
-
-enum vlSampleType
-{
-	vlSampleTypeFull,
-	vlSampleTypeDiff
-};
-
-static int vlGrabBlocks
-(
-	struct vlR16SnormMC *mc,
-	unsigned int coded_block_pattern,
-	enum vlDCTType dct_type,
-	enum vlSampleType sample_type,
-	short *blocks
-)
-{
-	struct pipe_surface	*tex_surface;
-	short			*texels;
-	unsigned int		tex_pitch;
-	unsigned int		tb, sb = 0;
-
-	assert(mc);
-	assert(blocks);
-
-	tex_surface = mc->pipe->screen->get_tex_surface
-	(
-		mc->pipe->screen,
-		mc->textures[mc->cur_buf % NUM_BUFS][0],
-		0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
-	);
-
-	texels = pipe_surface_map(tex_surface, PIPE_BUFFER_USAGE_CPU_WRITE);
-	tex_pitch = tex_surface->stride / tex_surface->block.size;
-
-	for (tb = 0; tb < 4; ++tb)
-	{
-		if ((coded_block_pattern >> (5 - tb)) & 1)
-		{
-			short *cur_block = blocks + sb * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
-
-#ifdef DO_IDCT
-			vlTransformBlock(cur_block, cur_block, sample_type == vlSampleTypeFull ? 128 : 0);
-#endif
-
-			if (dct_type == vlDCTTypeFrameCoded)
-				vlGrabFrameCodedBlock
-				(
-					cur_block,
-					texels + tb * tex_pitch * VL_BLOCK_HEIGHT,
-					tex_pitch
-				);
-			else
-				vlGrabFieldCodedBlock
-				(
-					cur_block,
-					texels + (tb % 2) * tex_pitch * VL_BLOCK_HEIGHT + (tb / 2) * tex_pitch,
-					tex_pitch
-				);
-
-			++sb;
-		}
-		else
-			vlGrabNoBlock(texels + tb * tex_pitch * VL_BLOCK_HEIGHT, tex_pitch);
-	}
-
-	pipe_surface_unmap(tex_surface);
-
-	/* TODO: Implement 422, 444 */
-	for (tb = 0; tb < 2; ++tb)
-	{
-		tex_surface = mc->pipe->screen->get_tex_surface
-		(
-			mc->pipe->screen,
-			mc->textures[mc->cur_buf % NUM_BUFS][tb + 1],
-			0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
-		);
-
-		texels = pipe_surface_map(tex_surface, PIPE_BUFFER_USAGE_CPU_WRITE);
-		tex_pitch = tex_surface->stride / tex_surface->block.size;
-
-		if ((coded_block_pattern >> (1 - tb)) & 1)
-		{
-			short *cur_block = blocks + sb * VL_BLOCK_WIDTH * VL_BLOCK_HEIGHT;
-
-#ifdef DO_IDCT
-			vlTransformBlock(cur_block, cur_block, sample_type == vlSampleTypeFull ? 128 : 0);
-#endif
-
-			vlGrabFrameCodedBlock
-			(
-				cur_block,
-				texels,
-				tex_pitch
-			);
-
-			++sb;
-		}
-		else
-			vlGrabNoBlock(texels, tex_pitch);
-
-		pipe_surface_unmap(tex_surface);
-	}
-
-	return 0;
-}
-
-static int vlRenderIMacroBlock
-(
-	struct vlR16SnormMC *mc,
-	enum vlPictureType picture_type,
-	enum vlFieldOrder field_order,
-	unsigned int mbx,
-	unsigned int mby,
-	unsigned int coded_block_pattern,
-	enum vlDCTType dct_type,
-	short *blocks,
-	struct vlSurface *surface
-)
-{
-	struct pipe_context		*pipe;
-	struct vlVertexShaderConsts	*vs_consts;
-
-	assert(blocks);
-	assert(surface);
-
-	/* TODO: Implement interlaced rendering */
-	if (picture_type != vlPictureTypeFrame)
-		return 0;
-
-	vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeFull, blocks);
-
-	pipe = mc->pipe;
-
-	vs_consts = pipe->winsys->buffer_map
-	(
-		pipe->winsys,
-		mc->vs_const_buf.buffer,
-		PIPE_BUFFER_USAGE_CPU_WRITE
-	);
-
-	vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
-	vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
-	vs_consts->scale.z = 1.0f;
-	vs_consts->scale.w = 1.0f;
-	vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
-	vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
-	vs_consts->mb_pos_trans.z = 0.0f;
-	vs_consts->mb_pos_trans.w = 0.0f;
-
-	pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
-
-	mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
-	(
-		pipe->screen,
-		surface->texture,
-		0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
-	);
-	pipe->set_framebuffer_state(pipe, &mc->render_target);
-	pipe->set_sampler_textures(pipe, 3, mc->textures[mc->cur_buf % NUM_BUFS]);
-	pipe->bind_sampler_states(pipe, 3, (void**)mc->samplers);
-	pipe->bind_vs_state(pipe, mc->i_vs);
-	pipe->bind_fs_state(pipe, mc->i_fs);
-
-	pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
-
-	mc->cur_buf++;
-
-	return 0;
-}
-
-static int vlRenderPMacroBlock
-(
-	struct vlR16SnormMC *mc,
-	enum vlPictureType picture_type,
-	enum vlFieldOrder field_order,
-	unsigned int mbx,
-	unsigned int mby,
-	enum vlMotionType mc_type,
-	short top_x,
-	short top_y,
-	short bottom_x,
-	short bottom_y,
-	unsigned int coded_block_pattern,
-	enum vlDCTType dct_type,
-	short *blocks,
-	struct vlSurface *ref_surface,
-	struct vlSurface *surface
-)
-{
-	struct pipe_context		*pipe;
-	struct vlVertexShaderConsts	*vs_consts;
-
-	assert(motion_vectors);
-	assert(blocks);
-	assert(ref_surface);
-	assert(surface);
-
-	/* TODO: Implement interlaced rendering */
-	if (picture_type != vlPictureTypeFrame)
-		return 0;
-	/* TODO: Implement other MC types */
-	if (mc_type != vlMotionTypeFrame && mc_type != vlMotionTypeField)
-		return 0;
-
-	vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeDiff, blocks);
-
-	pipe = mc->pipe;
-
-	vs_consts = pipe->winsys->buffer_map
-	(
-		pipe->winsys,
-		mc->vs_const_buf.buffer,
-		PIPE_BUFFER_USAGE_CPU_WRITE
-	);
-
-	vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
-	vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
-	vs_consts->scale.z = 1.0f;
-	vs_consts->scale.w = 1.0f;
-	vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
-	vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
-	vs_consts->mb_pos_trans.z = 0.0f;
-	vs_consts->mb_pos_trans.w = 0.0f;
-	vs_consts->mb_tc_trans[0].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_x * 0.5f) / (float)surface->texture->width[0];
-	vs_consts->mb_tc_trans[0].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_y * 0.5f) / (float)surface->texture->height[0];
-	vs_consts->mb_tc_trans[0].top_field.z = 0.0f;
-	vs_consts->mb_tc_trans[0].top_field.w = 0.0f;
-
-	if (mc_type == vlMotionTypeField)
-	{
-		vs_consts->denorm.x = (float)surface->texture->width[0];
-		vs_consts->denorm.y = (float)surface->texture->height[0];
-
-		vs_consts->mb_tc_trans[0].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_x * 0.5f) / (float)surface->texture->width[0];
-		vs_consts->mb_tc_trans[0].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_y * 0.5f) / (float)surface->texture->height[0];
-		vs_consts->mb_tc_trans[0].bottom_field.z = 0.0f;
-		vs_consts->mb_tc_trans[0].bottom_field.w = 0.0f;
-
-		pipe->bind_vs_state(pipe, mc->p_vs[1]);
-		pipe->bind_fs_state(pipe, mc->p_fs[1]);
-	}
-	else
-	{
-		pipe->bind_vs_state(pipe, mc->p_vs[0]);
-		pipe->bind_fs_state(pipe, mc->p_fs[0]);
-	}
-
-	pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
-
-	mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
-	(
-		pipe->screen,
-		surface->texture,
-		0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
-	);
-	pipe->set_framebuffer_state(pipe, &mc->render_target);
-
-	mc->textures[mc->cur_buf % NUM_BUFS][3] = ref_surface->texture;
-	pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUFS]);
-	pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
-
-	pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
-
-	mc->cur_buf++;
-
-	return 0;
-}
-
-static int vlRenderBMacroBlock
-(
-	struct vlR16SnormMC *mc,
-	enum vlPictureType picture_type,
-	enum vlFieldOrder field_order,
-	unsigned int mbx,
-	unsigned int mby,
-	enum vlMotionType mc_type,
-	short top_past_x,
-	short top_past_y,
-	short bottom_past_x,
-	short bottom_past_y,
-	short top_future_x,
-	short top_future_y,
-	short bottom_future_x,
-	short bottom_future_y,
-	unsigned int coded_block_pattern,
-	enum vlDCTType dct_type,
-	short *blocks,
-	struct vlSurface *past_surface,
-	struct vlSurface *future_surface,
-	struct vlSurface *surface
-)
-{
-	struct pipe_context		*pipe;
-	struct vlVertexShaderConsts	*vs_consts;
-
-	assert(motion_vectors);
-	assert(blocks);
-	assert(ref_surface);
-	assert(surface);
-
-	/* TODO: Implement interlaced rendering */
-	if (picture_type != vlPictureTypeFrame)
-		return 0;
-	/* TODO: Implement other MC types */
-	if (mc_type != vlMotionTypeFrame && mc_type != vlMotionTypeField)
-		return 0;
-
-	vlGrabBlocks(mc, coded_block_pattern, dct_type, vlSampleTypeDiff, blocks);
-
-	pipe = mc->pipe;
-
-	vs_consts = pipe->winsys->buffer_map
-	(
-		pipe->winsys,
-		mc->vs_const_buf.buffer,
-		PIPE_BUFFER_USAGE_CPU_WRITE
-	);
-
-	vs_consts->scale.x = VL_MACROBLOCK_WIDTH / (float)surface->texture->width[0];
-	vs_consts->scale.y = VL_MACROBLOCK_HEIGHT / (float)surface->texture->height[0];
-	vs_consts->scale.z = 1.0f;
-	vs_consts->scale.w = 1.0f;
-	vs_consts->mb_pos_trans.x = (mbx * VL_MACROBLOCK_WIDTH) / (float)surface->texture->width[0];
-	vs_consts->mb_pos_trans.y = (mby * VL_MACROBLOCK_HEIGHT) / (float)surface->texture->height[0];
-	vs_consts->mb_pos_trans.z = 0.0f;
-	vs_consts->mb_pos_trans.w = 0.0f;
-	vs_consts->mb_tc_trans[0].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_past_x * 0.5f) / (float)surface->texture->width[0];
-	vs_consts->mb_tc_trans[0].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_past_y * 0.5f) / (float)surface->texture->height[0];
-	vs_consts->mb_tc_trans[0].top_field.z = 0.0f;
-	vs_consts->mb_tc_trans[0].top_field.w = 0.0f;
-	vs_consts->mb_tc_trans[1].top_field.x = (mbx * VL_MACROBLOCK_WIDTH + top_future_x * 0.5f) / (float)surface->texture->width[0];
-	vs_consts->mb_tc_trans[1].top_field.y = (mby * VL_MACROBLOCK_HEIGHT + top_future_y * 0.5f) / (float)surface->texture->height[0];
-	vs_consts->mb_tc_trans[1].top_field.z = 0.0f;
-	vs_consts->mb_tc_trans[1].top_field.w = 0.0f;
-
-	if (mc_type == vlMotionTypeField)
-	{
-		vs_consts->denorm.x = (float)surface->texture->width[0];
-		vs_consts->denorm.y = (float)surface->texture->height[0];
-
-		vs_consts->mb_tc_trans[0].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_past_x * 0.5f) / (float)surface->texture->width[0];
-		vs_consts->mb_tc_trans[0].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_past_y * 0.5f) / (float)surface->texture->height[0];
-		vs_consts->mb_tc_trans[0].bottom_field.z = 0.0f;
-		vs_consts->mb_tc_trans[0].bottom_field.w = 0.0f;
