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intel: Don't return a renderbuffer with alpha when just GL_RGB is requested.

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Fixes oglconform rbGetterFuncs testcase.  The span code for this mode hasn't
actually been tested.
This commit is contained in:
Eric Anholt
2008-07-26 17:12:04 -07:00
parent 1e645b3659
commit 902e401a38
2 changed files with 72 additions and 0 deletions
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64
src/mesa/drivers/dri/intel/intel_span.c
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@@ -74,6 +74,15 @@ pread_32(struct intel_renderbuffer *irb, uint32_t offset)
return *(uint32_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1)));
}
static uint32_t
pread_xrgb8888(struct intel_renderbuffer *irb, uint32_t offset)
{
get_span_cache(irb, offset);
return *(uint32_t *)(irb->span_cache + (offset & (SPAN_CACHE_SIZE - 1))) |
0xff000000;
}
static uint16_t
pread_16(struct intel_renderbuffer *irb, uint32_t offset)
{
@@ -98,6 +107,14 @@ pwrite_32(struct intel_renderbuffer *irb, uint32_t offset, uint32_t val)
dri_bo_subdata(irb->region->buffer, offset, 4, &val);
}
static void
pwrite_xrgb8888(struct intel_renderbuffer *irb, uint32_t offset, uint32_t val)
{
clear_span_cache(irb);
dri_bo_subdata(irb->region->buffer, offset, 3, &val);
}
static void
pwrite_16(struct intel_renderbuffer *irb, uint32_t offset, uint16_t val)
{
@@ -301,6 +318,17 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
#define PUT_VALUE(X, Y, V) pwrite_32(irb, no_tile_swizzle(irb, intel, X, Y), V)
#include "spantmp2.h"
/* 32 bit, xRGB8888 color spanline and pixel functions
*/
#define SPANTMP_PIXEL_FMT GL_BGRA
#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
#define TAG(x) intel##x##_xRGB8888
#define TAG2(x,y) intel##x##_xRGB8888##y
#define GET_VALUE(X, Y) pread_xrgb8888(irb, no_tile_swizzle(irb, intel, X, Y))
#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, no_tile_swizzle(irb, intel, X, Y), V)
#include "spantmp2.h"
/* 16 bit RGB565 color tile spanline and pixel functions
*/
@@ -343,6 +371,27 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
#define PUT_VALUE(X, Y, V) pwrite_32(irb, y_tile_swizzle(irb, intel, X, Y), V)
#include "spantmp2.h"
/* 32 bit xRGB888 color tile spanline and pixel functions
*/
#define SPANTMP_PIXEL_FMT GL_BGRA
#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
#define TAG(x) intel_XTile_##x##_xRGB8888
#define TAG2(x,y) intel_XTile_##x##_xRGB8888##y
#define GET_VALUE(X, Y) pread_xrgb8888(irb, x_tile_swizzle(irb, intel, X, Y))
#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, x_tile_swizzle(irb, intel, X, Y), V)
#include "spantmp2.h"
#define SPANTMP_PIXEL_FMT GL_BGRA
#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
#define TAG(x) intel_YTile_##x##_xRGB8888
#define TAG2(x,y) intel_YTile_##x##_xRGB8888##y
#define GET_VALUE(X, Y) pread_xrgb8888(irb, y_tile_swizzle(irb, intel, X, Y))
#define PUT_VALUE(X, Y, V) pwrite_xrgb8888(irb, y_tile_swizzle(irb, intel, X, Y), V)
#include "spantmp2.h"
#define LOCAL_DEPTH_VARS \
struct intel_context *intel = intel_context(ctx); \
struct intel_renderbuffer *irb = intel_renderbuffer(rb); \
@@ -677,6 +726,21 @@ intel_set_span_functions(struct intel_context *intel,
break;
}
}
else if (rb->_ActualFormat == GL_RGB8) {
/* 8888 RGBx */
switch (tiling) {
case I915_TILING_NONE:
default:
intelInitPointers_xRGB8888(rb);
break;
case I915_TILING_X:
intel_XTile_InitPointers_xRGB8888(rb);
break;
case I915_TILING_Y:
intel_YTile_InitPointers_xRGB8888(rb);
break;
}
}
else if (rb->_ActualFormat == GL_RGBA8) {
/* 8888 RGBA */
switch (tiling) {