r600g: start splitting out common code from eg/r600.

no point duplicating code that doesn't touch hw, also make it easier
to spot mistakes

6 files changed, 367 insertions, 339 deletions

diff --git a/src/gallium/drivers/r600/Makefile b/src/gallium/drivers/r600/Makefile
index ede0bb2ec4..a484f38e9f 100644
--- a/src/gallium/drivers/r600/Makefile
+++ b/src/gallium/drivers/r600/Makefile
@@ -19,6 +19,8 @@ C_SOURCES = \
 	r600_texture.c \
 	r700_asm.c \
 	evergreen_state.c \
-	eg_asm.c
+	eg_asm.c \
+	r600_translate.c \
+	r600_state_common.c
 
 include ../../Makefile.template
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 0b54c2c716..f394527edf 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -377,19 +377,6 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
 	return rstate;
 }
 
-static void *evergreen_create_vertex_elements(struct pipe_context *ctx,
-				unsigned count,
-				const struct pipe_vertex_element *elements)
-{
-	struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
-
-	assert(count < 32);
-	v->count = count;
-	v->refcount = 1;
-	memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
-	return v;
-}
-
 static void evergreen_sampler_view_destroy(struct pipe_context *ctx,
 				      struct pipe_sampler_view *state)
 {
@@ -935,40 +922,6 @@ static void evergreen_set_framebuffer_state(struct pipe_context *ctx,
 	r600_context_pipe_state_set(&rctx->ctx, rstate);
 }
 
-static void evergreen_set_index_buffer(struct pipe_context *ctx,
-				  const struct pipe_index_buffer *ib)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-
-	if (ib) {
-		pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
-		memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
-	} else {
-		pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
-		memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
-	}
-
-	/* TODO make this more like a state */
-}
-
-static void evergreen_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
-					const struct pipe_vertex_buffer *buffers)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-
-	for (int i = 0; i < rctx->nvertex_buffer; i++) {
-		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
-	}
-	memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
-	for (int i = 0; i < count; i++) {
-		rctx->vertex_buffer[i].buffer = NULL;
-		if (r600_buffer_is_user_buffer(buffers[i].buffer))
-			rctx->any_user_vbs = TRUE;
-		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
-	}
-	rctx->nvertex_buffer = count;
-}
-
 static void evergreen_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 					struct pipe_resource *buffer)
 {
@@ -1065,7 +1018,7 @@ void evergreen_init_state_functions(struct r600_pipe_context *rctx)
 	rctx->context.create_rasterizer_state = evergreen_create_rs_state;
 	rctx->context.create_sampler_state = evergreen_create_sampler_state;
 	rctx->context.create_sampler_view = evergreen_create_sampler_view;
-	rctx->context.create_vertex_elements_state = evergreen_create_vertex_elements;
+	rctx->context.create_vertex_elements_state = r600_create_vertex_elements;
 	rctx->context.create_vs_state = evergreen_create_shader_state;
 	rctx->context.bind_blend_state = evergreen_bind_blend_state;
 	rctx->context.bind_depth_stencil_alpha_state = evergreen_bind_state;
@@ -1091,8 +1044,8 @@ void evergreen_init_state_functions(struct r600_pipe_context *rctx)
 	rctx->context.set_sample_mask = evergreen_set_sample_mask;
 	rctx->context.set_scissor_state = evergreen_set_scissor_state;
 	rctx->context.set_stencil_ref = evergreen_set_stencil_ref;
-	rctx->context.set_vertex_buffers = evergreen_set_vertex_buffers;
-	rctx->context.set_index_buffer = evergreen_set_index_buffer;
+	rctx->context.set_vertex_buffers = r600_set_vertex_buffers;
+	rctx->context.set_index_buffer = r600_set_index_buffer;
 	rctx->context.set_vertex_sampler_views = evergreen_set_vs_sampler_view;
 	rctx->context.set_viewport_state = evergreen_set_viewport_state;
 	rctx->context.sampler_view_destroy = evergreen_sampler_view_destroy;
@@ -1378,6 +1331,12 @@ void evergreen_draw(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	struct r600_draw rdraw;
 	struct r600_pipe_state vgt;
 	struct r600_drawl draw;
+	boolean translate = FALSE;
+
+	if (rctx->vertex_elements->incompatible_layout) {
+		r600_begin_vertex_translate(rctx);
+		translate = TRUE;
+	}
 
 	if (rctx->any_user_vbs) {
 		r600_upload_user_buffers(rctx);
@@ -1454,11 +1413,11 @@ void evergreen_draw(struct pipe_context *ctx, const struct pipe_draw_info *info)
 			vertex_buffer->buffer_offset +
 			r600_bo_offset(rbuffer->bo);
 
