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

Browse source 
no point duplicating code that doesn't touch hw, also make it easier
to spot mistakes
This commit is contained in:
Dave Airlie 2010-10-21 19:11:23 +10:00
parent e68c83a5a0
commit f39e6c9c81
6 changed files with 367 additions and 339 deletions
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4
src/gallium/drivers/r600/Makefile
View file

@ -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

66
src/gallium/drivers/r600/evergreen_state.c
View file

@ -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);
}

20
src/gallium/drivers/r600/r600_pipe.h
View file

@ -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
*/

282
src/gallium/drivers/r600/r600_state.c
View file

@ -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)
{

123
src/gallium/drivers/r600/r600_state_common.c Normal file
View file

@ -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;
}

211
src/gallium/drivers/r600/r600_translate.c Normal file
View file

@ -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;
}
}