-		vs_consts->mb_tc_trans[1].bottom_field.x = (mbx * VL_MACROBLOCK_WIDTH + bottom_future_x * 0.5f) / (float)surface->texture->width[0];
-		vs_consts->mb_tc_trans[1].bottom_field.y = (mby * VL_MACROBLOCK_HEIGHT + bottom_future_y * 0.5f) / (float)surface->texture->height[0];
-		vs_consts->mb_tc_trans[1].bottom_field.z = 0.0f;
-		vs_consts->mb_tc_trans[1].bottom_field.w = 0.0f;
-
-		pipe->bind_vs_state(pipe, mc->b_vs[1]);
-		pipe->bind_fs_state(pipe, mc->b_fs[1]);
-	}
-	else
-	{
-		pipe->bind_vs_state(pipe, mc->b_vs[0]);
-		pipe->bind_fs_state(pipe, mc->b_fs[0]);
-	}
-
-	pipe->winsys->buffer_unmap(pipe->winsys, mc->vs_const_buf.buffer);
-
-	mc->render_target.cbufs[0] = pipe->screen->get_tex_surface
-	(
-		pipe->screen,
-		surface->texture,
-		0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE
-	);
-	pipe->set_framebuffer_state(pipe, &mc->render_target);
-
-	mc->textures[mc->cur_buf % NUM_BUFS][3] = past_surface->texture;
-	mc->textures[mc->cur_buf % NUM_BUFS][4] = future_surface->texture;
-	pipe->set_sampler_textures(pipe, 5, mc->textures[mc->cur_buf % NUM_BUFS]);
-	pipe->bind_sampler_states(pipe, 5, (void**)mc->samplers);
-
-	pipe->draw_arrays(pipe, PIPE_PRIM_TRIANGLES, 0, 24);
-
-	mc->cur_buf++;
-
-	return 0;
-}
-
-static int vlRenderMacroBlocksMpeg2R16Snorm
-(
-	struct vlRender *render,
-	struct vlMpeg2MacroBlockBatch *batch,
-	struct vlSurface *surface
-)
-{
-	struct vlR16SnormMC	*mc;
-	unsigned int		i;
-
-	assert(render);
-
-	mc = (struct vlR16SnormMC*)render;
-
-	/*for (i = 0; i < batch->num_macroblocks; ++i)
-		vlGrabMacroBlock(batch->macroblocks[i]);*/
-
-	for (i = 0; i < batch->num_macroblocks; ++i)
-	{
-		switch (batch->macroblocks[i].mb_type)
-		{
-			case vlMacroBlockTypeIntra:
-			{
-				vlRenderIMacroBlock
-				(
-					mc,
-					batch->picture_type,
-					batch->field_order,
-					batch->macroblocks[i].mbx,
-					batch->macroblocks[i].mby,
-					batch->macroblocks[i].cbp,
-					batch->macroblocks[i].dct_type,
-					batch->macroblocks[i].blocks,
-					surface
-				);
-				break;
-			}
-			case vlMacroBlockTypeFwdPredicted:
-			{
-				vlRenderPMacroBlock
-				(
-					mc,
-					batch->picture_type,
-					batch->field_order,
-					batch->macroblocks[i].mbx,
-					batch->macroblocks[i].mby,
-					batch->macroblocks[i].mo_type,
-					batch->macroblocks[i].PMV[0][0][0],
-					batch->macroblocks[i].PMV[0][0][1],
-					batch->macroblocks[i].PMV[1][0][0],
-					batch->macroblocks[i].PMV[1][0][1],
-					batch->macroblocks[i].cbp,
-					batch->macroblocks[i].dct_type,
-					batch->macroblocks[i].blocks,
-					batch->past_surface,
-					surface
-				);
-				break;
-			}
-			case vlMacroBlockTypeBkwdPredicted:
-			{
-				vlRenderPMacroBlock
-				(
-					mc,
-					batch->picture_type,
-					batch->field_order,
-					batch->macroblocks[i].mbx,
-					batch->macroblocks[i].mby,
-					batch->macroblocks[i].mo_type,
-					batch->macroblocks[i].PMV[0][1][0],
-					batch->macroblocks[i].PMV[0][1][1],
-					batch->macroblocks[i].PMV[1][1][0],
-					batch->macroblocks[i].PMV[1][1][1],
-					batch->macroblocks[i].cbp,
-					batch->macroblocks[i].dct_type,
-					batch->macroblocks[i].blocks,
-					batch->future_surface,
-					surface
-				);
-				break;
-			}
-			case vlMacroBlockTypeBiPredicted:
-			{
-				vlRenderBMacroBlock
-				(
-					mc,
-					batch->picture_type,
-					batch->field_order,
-					batch->macroblocks[i].mbx,
-					batch->macroblocks[i].mby,
-					batch->macroblocks[i].mo_type,
-					batch->macroblocks[i].PMV[0][0][0],
-					batch->macroblocks[i].PMV[0][0][1],
-					batch->macroblocks[i].PMV[1][0][0],
-					batch->macroblocks[i].PMV[1][0][1],
-					batch->macroblocks[i].PMV[0][1][0],
-					batch->macroblocks[i].PMV[0][1][1],
-					batch->macroblocks[i].PMV[1][1][0],
-					batch->macroblocks[i].PMV[1][1][1],
-					batch->macroblocks[i].cbp,
-					batch->macroblocks[i].dct_type,
-					batch->macroblocks[i].blocks,
-					batch->past_surface,
-					batch->future_surface,
-					surface
-				);
-				break;
-			}
-			default:
-				assert(0);
-		}
-	}
-
-	return 0;
-}
-
-static int vlEnd
-(
-	struct vlRender *render
-)
-{
-	assert(render);
-
-	return 0;
-}
-
-static int vlFlush
-(
-	struct vlRender *render
-)
-{
-	assert(render);
-
-	return 0;
-}
-
-static int vlDestroy
-(
-	struct vlRender *render
-)
-{
-	struct vlR16SnormMC	*mc;
-	struct pipe_context	*pipe;
-	unsigned int		i;
-
-	assert(render);
-
-	mc = (struct vlR16SnormMC*)render;
-	pipe = mc->pipe;
-
-	for (i = 0; i < 5; ++i)
-		pipe->delete_sampler_state(pipe, mc->samplers[i]);
-
-	for (i = 0; i < 3; ++i)
-		pipe->winsys->buffer_destroy(pipe->winsys, mc->vertex_bufs[i].buffer);
-
-	/* Textures 3 & 4 are not created directly, no need to release them here */
-	for (i = 0; i < NUM_BUFS; ++i)
-	{
-		pipe_texture_release(&mc->textures[i][0]);
-		pipe_texture_release(&mc->textures[i][1]);
-		pipe_texture_release(&mc->textures[i][2]);
-	}
-
-	pipe->delete_vs_state(pipe, mc->i_vs);
-	pipe->delete_fs_state(pipe, mc->i_fs);
-
-	for (i = 0; i < 2; ++i)
-	{
-		pipe->delete_vs_state(pipe, mc->p_vs[i]);
-		pipe->delete_fs_state(pipe, mc->p_fs[i]);
-		pipe->delete_vs_state(pipe, mc->b_vs[i]);
-		pipe->delete_fs_state(pipe, mc->b_fs[i]);
-	}
-
-	pipe->winsys->buffer_destroy(pipe->winsys, mc->vs_const_buf.buffer);
-	pipe->winsys->buffer_destroy(pipe->winsys, mc->fs_const_buf.buffer);
-
-	free(mc);
-
-	return 0;
-}
-
-/*
- * Represents 8 triangles (4 quads, 1 per block) in noormalized coords
- * that render a macroblock.
- * Need to be scaled to cover mbW*mbH macroblock pixels and translated into
- * position on target surface.
- */
-static const struct vlVertex2f macroblock_verts[24] =
-{
-	{0.0f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.0f},
-	{0.5f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.5f},
-
-	{0.5f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.0f},
-	{1.0f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.5f},
-
-	{0.0f, 0.5f}, {0.0f, 1.0f}, {0.5f, 0.5f},
-	{0.5f, 0.5f}, {0.0f, 1.0f}, {0.5f, 1.0f},
-
-	{0.5f, 0.5f}, {0.5f, 1.0f}, {1.0f, 0.5f},
-	{1.0f, 0.5f}, {0.5f, 1.0f}, {1.0f, 1.0f}
-};
-
-/*
- * Represents texcoords for the above for rendering 4 luma blocks arranged
- * in a bW*(bH*4) texture. First luma block located at 0,0->bW,bH; second at
- * 0,bH->bW,2bH; third at 0,2bH->bW,3bH; fourth at 0,3bH->bW,4bH.
- */
-static const struct vlVertex2f macroblock_luma_texcoords[24] =
-{
-	{0.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.0f},
-	{1.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.25f},
-
-	{0.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.25f},
-	{1.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.5f},
-
-	{0.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.5f},
-	{1.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.75f},
-
-	{0.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 0.75f},
-	{1.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 1.0f}
-};
-
-/*
- * Represents texcoords for the above for rendering 1 chroma block.
- * Straight forward 0,0->1,1 mapping so we can reuse the MB pos vectors.
- */
-static const struct vlVertex2f *macroblock_chroma_420_texcoords = macroblock_verts;
-
-/*
- * Represents texcoords for the above for rendering 2 chroma blocks arranged
- * in a bW*(bH*2) texture. First chroma block located at 0,0->bW,bH; second at
- * 0,bH->bW,2bH. We can render this with 0,0->1,1 mapping.
- * Straight forward 0,0->1,1 mapping so we can reuse MB pos vectors.
- */
-static const struct vlVertex2f *macroblock_chroma_422_texcoords = macroblock_verts;
-
-/*
- * Represents texcoords for the above for rendering 4 chroma blocks.
- * Same case as 4 luma blocks.
- */
-static const struct vlVertex2f *macroblock_chroma_444_texcoords = macroblock_luma_texcoords;
-
-/*
- * Used when rendering P and B macroblocks, multiplier is applied to the A channel,
- * which is then added to the L channel, then the bias is subtracted from that to
- * get back the differential. The differential is then added to the samples from the
- * reference surface(s).
- */
-static const struct vlFragmentShaderConsts fs_consts =
-{
-	{32767.0f / 255.0f, 32767.0f / 255.0f, 32767.0f / 255.0f, 0.0f},
-	{0.5f, 2.0f, 0.0f, 0.0f}
-};
-
-static int vlCreateVertexShaderIMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 50;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	vs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0		; Vertex pos
-	 * decl i1		; Luma texcoords
-	 * decl i2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0		; Scaling vector to scale unit rect to macroblock size
-	 * decl c1		; Translation vector to move macroblock into position
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Luma texcoords
-	 * decl o2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl t0 */
-	decl = vl_decl_temps(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t0, i0, c0	; Scale unit rect to normalized MB size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, c1	; Translate rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * mov o1, i1		; Move input luma texcoords to output
-	 * mov o2, i2		; Move input chroma texcoords to output
-	 */
-	for (i = 1; i < 3; ++i)
-	{
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	vs.tokens = tokens;
-	mc->i_vs = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateFragmentShaderIMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	fs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0			; Texcoords for s0
-	 * decl i1			; Texcoords for s1, s2
-	 */
-	for (i = 0; i < 2; ++i)
-	{
-		decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl c0			; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0			; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl t0, t1 */
-	decl = vl_decl_temps(0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl s0			; Sampler for luma texture
-	 * decl s1			; Sampler for chroma Cb texture