-		format = r600_translate_vertex_data_type(rctx->vertex_elements->elements[i].src_format);
+		format = r600_translate_vertex_data_type(rctx->vertex_elements->hw_format[i]);
 
 		word2 = format | S_030008_STRIDE(vertex_buffer->stride);
 
-		word3 = r600_translate_vertex_data_swizzle(rctx->vertex_elements->elements[i].src_format);
+		word3 = r600_translate_vertex_data_swizzle(rctx->vertex_elements->hw_format[i]);
 
 		r600_pipe_state_add_reg(rstate, R_030000_RESOURCE0_WORD0, offset, 0xFFFFFFFF, rbuffer->bo);
 		r600_pipe_state_add_reg(rstate, R_030004_RESOURCE0_WORD1, rbuffer->size - offset - 1, 0xFFFFFFFF, NULL);
@@ -1539,6 +1498,9 @@ void evergreen_draw(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	}
 	evergreen_context_draw(&rctx->ctx, &rdraw);
 
+	if (translate)
+		r600_end_vertex_translate(rctx);
+
 	pipe_resource_reference(&draw.index_buffer, NULL);
 }
 
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 7fb47b608e..11410f17c7 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -216,10 +216,6 @@ int r600_find_vs_semantic_index(struct r600_shader *vs,
 void r600_init_state_functions(struct r600_pipe_context *rctx);
 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 void r600_init_config(struct r600_pipe_context *rctx);
-void r600_translate_index_buffer(struct r600_pipe_context *r600,
-					struct pipe_resource **index_buffer,
-					unsigned *index_size,
-					unsigned *start, unsigned count);
 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
 /* r600_helper.h */
 int r600_conv_pipe_prim(unsigned pprim, unsigned *prim);
@@ -230,6 +226,22 @@ uint32_t r600_translate_texformat(enum pipe_format format,
 				  const unsigned char *swizzle_view, 
 				  uint32_t *word4_p, uint32_t *yuv_format_p);
 
+/* r600_translate.c */
+void r600_begin_vertex_translate(struct r600_pipe_context *rctx);
+void r600_end_vertex_translate(struct r600_pipe_context *rctx);
+void r600_translate_index_buffer(struct r600_pipe_context *r600,
+				 struct pipe_resource **index_buffer,
+				 unsigned *index_size,
+				 unsigned *start, unsigned count);
+
+/* r600_state_common.c */
+void r600_set_index_buffer(struct pipe_context *ctx,
+			   const struct pipe_index_buffer *ib);
+void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
+			     const struct pipe_vertex_buffer *buffers);
+void *r600_create_vertex_elements(struct pipe_context *ctx,
+				  unsigned count,
+				  const struct pipe_vertex_element *elements);
 /*
  * common helpers
  */
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 5cc4b3044b..df2c05ea13 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -37,10 +37,7 @@
 #include <util/u_memory.h>
 #include <util/u_inlines.h>
 #include <util/u_upload_mgr.h>
-#include <util/u_index_modify.h>
 #include <util/u_framebuffer.h>
-#include "translate/translate_cache.h"
-#include "translate/translate.h"
 #include <pipebuffer/pb_buffer.h>
 #include "r600.h"
 #include "r600d.h"
@@ -184,195 +181,6 @@ static void r600_draw_common(struct r600_drawl *draw)
 	r600_context_draw(&rctx->ctx, &rdraw);
 }
 
