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svga: improve loops over color buffers

Browse source 
Only loop over the actual number of color buffers supported, not
PIPE_MAX_COLOR_BUFS.

Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2013-11-07 17:28:33 -07:00
parent 2182d2db28
commit 34ce1a8502
6 changed files with 20 additions and 10 deletions
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3
src/gallium/drivers/svga/svga_context.c
View file

@ -246,6 +246,7 @@ void svga_hwtnl_flush_buffer( struct svga_context *svga,
*/
void svga_surfaces_flush(struct svga_context *svga)
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
unsigned i;
/* Emit buffered drawing commands.
@ -254,7 +255,7 @@ void svga_surfaces_flush(struct svga_context *svga)
/* Emit back-copy from render target view to texture.
*/
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
for (i = 0; i < svgascreen->max_color_buffers; i++) {
if (svga->curr.framebuffer.cbufs[i])
svga_propagate_surface(svga, svga->curr.framebuffer.cbufs[i]);
}

6
src/gallium/drivers/svga/svga_pipe_misc.c
View file

@ -28,6 +28,7 @@
#include "util/u_inlines.h"
#include "svga_context.h"
#include "svga_screen.h"
#include "svga_surface.h"
@ -52,11 +53,12 @@ static void svga_set_polygon_stipple( struct pipe_context *pipe,
void svga_cleanup_framebuffer(struct svga_context *svga)
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
struct pipe_framebuffer_state *curr = &svga->curr.framebuffer;
struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer;
int i;
unsigned i;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
for (i = 0; i < svgascreen->max_color_buffers; i++) {
pipe_surface_reference(&curr->cbufs[i], NULL);
pipe_surface_reference(&hw->cbufs[i], NULL);
}

10
src/gallium/drivers/svga/svga_screen.c
View file

@ -154,10 +154,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TGSI_TEXCOORD:
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
/* The SVGA3D device always supports 4 targets at this time, regardless
* of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
*/
return 4;
return svgascreen->max_color_buffers;
case PIPE_CAP_OCCLUSION_QUERY:
return 1;
case PIPE_CAP_QUERY_TIME_ELAPSED:
@ -661,6 +658,11 @@ svga_screen_create(struct svga_winsys_screen *sws)
svgascreen->maxPointSize = MIN2(result.f, 80.0f);
}
/* The SVGA3D device always supports 4 targets at this time, regardless
* of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
*/
svgascreen->max_color_buffers = 4;
pipe_mutex_init(svgascreen->tex_mutex);
pipe_mutex_init(svgascreen->swc_mutex);

1
src/gallium/drivers/svga/svga_screen.h
View file

@ -48,6 +48,7 @@ struct svga_screen
SVGA3dHardwareVersion hw_version;
float maxPointSize;
unsigned max_color_buffers;
struct {
boolean force_level_surface_view;

7
src/gallium/drivers/svga/svga_state_framebuffer.c
View file

@ -31,6 +31,7 @@
#include "svga_state.h"
#include "svga_cmd.h"
#include "svga_debug.h"
#include "svga_screen.h"
/*
@ -54,6 +55,7 @@ static enum pipe_error
emit_framebuffer( struct svga_context *svga,
unsigned dirty )
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
const struct pipe_framebuffer_state *curr = &svga->curr.framebuffer;
struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer;
boolean reemit = svga->rebind.rendertargets;
@ -65,7 +67,7 @@ emit_framebuffer( struct svga_context *svga,
* dirty, to ensure that the resources are paged in.
*/
for(i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
for (i = 0; i < svgascreen->max_color_buffers; i++) {
if (curr->cbufs[i] != hw->cbufs[i] ||
(reemit && hw->cbufs[i])) {
if (svga->curr.nr_fbs++ > MAX_RT_PER_BATCH)
@ -118,13 +120,14 @@ emit_framebuffer( struct svga_context *svga,
enum pipe_error
svga_reemit_framebuffer_bindings(struct svga_context *svga)
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
struct pipe_framebuffer_state *hw = &svga->state.hw_clear.framebuffer;
unsigned i;
enum pipe_error ret;
assert(svga->rebind.rendertargets);
for (i = 0; i < MIN2(PIPE_MAX_COLOR_BUFS, 8); ++i) {
for (i = 0; i < svgascreen->max_color_buffers; i++) {
if (hw->cbufs[i]) {
ret = SVGA3D_SetRenderTarget(svga->swc, SVGA3D_RT_COLOR0 + i, hw->cbufs[i]);
if (ret != PIPE_OK) {

3
src/gallium/drivers/svga/svga_surface.c
View file

@ -323,9 +323,10 @@ svga_mark_surface_dirty(struct pipe_surface *surf)
void
svga_mark_surfaces_dirty(struct svga_context *svga)
{
struct svga_screen *svgascreen = svga_screen(svga->pipe.screen);
unsigned i;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
for (i = 0; i < svgascreen->max_color_buffers; i++) {
if (svga->curr.framebuffer.cbufs[i])
svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
}