-	 * decl s2			; Sampler for chroma Cr texture
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		decl = vl_decl_samplers(i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header,max_tokens - ti);
-	}
-
-	/*
-	 * tex2d t1, i0, s0		; Read texel from luma texture
-	 * mov t0.x, t1.x		; Move luma sample into .x component
-	 * tex2d t1, i1, s1		; Read texel from chroma Cb texture
-	 * mov t0.y, t1.x		; Move Cb sample into .y component
-	 * tex2d t1, i1, s2		; Read texel from chroma Cr texture
-	 * mov t0.z, t1.x		; Move Cr sample into .z component
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, TGSI_FILE_SAMPLER, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	}
-
-	/* mul o0, t0, c0		; Rescale texel to correct range */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	mc->i_fs = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateVertexShaderFramePMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	vs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0		; Vertex pos
-	 * decl i1		; Luma texcoords
-	 * decl i2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0		; Scaling vector to scale unit rect to macroblock size
-	 * decl c1		; Translation vector to move macroblock into position
-	 * decl c2		; Unused
-	 * decl c3		; Translation vector to move ref macroblock texcoords into position
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 3);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Luma texcoords
-	 * decl o2		; Chroma texcoords
-	 * decl o3		; Ref macroblock texcoords
-	 */
-	for (i = 0; i < 4; i++)
-	{
-		decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl t0 */
-	decl = vl_decl_temps(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t0, i0, c0	; Scale unit rect to normalized MB size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, c1	; Translate rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * mov o1, i1		; Move input luma texcoords to output
-	 * mov o2, i2		; Move input chroma texcoords to output
-	 */
-	for (i = 1; i < 3; ++i)
-	{
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* add o3, t0, c3	; Translate rect into position on ref macroblock */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	vs.tokens = tokens;
-	mc->p_vs[0] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateVertexShaderFieldPMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	vs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0		; Vertex pos
-	 * decl i1		; Luma texcoords
-	 * decl i2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration
-		(
-			&decl,
-			&tokens[ti],
-			header,
-			max_tokens - ti
-		);
-	}
-
-	/*
-	 * decl c0		; Scaling vector to scale unit rect to macroblock size
-	 * decl c1		; Translation vector to move macroblock into position
-	 * decl c2		; Denorm coefficients
-	 * decl c3		; Translation vector to move top field ref macroblock texcoords into position
-	 * decl c4		; Translation vector to move bottom field ref macroblock texcoords into position
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 4);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Luma texcoords
-	 * decl o2		; Chroma texcoords
-	 * decl o3		; Top field ref macroblock texcoords
-	 * decl o4		; Bottom field ref macroblock texcoords
-	 * decl o5		; Denormalized vertex pos
-	 */
-	for (i = 0; i < 6; i++)
-	{
-		decl = vl_decl_output((i == 0 || i == 5) ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl t0, t1 */
-	decl = vl_decl_temps(0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t0, i0, c0	; Scale unit rect to normalized MB size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add t1, t0, c1	; Translate rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mov o0, t1		; Move vertex pos to output */
-	inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	mov o1, i1		; Move input luma texcoords to output
-	mov o2, i2		; Move input chroma texcoords to output
-	*/
-	for (i = 1; i < 3; ++i)
-	{
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* add o3, t0, c3	; Translate top field rect into position on ref macroblock
-	   add o4, t0, c4	; Translate bottom field rect into position on ref macroblock */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* mul o5, t1, c2	; Denorm vertex pos */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 5, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 2);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	vs.tokens = tokens;
-	mc->p_vs[1] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateFragmentShaderFramePMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	fs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0			; Texcoords for s0
-	 * decl i1			; Texcoords for s1, s2
-	 * decl i2			; Texcoords for s3
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl c0			; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0			; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl t0, t1 */
-	decl = vl_decl_temps(0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl s0			; Sampler for luma texture
-	 * decl s1			; Sampler for chroma Cb texture
-	 * decl s2			; Sampler for chroma Cr texture
-	 * decl s3			; Sampler for ref surface texture
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		decl = vl_decl_samplers(i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * tex2d t1, i0, s0		; Read texel from luma texture
-	 * mov t0.x, t1.x		; Move luma sample into .x component
-	 * tex2d t1, i1, s1		; Read texel from chroma Cb texture
-	 * mov t0.y, t1.x		; Move Cb sample into .y component
-	 * tex2d t1, i1, s2		; Read texel from chroma Cr texture
-	 * mov t0.z, t1.x		; Move Cr sample into .z component
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, TGSI_FILE_SAMPLER, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	}
-
-	/* mul t0, t0, c0		; Rescale texel to correct range */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* tex2d t1, i2, s3		; Read texel from ref macroblock */
-	inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, 2, TGSI_FILE_SAMPLER, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, t1		; Add ref and differential to form final output */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	mc->p_fs[0] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateFragmentShaderFieldPMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 200;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	fs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0			; Texcoords for s0
-	 * decl i1			; Texcoords for s1, s2
-	 * decl i2			; Texcoords for s3
-	 * decl i3			; Texcoords for s3
-	 * decl i4			; Denormalized vertex pos
-	 */
-	for (i = 0; i < 5; ++i)
-	{
-		decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0			; Scaling factor, rescales 16-bit snorm to 9-bit snorm
-	 * decl c1			; Constants 1/2 & 2 in .x, .y channels for Y-mod-2 top/bottom field selection
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0			; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl t0-t4 */
-	decl = vl_decl_temps(0, 4);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl s0			; Sampler for luma texture
-	 * decl s1			; Sampler for chroma Cb texture
-	 * decl s2			; Sampler for chroma Cr texture
-	 * decl s3			; Sampler for ref surface texture
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		decl = vl_decl_samplers(i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * tex2d t1, i0, s0		; Read texel from luma texture
-	 * mov t0.x, t1.x		; Move luma sample into .x component
-	 * tex2d t1, i1, s1		; Read texel from chroma Cb texture
-	 * mov t0.y, t1.x		; Move Cb sample into .y component
-	 * tex2d t1, i1, s2		; Read texel from chroma Cr texture
-	 * mov t0.z, t1.x		; Move Cr sample into .z component
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, TGSI_FILE_SAMPLER, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	}
-
-	/* mul t0, t0, c0		; Rescale texel to correct range */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * tex2d t1, i2, s3		; Read texel from ref macroblock top field
-	 * tex2d t2, i3, s3		; Read texel from ref macroblock bottom field
-	 */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, TGSI_FILE_SAMPLER, 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* XXX: Pos values off by 0.5? */
-	/* sub t4, i4.y, c1.x		; Sub 0.5 from denormalized pos */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_INPUT, 4, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t3, t4, c1.x		; Multiply pos Y-coord by 1/2 */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* floor t3, t3			; Get rid of fractional part */
-	inst = vl_inst2(TGSI_OPCODE_FLOOR, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t3, t3, c1.y		; Multiply by 2 */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* sub t3, t4, t3		; Subtract from original Y to get Y % 2 */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* TODO: Move to conditional tex fetch on t3 instead of lerp */
-	/* lerp t1, t3, t1, t2		; Choose between top and bottom fields based on Y % 2 */
-	inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, t1		; Add ref and differential to form final output */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	mc->p_fs[1] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateVertexShaderFrameBMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	vs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0		; Vertex pos
-	 * decl i1		; Luma texcoords
-	 * decl i2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0		; Scaling vector to scale unit rect to macroblock size
-	 * decl c1		; Translation vector to move macroblock into position
-	 * decl c2		; Unused
-	 * decl c3		; Translation vector to move past ref macroblock texcoords into position
-	 * decl c4		; Unused
-	 * decl c5		; Translation vector to move future ref macroblock texcoords into position
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 5);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Luma texcoords