-static void r600_begin_vertex_translate(struct r600_pipe_context *rctx)
-{
-	struct pipe_context *pipe = &rctx->context;
-	struct translate_key key = {0};
-	struct translate_element *te;
-	unsigned tr_elem_index[PIPE_MAX_ATTRIBS] = {0};
-	struct translate *tr;
-	struct r600_vertex_element *ve = rctx->vertex_elements;
-	boolean vb_translated[PIPE_MAX_ATTRIBS] = {0};
-	void *vb_map[PIPE_MAX_ATTRIBS] = {0}, *out_map;
-	struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}, *out_transfer;
-	struct pipe_resource *out_buffer;
-	unsigned i, num_verts;
-
-	/* Initialize the translate key, i.e. the recipe how vertices should be
-	 * translated. */
-	for (i = 0; i < ve->count; i++) {
-		struct pipe_vertex_buffer *vb =
-			&rctx->vertex_buffer[ve->elements[i].vertex_buffer_index];
-		enum pipe_format output_format = ve->hw_format[i];
-		unsigned output_format_size = ve->hw_format_size[i];
-
-		/* Check for support. */
-		if (ve->elements[i].src_format == ve->hw_format[i] &&
-		    (vb->buffer_offset + ve->elements[i].src_offset) % 4 == 0 &&
-		    vb->stride % 4 == 0) {
-			continue;
-		}
-
-		/* Workaround for translate: output floats instead of halfs. */
-		switch (output_format) {
-		case PIPE_FORMAT_R16_FLOAT:
-			output_format = PIPE_FORMAT_R32_FLOAT;
-			output_format_size = 4;
-			break;
-		case PIPE_FORMAT_R16G16_FLOAT:
-			output_format = PIPE_FORMAT_R32G32_FLOAT;
-			output_format_size = 8;
-			break;
-		case PIPE_FORMAT_R16G16B16_FLOAT:
-			output_format = PIPE_FORMAT_R32G32B32_FLOAT;
-			output_format_size = 12;
-			break;
-		case PIPE_FORMAT_R16G16B16A16_FLOAT:
-			output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-			output_format_size = 16;
-			break;
-		default:;
-		}
-
-		/* Add this vertex element. */
-		te = &key.element[key.nr_elements];
-		/*te->type;
-		  te->instance_divisor;*/
-		te->input_buffer = ve->elements[i].vertex_buffer_index;
-		te->input_format = ve->elements[i].src_format;
-		te->input_offset = vb->buffer_offset + ve->elements[i].src_offset;
-		te->output_format = output_format;
-		te->output_offset = key.output_stride;
-
-		key.output_stride += output_format_size;
-		vb_translated[ve->elements[i].vertex_buffer_index] = TRUE;
-		tr_elem_index[i] = key.nr_elements;
-		key.nr_elements++;
-	}
-
-	/* Get a translate object. */
-	tr = translate_cache_find(rctx->tran.translate_cache, &key);
-
-	/* Map buffers we want to translate. */
-	for (i = 0; i < rctx->nvertex_buffer; i++) {
-		if (vb_translated[i]) {
-			struct pipe_vertex_buffer *vb = &rctx->vertex_buffer[i];
-
-			vb_map[i] = pipe_buffer_map(pipe, vb->buffer,
-						    PIPE_TRANSFER_READ, &vb_transfer[i]);
-
-			tr->set_buffer(tr, i, vb_map[i], vb->stride, vb->max_index);
-		}
-	}
-
-	/* Create and map the output buffer. */
-	num_verts = rctx->vb_max_index + 1;
-
-	out_buffer = pipe_buffer_create(&rctx->screen->screen,
-					PIPE_BIND_VERTEX_BUFFER,
-					key.output_stride * num_verts);
-
-	out_map = pipe_buffer_map(pipe, out_buffer, PIPE_TRANSFER_WRITE,
-				  &out_transfer);
-
-	/* Translate. */
-	tr->run(tr, 0, num_verts, 0, out_map);
-
-	/* Unmap all buffers. */
-	for (i = 0; i < rctx->nvertex_buffer; i++) {
-		if (vb_translated[i]) {
-			pipe_buffer_unmap(pipe, rctx->vertex_buffer[i].buffer,
-					  vb_transfer[i]);
-		}
-	}
-
-	{
-		float *flt = out_map;
-		fprintf(stderr,"num verts is %d\n", num_verts);
-		for (i = 0; i < num_verts; i++) {
-			fprintf(stderr,"%f %f\n", flt[i*2], flt[i*2+1]);
-		}
-	}
-	pipe_buffer_unmap(pipe, out_buffer, out_transfer);
-
-	/* Setup the new vertex buffer in the first free slot. */
-	for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
-		struct pipe_vertex_buffer *vb = &rctx->vertex_buffer[i];
-
-		if (!vb->buffer) {
-			pipe_resource_reference(&vb->buffer, out_buffer);
-			vb->buffer_offset = 0;
-			vb->max_index = num_verts - 1;
-			vb->stride = key.output_stride;
-			rctx->tran.vb_slot = i;
-			break;
-		}
-	}
-
-	/* Save and replace vertex elements. */
-	{
-		struct pipe_vertex_element new_velems[PIPE_MAX_ATTRIBS];
-
-		rctx->tran.saved_velems = rctx->vertex_elements;
-
-		for (i = 0; i < ve->count; i++) {
-			if (vb_translated[ve->elements[i].vertex_buffer_index]) {
-				te = &key.element[tr_elem_index[i]];
-				new_velems[i].instance_divisor = ve->elements[i].instance_divisor;
-				new_velems[i].src_format = te->output_format;
-				new_velems[i].src_offset = te->output_offset;
-				new_velems[i].vertex_buffer_index = rctx->tran.vb_slot;
-			} else {
-				memcpy(&new_velems[i], &ve->elements[i],
-				       sizeof(struct pipe_vertex_element));
-			}
-		}
-
-		rctx->tran.new_velems =
-			pipe->create_vertex_elements_state(pipe, ve->count, new_velems);
-		pipe->bind_vertex_elements_state(pipe, rctx->tran.new_velems);
-	}
-
-	pipe_resource_reference(&out_buffer, NULL);
-}
-
-static void r600_end_vertex_translate(struct r600_pipe_context *rctx)
-{
-	struct pipe_context *pipe = &rctx->context;
-
-	/* Restore vertex elements. */
-	pipe->bind_vertex_elements_state(pipe, rctx->tran.saved_velems);
-	pipe->delete_vertex_elements_state(pipe, rctx->tran.new_velems);
-
-	/* Delete the now-unused VBO. */
-	pipe_resource_reference(&rctx->vertex_buffer[rctx->tran.vb_slot].buffer,
-				NULL);
-}
-
-void r600_translate_index_buffer(struct r600_pipe_context *r600,
-					struct pipe_resource **index_buffer,
-					unsigned *index_size,
-					unsigned *start, unsigned count)
-{
-	switch (*index_size) {
-	case 1:
-		util_shorten_ubyte_elts(&r600->context, index_buffer, 0, *start, count);
-		*index_size = 2;
-		*start = 0;
-		break;
-
-	case 2:
-		if (*start % 2 != 0) {
-			util_rebuild_ushort_elts(&r600->context, index_buffer, 0, *start, count);
-			*start = 0;
-		}
-		break;
-
-	case 4:
-		break;
-	}
-}
-
 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 {
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
@@ -757,47 +565,6 @@ static void *r600_create_sampler_state(struct pipe_context *ctx,
 	return rstate;
 }
 