-	 * decl o2		; Chroma texcoords
-	 * decl o3		; Past ref macroblock texcoords
-	 * decl o4		; Future ref macroblock texcoords
-	 */
-	for (i = 0; i < 5; i++)
-	{
-		decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl t0 */
-	decl = vl_decl_temps(0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t0, i0, c0	; Scale unit rect to normalized MB size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, c1	; Translate rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * mov o1, i1		; Move input luma texcoords to output
-	 * mov o2, i2		; Move input chroma texcoords to output
-	 */
-	for (i = 1; i < 3; ++i)
-	{
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* add o3, t0, c3	; Translate rect into position on past ref macroblock
-	   add o4, t0, c5	; Translate rect into position on future ref macroblock */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i * 2 + 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	vs.tokens = tokens;
-	mc->b_vs[0] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateVertexShaderFieldBMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	vs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0		; Vertex pos
-	 * decl i1		; Luma texcoords
-	 * decl i2		; Chroma texcoords
-	 */
-	for (i = 0; i < 3; i++)
-	{
-		decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0		; Scaling vector to scale unit rect to macroblock size
-	 * decl c1		; Translation vector to move macroblock into position
-	 * decl c2		; Denorm coefficients
-	 * decl c3		; Translation vector to move top field past ref macroblock texcoords into position
-	 * decl c4		; Translation vector to move bottom field past ref macroblock texcoords into position
-	 * decl c5		; Translation vector to move top field future ref macroblock texcoords into position
-	 * decl c6		; Translation vector to move bottom field future ref macroblock texcoords into position
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 6);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl o0		; Vertex pos
-	 * decl o1		; Luma texcoords
-	 * decl o2		; Chroma texcoords
-	 * decl o3		; Top field past ref macroblock texcoords
-	 * decl o4		; Bottom field past ref macroblock texcoords
-	 * decl o5		; Top field future ref macroblock texcoords
-	 * decl o6		; Bottom field future ref macroblock texcoords
-	 * decl o7		; Denormalized vertex pos
-	 */
-	for (i = 0; i < 8; i++)
-	{
-		decl = vl_decl_output((i == 0 || i == 7) ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* decl t0, t1 */
-	decl = vl_decl_temps(0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t0, i0, c0	; Scale unit rect to normalized MB size */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_INPUT, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add t1, t0, c1	; Translate rect into position */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mov o0, t1		; Move vertex pos to output */
-	inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * mov o1, i1		; Move input luma texcoords to output
-	 * mov o2, i2		; Move input chroma texcoords to output
-	 */
-	for (i = 1; i < 3; ++i)
-	{
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * add o3, t0, c3	; Translate top field rect into position on past ref macroblock
-	 * add o4, t0, c4	; Translate bottom field rect into position on past ref macroblock
-	 * add o5, t0, c5	; Translate top field rect into position on future ref macroblock
-	 * add o6, t0, c6	; Translate bottom field rect into position on future ref macroblock
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 3, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, i + 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* mul o7, t1, c2	; Denorm vertex pos */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 7, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 2);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	vs.tokens = tokens;
-	mc->b_vs[1] = pipe->create_vs_state(pipe, &vs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateFragmentShaderFrameBMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 100;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	fs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0			; Texcoords for s0
-	 * decl i1			; Texcoords for s1, s2
-	 * decl i2			; Texcoords for s3
-	 * decl i3			; Texcoords for s4
-	 */
-	for (i = 0; i < 4; ++i)
-	{
-		decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0			; Scaling factor, rescales 16-bit snorm to 9-bit snorm
-	 * decl c1			; Constant 1/2 in .x channel to use as weight to blend past and future texels
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0			; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl t0-t2 */
-	decl = vl_decl_temps(0, 2);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl s0			; Sampler for luma texture
-	 * decl s1			; Sampler for chroma Cb texture
-	 * decl s2			; Sampler for chroma Cr texture
-	 * decl s3			; Sampler for past ref surface texture
-	 * decl s4			; Sampler for future ref surface texture
-	 */
-	for (i = 0; i < 5; ++i)
-	{
-		decl = vl_decl_samplers(i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * tex2d t1, i0, s0		; Read texel from luma texture
-	 * mov t0.x, t1.x		; Move luma sample into .x component
-	 * tex2d t1, i1, s1		; Read texel from chroma Cb texture
-	 * mov t0.y, t1.x		; Move Cb sample into .y component
-	 * tex2d t1, i1, s2		; Read texel from chroma Cr texture
-	 * mov t0.z, t1.x		; Move Cr sample into .z component
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, TGSI_FILE_SAMPLER, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	}
-
-	/* mul t0, t0, c0		; Rescale texel to correct range */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * tex2d t1, i2, s3		; Read texel from past ref macroblock
-	 * tex2d t2, i3, s4		; Read texel from future ref macroblock
-	 */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, TGSI_FILE_SAMPLER, i + 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* lerp t1, c1.x, t1, t2	; Blend past and future texels */
-	inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 1, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, t1		; Add past/future ref and differential to form final output */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	mc->b_fs[0] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateFragmentShaderFieldBMB
-(
-	struct vlR16SnormMC *mc
-)
-{
-	const unsigned int		max_tokens = 200;
-
-	struct pipe_context		*pipe;
-	struct pipe_shader_state	fs;
-	struct tgsi_token		*tokens;
-	struct tgsi_header		*header;
-
-	struct tgsi_full_declaration	decl;
-	struct tgsi_full_instruction	inst;
-
-	unsigned int			ti;
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-	tokens = (struct tgsi_token*)malloc(max_tokens * sizeof(struct tgsi_token));
-
-	/* Version */
-	*(struct tgsi_version*)&tokens[0] = tgsi_build_version();
-	/* Header */
-	header = (struct tgsi_header*)&tokens[1];
-	*header = tgsi_build_header();
-	/* Processor */
-	*(struct tgsi_processor*)&tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
-
-	ti = 3;
-
-	/*
-	 * decl i0			; Texcoords for s0
-	 * decl i1			; Texcoords for s1, s2
-	 * decl i2			; Texcoords for s3
-	 * decl i3			; Texcoords for s3
-	 * decl i4			; Texcoords for s4
-	 * decl i5			; Texcoords for s4
-	 * decl i6			; Denormalized vertex pos
-	 */
-	for (i = 0; i < 7; ++i)
-	{
-		decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * decl c0			; Scaling factor, rescales 16-bit snorm to 9-bit snorm
-	 * decl c1			; Constants 1/2 & 2 in .x, .y channels to use as weight to blend past and future texels
-	 *				; and for Y-mod-2 top/bottom field selection
-	 */
-	decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl o0			; Fragment color */
-	decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/* decl t0-t5 */
-	decl = vl_decl_temps(0, 5);
-	ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * decl s0			; Sampler for luma texture
-	 * decl s1			; Sampler for chroma Cb texture
-	 * decl s2			; Sampler for chroma Cr texture
-	 * decl s3			; Sampler for past ref surface texture
-	 * decl s4			; Sampler for future ref surface texture
-	 */
-	for (i = 0; i < 5; ++i)
-	{
-		decl = vl_decl_samplers(i, i);
-		ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/*
-	 * tex2d t1, i0, s0		; Read texel from luma texture
-	 * mov t0.x, t1.x		; Move luma sample into .x component
-	 * tex2d t1, i1, s1		; Read texel from chroma Cb texture
-	 * mov t0.y, t1.x		; Move Cb sample into .y component
-	 * tex2d t1, i1, s2		; Read texel from chroma Cr texture
-	 * mov t0.z, t1.x		; Move Cr sample into .z component
-	 */
-	for (i = 0; i < 3; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i > 0 ? 1 : 0, TGSI_FILE_SAMPLER, i);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-		inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-		inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-		inst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X << i;
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	}
-
-	/* mul t0, t0, c0		; Rescale texel to correct range */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* XXX: Pos values off by 0.5? */
-	/* sub t4, i6.y, c1.x		; Sub 0.5 from denormalized pos */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_INPUT, 6, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t3, t4, c1.x		; Multiply pos Y-coord by 1/2 */
-	inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* floor t3, t3			; Get rid of fractional part */
-	inst = vl_inst2(TGSI_OPCODE_FLOOR, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* mul t3, t3, c1.y		; Multiply by 2 */
-	inst = vl_inst3( TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_CONSTANT, 1);
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y;
-	inst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* sub t3, t4, t3		; Subtract from original Y to get Y % 2 */
-	inst = vl_inst3(TGSI_OPCODE_SUB, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 3);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * tex2d t1, i2, s3		; Read texel from past ref macroblock top field
-	 * tex2d t2, i3, s3		; Read texel from past ref macroblock bottom field
-	 */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 2, TGSI_FILE_SAMPLER, 3);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* TODO: Move to conditional tex fetch on t3 instead of lerp */
-	/* lerp t1, t3, t1, t2		; Choose between top and bottom fields based on Y % 2 */
-	inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/*
-	 * tex2d t4, i4, s4		; Read texel from future ref macroblock top field
-	 * tex2d t5, i5, s4		; Read texel from future ref macroblock bottom field
-	 */
-	for (i = 0; i < 2; ++i)
-	{
-		inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 4, TGSI_FILE_INPUT, i + 4, TGSI_FILE_SAMPLER, 4);
-		ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-	}
-
-	/* TODO: Move to conditional tex fetch on t3 instead of lerp */
-	/* lerp t2, t3, t4, t5		; Choose between top and bottom fields based on Y % 2 */
-	inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 2, TGSI_FILE_TEMPORARY, 3, TGSI_FILE_TEMPORARY, 4, TGSI_FILE_TEMPORARY, 5);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* lerp t1, c1.x, t1, t2	; Blend past and future texels */
-	inst = vl_inst4(TGSI_OPCODE_LERP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 1, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
-	inst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_X;
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* add o0, t0, t1		; Add past/future ref and differential to form final output */
-	inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	/* end */
-	inst = vl_end();
-	ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
-
-	fs.tokens = tokens;
-	mc->b_fs[1] = pipe->create_fs_state(pipe, &fs);
-	free(tokens);
-
-	return 0;
-}
-
-static int vlCreateDataBufs
-(
-	struct vlR16SnormMC *mc
-)
-{
-	struct pipe_context	*pipe;
-	unsigned int		i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-
-	/* Create our vertex buffer and vertex buffer element */
-	mc->vertex_bufs[0].pitch = sizeof(struct vlVertex2f);
-	mc->vertex_bufs[0].max_index = 23;
-	mc->vertex_bufs[0].buffer_offset = 0;
-	mc->vertex_bufs[0].buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_VERTEX,
-		sizeof(struct vlVertex2f) * 24
-	);
-
-	mc->vertex_elems[0].src_offset = 0;
-	mc->vertex_elems[0].vertex_buffer_index = 0;
-	mc->vertex_elems[0].nr_components = 2;
-	mc->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
-
-	/* Create our texcoord buffers and texcoord buffer elements */
-	for (i = 1; i < 3; ++i)
-	{
-		mc->vertex_bufs[i].pitch = sizeof(struct vlVertex2f);
-		mc->vertex_bufs[i].max_index = 23;
-		mc->vertex_bufs[i].buffer_offset = 0;
-		mc->vertex_bufs[i].buffer = pipe->winsys->buffer_create
-		(
-			pipe->winsys,
-			1,
-			PIPE_BUFFER_USAGE_VERTEX,
-			sizeof(struct vlVertex2f) * 24
-		);
-
-		mc->vertex_elems[i].src_offset = 0;
-		mc->vertex_elems[i].vertex_buffer_index = i;
-		mc->vertex_elems[i].nr_components = 2;
-		mc->vertex_elems[i].src_format = PIPE_FORMAT_R32G32_FLOAT;
-	}
-
-	/* Fill buffers */
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[0].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		macroblock_verts,
-		sizeof(struct vlVertex2f) * 24
-	);
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[1].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		macroblock_luma_texcoords,
-		sizeof(struct vlVertex2f) * 24
-	);
-	/* TODO: Accomodate 422, 444 */
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, mc->vertex_bufs[2].buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		macroblock_chroma_420_texcoords,
-		sizeof(struct vlVertex2f) * 24
-	);
-
-	for (i = 0; i < 3; ++i)
-		pipe->winsys->buffer_unmap(pipe->winsys, mc->vertex_bufs[i].buffer);
-
-	/* Create our constant buffer */
-	mc->vs_const_buf.size = sizeof(struct vlVertexShaderConsts);
-	mc->vs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		mc->vs_const_buf.size
-	);
-
-	mc->fs_const_buf.size = sizeof(struct vlFragmentShaderConsts);
-	mc->fs_const_buf.buffer = pipe->winsys->buffer_create
-	(
-		pipe->winsys,
-		1,
-		PIPE_BUFFER_USAGE_CONSTANT,
-		mc->fs_const_buf.size
-	);
-
-	memcpy
-	(
-		pipe->winsys->buffer_map(pipe->winsys, mc->fs_const_buf.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
-		&fs_consts,
-		sizeof(struct vlFragmentShaderConsts)
-	);
-
-	pipe->winsys->buffer_unmap(pipe->winsys, mc->fs_const_buf.buffer);
-
-	return 0;
-}
-
-static int vlInit
-(
-	struct vlR16SnormMC *mc
-)
-{
-	struct pipe_context		*pipe;
-	struct pipe_sampler_state	sampler;
-	struct pipe_texture		template;
-	unsigned int			filters[5];
-	unsigned int			i;
-
-	assert(mc);
-
-	pipe = mc->pipe;
-
-	/* For MC we render to textures, which are rounded up to nearest POT */
-	mc->viewport.scale[0] = vlRoundUpPOT(mc->video_width);
-	mc->viewport.scale[1] = vlRoundUpPOT(mc->video_height);
-	mc->viewport.scale[2] = 1;
-	mc->viewport.scale[3] = 1;
-	mc->viewport.translate[0] = 0;
-	mc->viewport.translate[1] = 0;
-	mc->viewport.translate[2] = 0;
-	mc->viewport.translate[3] = 0;
-
-	mc->render_target.width = vlRoundUpPOT(mc->video_width);
-	mc->render_target.height = vlRoundUpPOT(mc->video_height);
-	mc->render_target.num_cbufs = 1;
-	/* FB for MC stage is a vlSurface, set in vlSetRenderSurface() */
-	mc->render_target.zsbuf = NULL;
-
-	filters[0] = PIPE_TEX_FILTER_NEAREST;
-	filters[1] = mc->video_format == vlFormatYCbCr444 ? PIPE_TEX_FILTER_NEAREST : PIPE_TEX_FILTER_LINEAR;
-	filters[2] = mc->video_format == vlFormatYCbCr444 ? PIPE_TEX_FILTER_NEAREST : PIPE_TEX_FILTER_LINEAR;
-	filters[3] = PIPE_TEX_FILTER_LINEAR;
-	filters[4] = PIPE_TEX_FILTER_LINEAR;
-
-	for (i = 0; i < 5; ++i)
-	{
-		sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-		sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-		sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-		sampler.min_img_filter = filters[i];
-		sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
-		sampler.mag_img_filter = filters[i];
-		sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
-		sampler.compare_func = PIPE_FUNC_ALWAYS;
-		sampler.normalized_coords = 1;
-		/*sampler.prefilter = ;*/
-		/*sampler.shadow_ambient = ;*/
-		/*sampler.lod_bias = ;*/
-		sampler.min_lod = 0;
-		/*sampler.max_lod = ;*/
-		/*sampler.border_color[i] = ;*/
-		/*sampler.max_anisotropy = ;*/
-		mc->samplers[i] = pipe->create_sampler_state(pipe, &sampler);
-	}
-
-	memset(&template, 0, sizeof(struct pipe_texture));
-	template.target = PIPE_TEXTURE_2D;
-	template.format = PIPE_FORMAT_R16_SNORM;
-	template.last_level = 0;
-	template.width[0] = 8;
-	template.height[0] = 8 * 4;
-	template.depth[0] = 1;
-	template.compressed = 0;
-	pf_get_block(template.format, &template.block);
-
-	for (i = 0; i < NUM_BUFS; ++i)
-		mc->textures[i][0] = pipe->screen->texture_create(pipe->screen, &template);
-
-	if (mc->video_format == vlFormatYCbCr420)
-		template.height[0] = 8;
-	else if (mc->video_format == vlFormatYCbCr422)
-		template.height[0] = 8 * 2;
-	else if (mc->video_format == vlFormatYCbCr444)
-		template.height[0] = 8 * 4;
-	else
-		assert(0);
-
-	for (i = 0; i < NUM_BUFS; ++i)
-	{
-		mc->textures[i][1] = pipe->screen->texture_create(pipe->screen, &template);
-		mc->textures[i][2] = pipe->screen->texture_create(pipe->screen, &template);
-	}
-
-	/* textures[3] & textures[4] are assigned from vlSurfaces for P and B macroblocks at render time */
-
-	vlCreateVertexShaderIMB(mc);
-	vlCreateFragmentShaderIMB(mc);
-	vlCreateVertexShaderFramePMB(mc);
-	vlCreateVertexShaderFieldPMB(mc);
-	vlCreateFragmentShaderFramePMB(mc);
-	vlCreateFragmentShaderFieldPMB(mc);
-	vlCreateVertexShaderFrameBMB(mc);
-	vlCreateVertexShaderFieldBMB(mc);
-	vlCreateFragmentShaderFrameBMB(mc);
-	vlCreateFragmentShaderFieldBMB(mc);
-	vlCreateDataBufs(mc);
-
-	return 0;
-}
-
-int vlCreateR16SNormMC
-(
-	struct pipe_context *pipe,
-	unsigned int video_width,
-	unsigned int video_height,
-	enum vlFormat video_format,
-	struct vlRender **render
-)
-{
-	struct vlR16SnormMC *mc;
-
-	assert(pipe);
-	assert(render);
-
-	mc = calloc(1, sizeof(struct vlR16SnormMC));
-
-	mc->base.vlBegin = &vlBegin;
-	mc->base.vlRenderMacroBlocksMpeg2 = &vlRenderMacroBlocksMpeg2R16Snorm;
-	mc->base.vlEnd = &vlEnd;
-	mc->base.vlFlush = &vlFlush;
-	mc->base.vlDestroy = &vlDestroy;
-	mc->pipe = pipe;
-	mc->video_width = video_width;
-	mc->video_height = video_height;
-	mc->cur_buf = 0;
-
-	vlInit(mc);
-
-	*render = &mc->base;
-
-	return 0;
-}
diff --git a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.h b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.h
deleted file mode 100644
index 9842926bf7..0000000000
--- a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef vl_r16snorm_mc_h
-#define vl_r16snorm_mc_h
-
-#include "vl_types.h"
-
-struct pipe_context;
-struct vlRender;
-
-int vlCreateR16SNormMC
-(
-	struct pipe_context *pipe,
-	unsigned int video_width,
-	unsigned int video_height,
-	enum vlFormat video_format,
-	struct vlRender **render
-);
-
-#endif
diff --git a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
index 650528ed8f..c5a73b2bf2 100644
--- a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
+++ b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
@@ -1,7 +1,6 @@
 #define VL_INTERNAL
 #include "vl_r16snorm_mc_buf.h"
 #include <assert.h>
-#include <stdlib.h>
 #include <pipe/p_context.h>
 #include <pipe/p_winsys.h>
 #include <pipe/p_screen.h>
@@ -10,6 +9,7 @@
 #include <tgsi/tgsi_parse.h>
 #include <tgsi/tgsi_build.h>
 #include <util/u_math.h>
+#include <util/u_memory.h>
 #include "vl_render.h"
 #include "vl_shader_build.h"
 #include "vl_surface.h"
@@ -17,16 +17,7 @@
 #include "vl_types.h"
 #include "vl_defs.h"
 