-#define FORMAT_REPLACE(what, withwhat) \
-	case PIPE_FORMAT_##what: *format = PIPE_FORMAT_##withwhat; break
-
-static void *r600_create_vertex_elements(struct pipe_context *ctx,
-				unsigned count,
-				const struct pipe_vertex_element *elements)
-{
-	struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
-	int i;
-	enum pipe_format *format;
-
-	assert(count < 32);
-	if (!v)
-		return NULL;
-
-	v->count = count;
-	memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
-
-	for (i = 0; i < count; i++) {
-		v->hw_format[i] = v->elements[i].src_format;
-		format = &v->hw_format[i];
-
-		switch (*format) {
-                    FORMAT_REPLACE(R64_FLOAT,           R32_FLOAT);
-                    FORMAT_REPLACE(R64G64_FLOAT,        R32G32_FLOAT);
-                    FORMAT_REPLACE(R64G64B64_FLOAT,     R32G32B32_FLOAT);
-                    FORMAT_REPLACE(R64G64B64A64_FLOAT,  R32G32B32A32_FLOAT);
-		default:;
-		}
-		v->incompatible_layout =
-			v->incompatible_layout ||
-			v->elements[i].src_format != v->hw_format[i] ||
-			v->elements[i].src_offset % 4 != 0;
-
-                v->hw_format_size[i] =
-			align(util_format_get_blocksize(v->hw_format[i]), 4);
-	}
-
-	v->refcount = 1;
-	return v;
-}
 
 static void r600_sampler_view_destroy(struct pipe_context *ctx,
 				      struct pipe_sampler_view *state)
@@ -1348,55 +1115,6 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
 	r600_context_pipe_state_set(&rctx->ctx, rstate);
 }
 
-static void r600_set_index_buffer(struct pipe_context *ctx,
-				  const struct pipe_index_buffer *ib)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-
-	if (ib) {
-		pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
-		memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
-	} else {
-		pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
-		memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
-	}
-
-	/* TODO make this more like a state */
-}
-
-static void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
-					const struct pipe_vertex_buffer *buffers)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-	struct pipe_vertex_buffer *vbo;
-	unsigned max_index = (unsigned)-1, vbo_max_index;
-
-	for (int i = 0; i < rctx->nvertex_buffer; i++) {
-		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
-	}
-	memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
-
-	for (int i = 0; i < count; i++) {
-		vbo = (struct pipe_vertex_buffer*)&buffers[i];
-
-		rctx->vertex_buffer[i].buffer = NULL;
-		if (r600_buffer_is_user_buffer(buffers[i].buffer))
-			rctx->any_user_vbs = TRUE;
-		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
-
-		if (vbo->max_index == ~0) {
-			if (!vbo->stride)
-				vbo->max_index = 1;
-			else
-				vbo->max_index = (vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
-		}
-	
-		max_index = MIN2(vbo->max_index, max_index);
-	}
-	rctx->nvertex_buffer = count;
-	rctx->vb_max_index = max_index;
-}
-
 static void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 					struct pipe_resource *buffer)
 {
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
new file mode 100644
index 0000000000..722ce32263
--- /dev/null
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *           2010 Jerome Glisse
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ *          Jerome Glisse <jglisse@redhat.com>
+ */
+#include <util/u_memory.h>
+#include <util/u_format.h>
+#include <pipebuffer/pb_buffer.h>
+#include "r600_pipe.h"
+
+/* common state between evergreen and r600 */
+
+void r600_set_index_buffer(struct pipe_context *ctx,
+			   const struct pipe_index_buffer *ib)
+{
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+
+	if (ib) {
+		pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
+		memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
+	} else {
+		pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
+		memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
+	}
+
+	/* TODO make this more like a state */
+}
+
+void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
+			     const struct pipe_vertex_buffer *buffers)
+{
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+	struct pipe_vertex_buffer *vbo;
+	unsigned max_index = (unsigned)-1;
+
+	for (int i = 0; i < rctx->nvertex_buffer; i++) {
+		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
+	}
+	memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
+
+	for (int i = 0; i < count; i++) {
+		vbo = (struct pipe_vertex_buffer*)&buffers[i];
+
+		rctx->vertex_buffer[i].buffer = NULL;
+		if (r600_buffer_is_user_buffer(buffers[i].buffer))
+			rctx->any_user_vbs = TRUE;
+		pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
+
+		if (vbo->max_index == ~0) {
+			if (!vbo->stride)
+				vbo->max_index = 1;
+			else
+				vbo->max_index = (vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
+		}
+		max_index = MIN2(vbo->max_index, max_index);
+	}
+	rctx->nvertex_buffer = count;
+	rctx->vb_max_index = max_index;
+}
+
+
+#define FORMAT_REPLACE(what, withwhat) \