-/*
- * TODO: Dynamically determine number of buf sets to use, based on
- * video size and available mem, since we can easily run out of memory
- * for high res videos.
- * Note: Destroying previous frame's buffers and creating new ones
- * doesn't work, since the buffer are not actually destroyed until their
- * fence is signalled, and if we render fast enough we will create faster
- * than we destroy.
- */
-#define NUM_BUF_SETS 4	/* Number of rotating buffer sets to use */
+const unsigned int DEFAULT_BUF_ALIGNMENT = 1;
 
 enum vlMacroBlockTypeEx
 {
@@ -52,36 +43,79 @@ struct vlFragmentShaderConsts
 	struct vlVertex4f div;
 };
 
+struct vlMacroBlockVertexStream0
+{
+	struct vlVertex2f pos;
+	struct vlVertex2f luma_tc;
+	struct vlVertex2f cb_tc;
+	struct vlVertex2f cr_tc;
+};
+
 struct vlR16SnormBufferedMC
 {
 	struct vlRender				base;
 
-	unsigned int				picture_width, picture_height;
+	unsigned int				picture_width;
+	unsigned int				picture_height;
 	enum vlFormat				picture_format;
+	unsigned int				macroblocks_per_picture;
 
-	unsigned int				cur_buf;
 	struct vlSurface			*buffered_surface;
-	struct vlSurface			*past_surface, *future_surface;
+	struct vlSurface			*past_surface;
+	struct vlSurface			*future_surface;
 	struct vlVertex2f			surface_tex_inv_size;
 	struct vlVertex2f			zero_block[3];
 	unsigned int				num_macroblocks;
 	struct vlMpeg2MacroBlock		*macroblocks;
+	struct pipe_surface			*tex_surface[3];
+	short					*texels[3];
 
 	struct pipe_context			*pipe;
 	struct pipe_viewport_state		viewport;
 	struct pipe_framebuffer_state		render_target;
-	struct pipe_sampler_state		*samplers[5];
-	struct pipe_texture			*textures[NUM_BUF_SETS][5];
-	struct pipe_surface			*tex_surface[3];
-	short					*texels[3];
+
+	union
+	{
+		void					*all[5];
+		struct
+		{
+			void				*y;
+			void				*cb;
+			void				*cr;
+			void				*ref[2];
+		};
+	} samplers;
+
+	union
+	{
+		struct pipe_texture			*all[5];
+		struct
+		{
+			struct pipe_texture		*y;
+			struct pipe_texture		*cb;
+			struct pipe_texture		*cr;
+			struct pipe_texture		*ref[2];
+		};
+	} textures;
+
+	union
+	{
+		struct pipe_vertex_buffer 		all[3];
+		struct
+		{
+			struct pipe_vertex_buffer	ycbcr;
+			struct pipe_vertex_buffer	ref[2];
+		};
+	} vertex_bufs;
+
 	void					*i_vs, *p_vs[2], *b_vs[2];
 	void					*i_fs, *p_fs[2], *b_fs[2];
-	struct pipe_vertex_buffer 		vertex_bufs[NUM_BUF_SETS][3];
 	struct pipe_vertex_element		vertex_elems[8];
-	struct pipe_constant_buffer		vs_const_buf, fs_const_buf;
+	struct pipe_constant_buffer		vs_const_buf;
+	struct pipe_constant_buffer		fs_const_buf;
 };
 
-static int vlBegin
+static inline int vlBegin
 (
 	struct vlRender *render
 )
@@ -360,11 +394,13 @@ static inline int vlGrabMacroBlock
 		(vb)[5].cr_tc.x = (zb)[2].x + (hx);	(vb)[5].cr_tc.y = (zb)[2].y + (hy);					\
 	}
 
-static inline int vlGrabMacroBlockVB
+static inline int vlGenMacroblockVerts
 (
 	struct vlR16SnormBufferedMC *mc,
 	struct vlMpeg2MacroBlock *macroblock,
-	unsigned int pos
+	unsigned int pos,
+	struct vlMacroBlockVertexStream0 *ycbcr_vb,
+	struct vlVertex2f **ref_vb
 )
 {
 	struct vlVertex2f	mo_vec[2];
@@ -372,6 +408,7 @@ static inline int vlGrabMacroBlockVB
 
 	assert(mc);
 	assert(macroblock);
+	assert(ycbcr_vb);
 
 	switch (macroblock->mb_type)
 	{
@@ -379,12 +416,9 @@ static inline int vlGrabMacroBlockVB
 		{
 			struct vlVertex2f *vb;
 
-			vb = (struct vlVertex2f*)mc->pipe->winsys->buffer_map
-			(
-				mc->pipe->winsys,
-				mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][2].buffer,
-				PIPE_BUFFER_USAGE_CPU_WRITE
-			) + pos * 2 * 24;
+			assert(ref_vb && ref_vb[1]);
+
+			vb = ref_vb[1] + pos * 2 * 24;
 
 			mo_vec[0].x = macroblock->PMV[0][1][0] * 0.5f * mc->surface_tex_inv_size.x;
 			mo_vec[0].y = macroblock->PMV[0][1][1] * 0.5f * mc->surface_tex_inv_size.y;
@@ -411,8 +445,6 @@ static inline int vlGrabMacroBlockVB
 				}
 			}
 
-			mc->pipe->winsys->buffer_unmap(mc->pipe->winsys, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][2].buffer);
-
 			/* fall-through */
 		}
 		case vlMacroBlockTypeFwdPredicted:
@@ -420,12 +452,9 @@ static inline int vlGrabMacroBlockVB
 		{
 			struct vlVertex2f *vb;
 
-			vb = (struct vlVertex2f*)mc->pipe->winsys->buffer_map
-			(
-				mc->pipe->winsys,
-				mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][1].buffer,
-				PIPE_BUFFER_USAGE_CPU_WRITE
-			) + pos * 2 * 24;
+			assert(ref_vb && ref_vb[0]);
+
+			vb = ref_vb[0] + pos * 2 * 24;
 
 			if (macroblock->mb_type == vlMacroBlockTypeBkwdPredicted)
 			{
@@ -469,8 +498,6 @@ static inline int vlGrabMacroBlockVB
 				}
 			}
 
-			mc->pipe->winsys->buffer_unmap(mc->pipe->winsys, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][1].buffer);
-
 			/* fall-through */
 		}
 		case vlMacroBlockTypeIntra:
@@ -486,20 +513,9 @@ static inline int vlGrabMacroBlockVB
 				mc->surface_tex_inv_size.y * (VL_MACROBLOCK_HEIGHT / 2)
 			};
 
-			struct vlMacroBlockVertexStream0
-			{
-				struct vlVertex2f pos;
-				struct vlVertex2f luma_tc;
-				struct vlVertex2f cb_tc;
-				struct vlVertex2f cr_tc;
-			} *vb;
+			struct vlMacroBlockVertexStream0 *vb;
 
-			vb = (struct vlMacroBlockVertexStream0*)mc->pipe->winsys->buffer_map
-			(
-				mc->pipe->winsys,
-				mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][0].buffer,
-				PIPE_BUFFER_USAGE_CPU_WRITE
-			) + pos * 24;
+			vb = ycbcr_vb + pos * 24;
 
 			SET_BLOCK
 			(
@@ -533,8 +549,6 @@ static inline int vlGrabMacroBlockVB
 				4, 2, 1, mc->zero_block
 			);
 
-			mc->pipe->winsys->buffer_unmap(mc->pipe->winsys, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS][0].buffer);
-
 			break;
 		}
 		default:
@@ -555,9 +569,6 @@ static int vlFlush
 	unsigned int			num_macroblocks[vlNumMacroBlockExTypes] = {0};
 	unsigned int			offset[vlNumMacroBlockExTypes];
 	unsigned int			vb_start = 0;
-	unsigned int			mbw;
-	unsigned int			mbh;
-	unsigned int			num_mb_per_frame;
 	unsigned int			i;
 
 	assert(render);
@@ -567,11 +578,7 @@ static int vlFlush
 	if (!mc->buffered_surface)
 		return 0;
 
-	mbw = align(mc->picture_width, VL_MACROBLOCK_WIDTH) / VL_MACROBLOCK_WIDTH;
-	mbh = align(mc->picture_height, VL_MACROBLOCK_HEIGHT) / VL_MACROBLOCK_HEIGHT;
-	num_mb_per_frame = mbw * mbh;
-
-	if (mc->num_macroblocks < num_mb_per_frame)
+	if (mc->num_macroblocks < mc->macroblocks_per_picture)
 		return 0;
 
 	pipe = mc->pipe;
@@ -588,15 +595,39 @@ static int vlFlush
 	for (i = 1; i < vlNumMacroBlockExTypes; ++i)
 		offset[i] = offset[i - 1] + num_macroblocks[i - 1];
 
-	for (i = 0; i < mc->num_macroblocks; ++i)
 	{
-		enum vlMacroBlockTypeEx mb_type_ex = vlGetMacroBlockTypeEx(&mc->macroblocks[i]);
+		struct vlMacroBlockVertexStream0	*ycbcr_vb;
+		struct vlVertex2f			*ref_vb[2];
+
+		ycbcr_vb = (struct vlMacroBlockVertexStream0*)mc->pipe->winsys->buffer_map
+		(
+			mc->pipe->winsys,
+			mc->vertex_bufs.ycbcr.buffer,
+			PIPE_BUFFER_USAGE_CPU_WRITE
+		);
 