+	case PIPE_FORMAT_##what: *format = PIPE_FORMAT_##withwhat; break
+
+void *r600_create_vertex_elements(struct pipe_context *ctx,
+				  unsigned count,
+				  const struct pipe_vertex_element *elements)
+{
+	struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
+	int i;
+	enum pipe_format *format;
+
+	assert(count < 32);
+	if (!v)
+		return NULL;
+
+	v->count = count;
+	memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
+
+	for (i = 0; i < count; i++) {
+		v->hw_format[i] = v->elements[i].src_format;
+		format = &v->hw_format[i];
+
+		switch (*format) {
+                    FORMAT_REPLACE(R64_FLOAT,           R32_FLOAT);
+                    FORMAT_REPLACE(R64G64_FLOAT,        R32G32_FLOAT);
+                    FORMAT_REPLACE(R64G64B64_FLOAT,     R32G32B32_FLOAT);
+                    FORMAT_REPLACE(R64G64B64A64_FLOAT,  R32G32B32A32_FLOAT);
+		default:;
+		}
+		v->incompatible_layout =
+			v->incompatible_layout ||
+			v->elements[i].src_format != v->hw_format[i] ||
+			v->elements[i].src_offset % 4 != 0;
+
+                v->hw_format_size[i] =
+			align(util_format_get_blocksize(v->hw_format[i]), 4);
+	}
+
+	v->refcount = 1;
+	return v;
+}
diff --git a/src/gallium/drivers/r600/r600_translate.c b/src/gallium/drivers/r600/r600_translate.c
new file mode 100644
index 0000000000..9a07cf2073
--- /dev/null
+++ b/src/gallium/drivers/r600/r600_translate.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ */
+#include "translate/translate_cache.h"
+#include "translate/translate.h"
+#include <pipebuffer/pb_buffer.h>
+#include <util/u_index_modify.h>
+#include "r600_pipe.h"
+
+void r600_begin_vertex_translate(struct r600_pipe_context *rctx)
+{
+	struct pipe_context *pipe = &rctx->context;
+	struct translate_key key = {0};
+	struct translate_element *te;
+	unsigned tr_elem_index[PIPE_MAX_ATTRIBS] = {0};
+	struct translate *tr;
+	struct r600_vertex_element *ve = rctx->vertex_elements;
+	boolean vb_translated[PIPE_MAX_ATTRIBS] = {0};
+	void *vb_map[PIPE_MAX_ATTRIBS] = {0}, *out_map;
+	struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}, *out_transfer;
+	struct pipe_resource *out_buffer;
+	unsigned i, num_verts;
+
+	/* Initialize the translate key, i.e. the recipe how vertices should be
+	 * translated. */
+	for (i = 0; i < ve->count; i++) {
+		struct pipe_vertex_buffer *vb =
+			&rctx->vertex_buffer[ve->elements[i].vertex_buffer_index];
+		enum pipe_format output_format = ve->hw_format[i];
+		unsigned output_format_size = ve->hw_format_size[i];
+
+		/* Check for support. */
+		if (ve->elements[i].src_format == ve->hw_format[i] &&
+		    (vb->buffer_offset + ve->elements[i].src_offset) % 4 == 0 &&
+		    vb->stride % 4 == 0) {
+			continue;
+		}
+
+		/* Workaround for translate: output floats instead of halfs. */
+		switch (output_format) {
+		case PIPE_FORMAT_R16_FLOAT:
+			output_format = PIPE_FORMAT_R32_FLOAT;
+			output_format_size = 4;
+			break;
+		case PIPE_FORMAT_R16G16_FLOAT:
+			output_format = PIPE_FORMAT_R32G32_FLOAT;
+			output_format_size = 8;
+			break;
+		case PIPE_FORMAT_R16G16B16_FLOAT:
+			output_format = PIPE_FORMAT_R32G32B32_FLOAT;
+			output_format_size = 12;
+			break;
+		case PIPE_FORMAT_R16G16B16A16_FLOAT:
+			output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+			output_format_size = 16;
+			break;
+		default:;
+		}
+
+		/* Add this vertex element. */
+		te = &key.element[key.nr_elements];
+		/*te->type;
+		  te->instance_divisor;*/
+		te->input_buffer = ve->elements[i].vertex_buffer_index;
+		te->input_format = ve->elements[i].src_format;
+		te->input_offset = vb->buffer_offset + ve->elements[i].src_offset;
+		te->output_format = output_format;
+		te->output_offset = key.output_stride;
+
+		key.output_stride += output_format_size;
+		vb_translated[ve->elements[i].vertex_buffer_index] = TRUE;
+		tr_elem_index[i] = key.nr_elements;
+		key.nr_elements++;
+	}
+
+	/* Get a translate object. */
+	tr = translate_cache_find(rctx->tran.translate_cache, &key);
+
+	/* Map buffers we want to translate. */
+	for (i = 0; i < rctx->nvertex_buffer; i++) {
+		if (vb_translated[i]) {
+			struct pipe_vertex_buffer *vb = &rctx->vertex_buffer[i];
+
+			vb_map[i] = pipe_buffer_map(pipe, vb->buffer,
+						    PIPE_TRANSFER_READ, &vb_transfer[i]);
+
+			tr->set_buffer(tr, i, vb_map[i], vb->stride, vb->max_index);
+		}
+	}
+
+	/* Create and map the output buffer. */
+	num_verts = rctx->vb_max_index + 1;
+
+	out_buffer = pipe_buffer_create(&rctx->screen->screen,
+					PIPE_BIND_VERTEX_BUFFER,
+					key.output_stride * num_verts);
+
+	out_map = pipe_buffer_map(pipe, out_buffer, PIPE_TRANSFER_WRITE,
+				  &out_transfer);
+
+	/* Translate. */
+	tr->run(tr, 0, num_verts, 0, out_map);
+
+	/* Unmap all buffers. */
+	for (i = 0; i < rctx->nvertex_buffer; i++) {
+		if (vb_translated[i]) {
+			pipe_buffer_unmap(pipe, rctx->vertex_buffer[i].buffer,
+					  vb_transfer[i]);
+		}
+	}
+
+	pipe_buffer_unmap(pipe, out_buffer, out_transfer);
+
+	/* Setup the new vertex buffer in the first free slot. */
+	for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
+		struct pipe_vertex_buffer *vb = &rctx->vertex_buffer[i];
+
+		if (!vb->buffer) {
+			pipe_resource_reference(&vb->buffer, out_buffer);
+			vb->buffer_offset = 0;
+			vb->max_index = num_verts - 1;
+			vb->stride = key.output_stride;
+			rctx->tran.vb_slot = i;
+			break;
+		}
+	}
+
+	/* Save and replace vertex elements. */
+	{
+		struct pipe_vertex_element new_velems[PIPE_MAX_ATTRIBS];
+
+		rctx->tran.saved_velems = rctx->vertex_elements;
+
+		for (i = 0; i < ve->count; i++) {
+			if (vb_translated[ve->elements[i].vertex_buffer_index]) {
+				te = &key.element[tr_elem_index[i]];
+				new_velems[i].instance_divisor = ve->elements[i].instance_divisor;
+				new_velems[i].src_format = te->output_format;
+				new_velems[i].src_offset = te->output_offset;
+				new_velems[i].vertex_buffer_index = rctx->tran.vb_slot;
+			} else {
+				memcpy(&new_velems[i], &ve->elements[i],
+				       sizeof(struct pipe_vertex_element));
+			}
+		}
+
+		rctx->tran.new_velems =
+			pipe->create_vertex_elements_state(pipe, ve->count, new_velems);
+		pipe->bind_vertex_elements_state(pipe, rctx->tran.new_velems);
+	}
+
+	pipe_resource_reference(&out_buffer, NULL);
+}
+
+void r600_end_vertex_translate(struct r600_pipe_context *rctx)
+{
+	struct pipe_context *pipe = &rctx->context;
+
+	/* Restore vertex elements. */
+	pipe->bind_vertex_elements_state(pipe, rctx->tran.saved_velems);
+	pipe->delete_vertex_elements_state(pipe, rctx->tran.new_velems);
+
+	/* Delete the now-unused VBO. */
+	pipe_resource_reference(&rctx->vertex_buffer[rctx->tran.vb_slot].buffer,
+				NULL);
+}
+
+void r600_translate_index_buffer(struct r600_pipe_context *r600,
+					struct pipe_resource **index_buffer,
+					unsigned *index_size,
+					unsigned *start, unsigned count)
+{
+	switch (*index_size) {
+	case 1:
+		util_shorten_ubyte_elts(&r600->context, index_buffer, 0, *start, count);
+		*index_size = 2;
+		*start = 0;
+		break;
+
+	case 2:
+		if (*start % 2 != 0) {
+			util_rebuild_ushort_elts(&r600->context, index_buffer, 0, *start, count);
+			*start = 0;
+		}
+		break;
+
+	case 4:
+		break;
+	}
+}