-		vlGrabMacroBlockVB(mc, &mc->macroblocks[i], offset[mb_type_ex]);
+		for (i = 0; i < 2; ++i)
+			ref_vb[i] = (struct vlVertex2f*)mc->pipe->winsys->buffer_map
+			(
+				mc->pipe->winsys,
+				mc->vertex_bufs.ref[i].buffer,
+				PIPE_BUFFER_USAGE_CPU_WRITE
+			);
 
-		offset[mb_type_ex]++;
+		for (i = 0; i < mc->num_macroblocks; ++i)
+		{
+			enum vlMacroBlockTypeEx mb_type_ex = vlGetMacroBlockTypeEx(&mc->macroblocks[i]);
+
+			vlGenMacroblockVerts(mc, &mc->macroblocks[i], offset[mb_type_ex], ycbcr_vb, ref_vb);
+
+			offset[mb_type_ex]++;
+		}
+
+		mc->pipe->winsys->buffer_unmap(mc->pipe->winsys, mc->vertex_bufs.ycbcr.buffer);
+		for (i = 0; i < 2; ++i)
+			mc->pipe->winsys->buffer_unmap(mc->pipe->winsys, mc->vertex_bufs.ref[i].buffer);
 	}
-	
+
 	for (i = 0; i < 3; ++i)
 	{
 		pipe_surface_unmap(mc->tex_surface[i]);
@@ -628,10 +659,10 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeIntra] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 1, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 1, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 4, mc->vertex_elems);
-		pipe->set_sampler_textures(pipe, 3, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 3, (void**)mc->samplers);
+		pipe->set_sampler_textures(pipe, 3, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 3, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->i_vs);
 		pipe->bind_fs_state(pipe, mc->i_fs);
 
@@ -641,11 +672,11 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeFwdPredictedFrame] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 6, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->past_surface->texture;
-		pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->past_surface->texture;
+		pipe->set_sampler_textures(pipe, 4, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 4, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->p_vs[0]);
 		pipe->bind_fs_state(pipe, mc->p_fs[0]);
 
@@ -655,11 +686,11 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeFwdPredictedField] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 6, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->past_surface->texture;
-		pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->past_surface->texture;
+		pipe->set_sampler_textures(pipe, 4, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 4, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->p_vs[1]);
 		pipe->bind_fs_state(pipe, mc->p_fs[1]);
 
@@ -669,11 +700,11 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeBkwdPredictedFrame] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 6, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->future_surface->texture;
-		pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->future_surface->texture;
+		pipe->set_sampler_textures(pipe, 4, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 4, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->p_vs[0]);
 		pipe->bind_fs_state(pipe, mc->p_fs[0]);
 
@@ -683,11 +714,11 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeBkwdPredictedField] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 2, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 6, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->future_surface->texture;
-		pipe->set_sampler_textures(pipe, 4, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 4, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->future_surface->texture;
+		pipe->set_sampler_textures(pipe, 4, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 4, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->p_vs[1]);
 		pipe->bind_fs_state(pipe, mc->p_fs[1]);
 
@@ -697,12 +728,12 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeBiPredictedFrame] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 8, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->past_surface->texture;
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][4] = mc->future_surface->texture;
-		pipe->set_sampler_textures(pipe, 5, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 5, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->past_surface->texture;
+		mc->textures.ref[1] = mc->future_surface->texture;
+		pipe->set_sampler_textures(pipe, 5, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 5, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->b_vs[0]);
 		pipe->bind_fs_state(pipe, mc->b_fs[0]);
 
@@ -712,12 +743,12 @@ static int vlFlush
 
 	if (num_macroblocks[vlMacroBlockExTypeBiPredictedField] > 0)
 	{
-		pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs[mc->cur_buf % NUM_BUF_SETS]);
+		pipe->set_vertex_buffers(pipe, 3, mc->vertex_bufs.all);
 		pipe->set_vertex_elements(pipe, 8, mc->vertex_elems);
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][3] = mc->past_surface->texture;
-		mc->textures[mc->cur_buf % NUM_BUF_SETS][4] = mc->future_surface->texture;
-		pipe->set_sampler_textures(pipe, 5, mc->textures[mc->cur_buf % NUM_BUF_SETS]);
-		pipe->bind_sampler_states(pipe, 5, (void**)mc->samplers);
+		mc->textures.ref[0] = mc->past_surface->texture;
+		mc->textures.ref[1] = mc->future_surface->texture;
+		pipe->set_sampler_textures(pipe, 5, mc->textures.all);
+		pipe->bind_sampler_states(pipe, 5, mc->samplers.all);
 		pipe->bind_vs_state(pipe, mc->b_vs[1]);
 		pipe->bind_fs_state(pipe, mc->b_fs[1]);
 
@@ -726,13 +757,13 @@ static int vlFlush
 	}
 
 	pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, &mc->buffered_surface->render_fence);
+	pipe->screen->tex_surface_release(pipe->screen, &mc->render_target.cbufs[0]);
 
 	for (i = 0; i < 3; ++i)
 		mc->zero_block[i].x = -1.0f;
 
 	mc->buffered_surface = NULL;
 	mc->num_macroblocks = 0;
-	mc->cur_buf++;
 
 	return 0;
 }
@@ -745,6 +776,7 @@ static int vlRenderMacroBlocksMpeg2R16SnormBuffered
 )
 {
 	struct vlR16SnormBufferedMC	*mc;
+	bool				new_surface = false;
 	unsigned int			i;
 
 	assert(render);
@@ -756,39 +788,26 @@ static int vlRenderMacroBlocksMpeg2R16SnormBuffered
 		if (mc->buffered_surface != surface)
 		{
 			vlFlush(&mc->base);
-			mc->buffered_surface = surface;
-			mc->past_surface = batch->past_surface;
-			mc->future_surface = batch->future_surface;
-			mc->surface_tex_inv_size.x = 1.0f / surface->texture->width[0];
-			mc->surface_tex_inv_size.y = 1.0f / surface->texture->height[0];
-			
-			for (i = 0; i < 3; ++i)
-			{
-				mc->tex_surface[i] = mc->pipe->screen->get_tex_surface
-				(
-					mc->pipe->screen,
-					mc->textures[mc->cur_buf % NUM_BUF_SETS][i],
-					0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
-				);
-
-				mc->texels[i] = pipe_surface_map(mc->tex_surface[i], PIPE_BUFFER_USAGE_CPU_WRITE);
-			}
+			new_surface = true;
 		}
 	}
 	else
+		new_surface = true;
+
+	if (new_surface)
 	{
 		mc->buffered_surface = surface;
 		mc->past_surface = batch->past_surface;
 		mc->future_surface = batch->future_surface;
 		mc->surface_tex_inv_size.x = 1.0f / surface->texture->width[0];
 		mc->surface_tex_inv_size.y = 1.0f / surface->texture->height[0];
-		
+
 		for (i = 0; i < 3; ++i)
 		{
 			mc->tex_surface[i] = mc->pipe->screen->get_tex_surface
 			(
 				mc->pipe->screen,
-				mc->textures[mc->cur_buf % NUM_BUF_SETS][i],
+				mc->textures.all[i],
 				0, 0, 0, PIPE_BUFFER_USAGE_CPU_WRITE
 			);
 
@@ -802,7 +821,7 @@ static int vlRenderMacroBlocksMpeg2R16SnormBuffered
 	return 0;
 }
 
-static int vlEnd
+static inline int vlEnd
 (
 	struct vlRender *render
 )
@@ -819,7 +838,7 @@ static int vlDestroy
 {
 	struct vlR16SnormBufferedMC	*mc;
 	struct pipe_context		*pipe;
-	unsigned int			h, i;
+	unsigned int			i;
 
 	assert(render);
 
@@ -827,19 +846,14 @@ static int vlDestroy
 	pipe = mc->pipe;
 
 	for (i = 0; i < 5; ++i)
-		pipe->delete_sampler_state(pipe, mc->samplers[i]);
+		pipe->delete_sampler_state(pipe, mc->samplers.all[i]);
 
-	for (h = 0; h < NUM_BUF_SETS; ++h)
-			for (i = 0; i < 3; ++i)
-				pipe->winsys->buffer_destroy(pipe->winsys, mc->vertex_bufs[h][i].buffer);
+	for (i = 0; i < 3; ++i)
+		pipe->winsys->buffer_destroy(pipe->winsys, mc->vertex_bufs.all[i].buffer);
 
 	/* Textures 3 & 4 are not created directly, no need to release them here */
-	for (i = 0; i < NUM_BUF_SETS; ++i)
-	{
-		pipe_texture_release(&mc->textures[i][0]);
-		pipe_texture_release(&mc->textures[i][1]);
-		pipe_texture_release(&mc->textures[i][2]);
-	}
+	for (i = 0; i < 3; ++i)
+		pipe_texture_release(&mc->textures.all[i]);
 
 	pipe->delete_vs_state(pipe, mc->i_vs);
 	pipe->delete_fs_state(pipe, mc->i_fs);
@@ -855,8 +869,8 @@ static int vlDestroy
 	pipe->winsys->buffer_destroy(pipe->winsys, mc->vs_const_buf.buffer);
 	pipe->winsys->buffer_destroy(pipe->winsys, mc->fs_const_buf.buffer);
 
-	free(mc->macroblocks);
-	free(mc);
+	FREE(mc->macroblocks);
+	FREE(mc);
 
 	return 0;
 }
@@ -882,42 +896,39 @@ static int vlCreateDataBufs
 {
 	const unsigned int	mbw = align(mc->picture_width, VL_MACROBLOCK_WIDTH) / VL_MACROBLOCK_WIDTH;
 	const unsigned int	mbh = align(mc->picture_height, VL_MACROBLOCK_HEIGHT) / VL_MACROBLOCK_HEIGHT;
-	const unsigned int	num_mb_per_frame = mbw * mbh;
 
 	struct pipe_context	*pipe;
-	unsigned int		h, i;
+	unsigned int		i;
 
 	assert(mc);
 
 	pipe = mc->pipe;
+	mc->macroblocks_per_picture = mbw * mbh;
 
 	/* Create our vertex buffers */
-	for (h = 0; h < NUM_BUF_SETS; ++h)
+	mc->vertex_bufs.ycbcr.pitch = sizeof(struct vlVertex2f) * 4;
+	mc->vertex_bufs.ycbcr.max_index = 24 * mc->macroblocks_per_picture - 1;
+	mc->vertex_bufs.ycbcr.buffer_offset = 0;
+	mc->vertex_bufs.ycbcr.buffer = pipe->winsys->buffer_create
+	(
+		pipe->winsys,
+		DEFAULT_BUF_ALIGNMENT,
+		PIPE_BUFFER_USAGE_VERTEX,
+		sizeof(struct vlVertex2f) * 4 * 24 * mc->macroblocks_per_picture
+	);
+
+	for (i = 1; i < 3; ++i)
 	{
-		mc->vertex_bufs[h][0].pitch = sizeof(struct vlVertex2f) * 4;
-		mc->vertex_bufs[h][0].max_index = 24 * num_mb_per_frame - 1;
-		mc->vertex_bufs[h][0].buffer_offset = 0;
-		mc->vertex_bufs[h][0].buffer = pipe->winsys->buffer_create
+		mc->vertex_bufs.all[i].pitch = sizeof(struct vlVertex2f) * 2;
+		mc->vertex_bufs.all[i].max_index = 24 * mc->macroblocks_per_picture - 1;
+		mc->vertex_bufs.all[i].buffer_offset = 0;
+		mc->vertex_bufs.all[i].buffer = pipe->winsys->buffer_create
 		(
 			pipe->winsys,
-			1,
+			DEFAULT_BUF_ALIGNMENT,
 			PIPE_BUFFER_USAGE_VERTEX,
-			sizeof(struct vlVertex2f) * 4 * 24 * num_mb_per_frame
+			sizeof(struct vlVertex2f) * 2 * 24 * mc->macroblocks_per_picture
 		);
-
-		for (i = 1; i < 3; ++i)
-		{
-			mc->vertex_bufs[h][i].pitch = sizeof(struct vlVertex2f) * 2;
-			mc->vertex_bufs[h][i].max_index = 24 * num_mb_per_frame - 1;
-			mc->vertex_bufs[h][i].buffer_offset = 0;
-			mc->vertex_bufs[h][i].buffer = pipe->winsys->buffer_create
-			(
-				pipe->winsys,
-				1,
-				PIPE_BUFFER_USAGE_VERTEX,
-				sizeof(struct vlVertex2f) * 2 * 24 * num_mb_per_frame
-			);
-		}
 	}
 
 	/* Position element */
@@ -973,7 +984,7 @@ static int vlCreateDataBufs
 	mc->vs_const_buf.buffer = pipe->winsys->buffer_create
 	(
 		pipe->winsys,
-		1,
+		DEFAULT_BUF_ALIGNMENT,
 		PIPE_BUFFER_USAGE_CONSTANT,
 		mc->vs_const_buf.size
 	);
@@ -982,7 +993,7 @@ static int vlCreateDataBufs
 	mc->fs_const_buf.buffer = pipe->winsys->buffer_create
 	(
 		pipe->winsys,
-		1,
+		DEFAULT_BUF_ALIGNMENT,
 		PIPE_BUFFER_USAGE_CONSTANT,
 		mc->fs_const_buf.size
 	);
@@ -996,7 +1007,7 @@ static int vlCreateDataBufs
 
 	pipe->winsys->buffer_unmap(pipe->winsys, mc->fs_const_buf.buffer);
 
-	mc->macroblocks = malloc(sizeof(struct vlMpeg2MacroBlock) * num_mb_per_frame);
+	mc->macroblocks = MALLOC(sizeof(struct vlMpeg2MacroBlock) * mc->macroblocks_per_picture);
 
 	return 0;
 }
@@ -1016,6 +1027,13 @@ static int vlInit
 
 	pipe = mc->pipe;
 
+	mc->buffered_surface = NULL;
+	mc->past_surface = NULL;
+	mc->future_surface = NULL;
+	for (i = 0; i < 3; ++i)
+		mc->zero_block[i].x = -1.0f;
+	mc->num_macroblocks = 0;
+
 	/* For MC we render to textures, which are rounded up to nearest POT */
 	mc->viewport.scale[0] = vlRoundUpPOT(mc->picture_width);
 	mc->viewport.scale[1] = vlRoundUpPOT(mc->picture_height);
@@ -1057,7 +1075,7 @@ static int vlInit
 		/*sampler.max_lod = ;*/
 		/*sampler.border_color[i] = ;*/
 		/*sampler.max_anisotropy = ;*/
-		mc->samplers[i] = pipe->create_sampler_state(pipe, &sampler);
+		mc->samplers.all[i] = pipe->create_sampler_state(pipe, &sampler);
 	}
 
 	memset(&template, 0, sizeof(struct pipe_texture));
@@ -1069,10 +1087,9 @@ static int vlInit
 	template.depth[0] = 1;
 	template.compressed = 0;
 	pf_get_block(template.format, &template.block);
-	template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
+	template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_DYNAMIC;
 
-	for (i = 0; i < NUM_BUF_SETS; ++i)
-		mc->textures[i][0] = pipe->screen->texture_create(pipe->screen, &template);
+	mc->textures.y = pipe->screen->texture_create(pipe->screen, &template);
 
 	if (mc->picture_format == vlFormatYCbCr420)
 	{
@@ -1082,13 +1099,10 @@ static int vlInit
 	else if (mc->picture_format == vlFormatYCbCr422)
 		template.height[0] = vlRoundUpPOT(mc->picture_height / 2);
 
-	for (i = 0; i < NUM_BUF_SETS; ++i)
-	{
-		mc->textures[i][1] = pipe->screen->texture_create(pipe->screen, &template);
-		mc->textures[i][2] = pipe->screen->texture_create(pipe->screen, &template);
-	}
+	mc->textures.cb = pipe->screen->texture_create(pipe->screen, &template);
+	mc->textures.cr = pipe->screen->texture_create(pipe->screen, &template);
 
-	/* textures[3] & textures[4] are assigned from vlSurfaces for P and B macroblocks at render time */
+	/* textures.all[3] & textures.all[4] are assigned from vlSurfaces for P and B macroblocks at render time */
 
 	vlCreateVertexShaderIMB(mc);
 	vlCreateFragmentShaderIMB(mc);
@@ -1114,13 +1128,12 @@ int vlCreateR16SNormBufferedMC
 	struct vlRender **render
 )
 {
-	struct vlR16SnormBufferedMC	*mc;
-	unsigned int			i;
+	struct vlR16SnormBufferedMC *mc;
 
 	assert(pipe);
 	assert(render);
 
-	mc = calloc(1, sizeof(struct vlR16SnormBufferedMC));
+	mc = CALLOC_STRUCT(vlR16SnormBufferedMC);
 
 	mc->base.vlBegin = &vlBegin;
 	mc->base.vlRenderMacroBlocksMpeg2 = &vlRenderMacroBlocksMpeg2R16SnormBuffered;
@@ -1131,14 +1144,6 @@ int vlCreateR16SNormBufferedMC
 	mc->picture_width = picture_width;
 	mc->picture_height = picture_height;
 
-	mc->cur_buf = 0;
-	mc->buffered_surface = NULL;
-	mc->past_surface = NULL;
-	mc->future_surface = NULL;
-	for (i = 0; i < 3; ++i)
-		mc->zero_block[i].x = -1.0f;
-	mc->num_macroblocks = 0;
-
 	vlInit(mc);
 
 	*render = &mc->base;
diff --git a/src/gallium/state_trackers/g3dvl/vl_screen.c b/src/gallium/state_trackers/g3dvl/vl_screen.c
index 484f63b0d4..ade8643a66 100644
--- a/src/gallium/state_trackers/g3dvl/vl_screen.c
+++ b/src/gallium/state_trackers/g3dvl/vl_screen.c
@@ -1,7 +1,7 @@
 #define VL_INTERNAL
 #include "vl_screen.h"
 #include <assert.h>
-#include <stdlib.h>
+#include <util/u_memory.h>
 
 int vlCreateScreen
 (
@@ -17,7 +17,7 @@ int vlCreateScreen
 	assert(pscreen);
 	assert(vl_screen);
 
-	scrn = calloc(1, sizeof(struct vlScreen));
+	scrn = CALLOC_STRUCT(vlScreen);
 
 	if (!scrn)
 		return 1;
@@ -37,7 +37,7 @@ int vlDestroyScreen
 {
 	assert(screen);
 
-	free(screen);
+	FREE(screen);
 
 	return 0;
 }
diff --git a/src/gallium/state_trackers/g3dvl/vl_surface.c b/src/gallium/state_trackers/g3dvl/vl_surface.c
index 076bd40d41..911469f966 100644
--- a/src/gallium/state_trackers/g3dvl/vl_surface.c
+++ b/src/gallium/state_trackers/g3dvl/vl_surface.c
@@ -1,11 +1,11 @@
 #define VL_INTERNAL
 #include "vl_surface.h"
 #include <assert.h>
-#include <stdlib.h>
 #include <string.h>
 #include <pipe/p_screen.h>
 #include <pipe/p_state.h>
 #include <pipe/p_inlines.h>
+#include <util/u_memory.h>
 #include <vl_winsys.h>
 #include "vl_screen.h"
 #include "vl_context.h"
@@ -28,7 +28,7 @@ int vlCreateSurface
 	assert(screen);
 	assert(surface);
 
-	sfc = calloc(1, sizeof(struct vlSurface));
+	sfc = CALLOC_STRUCT(vlSurface);
 
 	if (!sfc)
 		return 1;
@@ -64,7 +64,7 @@ int vlDestroySurface
 	assert(surface);
 
 	pipe_texture_release(&surface->texture);
-	free(surface);
+	FREE(surface);
 
 	return 0;
 }