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commit d88b9700137ee407c483f263bb55c77cd6f92fef
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Fri Apr 13 09:35:38 2012 +0200
EXA: Support acceleration of solid pictures on R3xx-R7xx.
Allocate 1x1 scratch pixmaps to hold the solid picture colours.
This works around https://bugs.freedesktop.org/show_bug.cgi?id=47266 and might
improve performance in other cases as well.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
diff --git a/src/r600_exa.c b/src/r600_exa.c
index e1eb62f..c3ae553 100644
--- a/src/r600_exa.c
+++ b/src/r600_exa.c
@@ -901,17 +901,8 @@ static Bool R600CheckCompositeTexture(PicturePtr pPict,
int op,
int unit)
{
- int w = pPict->pDrawable->width;
- int h = pPict->pDrawable->height;
unsigned int repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
unsigned int i;
- int max_tex_w, max_tex_h;
-
- max_tex_w = 8192;
- max_tex_h = 8192;
-
- if ((w > max_tex_w) || (h > max_tex_h))
- RADEON_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h));
for (i = 0; i < sizeof(R600TexFormats) / sizeof(R600TexFormats[0]); i++) {
if (R600TexFormats[i].fmt == pPict->format)
@@ -951,9 +942,7 @@ static Bool R600TextureSetup(PicturePtr pPict, PixmapPtr pPix,
ScrnInfoPtr pScrn = xf86Screens[pPix->drawable.pScreen->myNum];
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
- int w = pPict->pDrawable->width;
- int h = pPict->pDrawable->height;
- unsigned int repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
+ unsigned int repeatType;
unsigned int i;
tex_resource_t tex_res;
tex_sampler_t tex_samp;
@@ -969,9 +958,16 @@ static Bool R600TextureSetup(PicturePtr pPict, PixmapPtr pPix,
}
/* Texture */
+ if (pPict->pDrawable) {
+ tex_res.w = pPict->pDrawable->width;
+ tex_res.h = pPict->pDrawable->height;
+ repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
+ } else {
+ tex_res.w = 1;
+ tex_res.h = 1;
+ repeatType = RepeatNormal;
+ }
tex_res.id = unit;
- tex_res.w = w;
- tex_res.h = h;
tex_res.pitch = accel_state->src_obj[unit].pitch;
tex_res.depth = 0;
tex_res.dim = SQ_TEX_DIM_2D;
@@ -1170,24 +1166,24 @@ static Bool R600TextureSetup(PicturePtr pPict, PixmapPtr pPix,
vs_alu_consts[0] = xFixedToFloat(pPict->transform->matrix[0][0]);
vs_alu_consts[1] = xFixedToFloat(pPict->transform->matrix[0][1]);
vs_alu_consts[2] = xFixedToFloat(pPict->transform->matrix[0][2]);
- vs_alu_consts[3] = 1.0 / w;
+ vs_alu_consts[3] = 1.0 / tex_res.w;
vs_alu_consts[4] = xFixedToFloat(pPict->transform->matrix[1][0]);
vs_alu_consts[5] = xFixedToFloat(pPict->transform->matrix[1][1]);
vs_alu_consts[6] = xFixedToFloat(pPict->transform->matrix[1][2]);
- vs_alu_consts[7] = 1.0 / h;
+ vs_alu_consts[7] = 1.0 / tex_res.h;
} else {
accel_state->is_transform[unit] = FALSE;
vs_alu_consts[0] = 1.0;
vs_alu_consts[1] = 0.0;
vs_alu_consts[2] = 0.0;
- vs_alu_consts[3] = 1.0 / w;
+ vs_alu_consts[3] = 1.0 / tex_res.w;
vs_alu_consts[4] = 0.0;
vs_alu_consts[5] = 1.0;
vs_alu_consts[6] = 0.0;
- vs_alu_consts[7] = 1.0 / h;
+ vs_alu_consts[7] = 1.0 / tex_res.h;
}
/* VS alu constants */
@@ -1202,33 +1198,30 @@ static Bool R600CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
{
uint32_t tmp1;
PixmapPtr pSrcPixmap, pDstPixmap;
- int max_tex_w, max_tex_h, max_dst_w, max_dst_h;
/* Check for unsupported compositing operations. */
if (op >= (int) (sizeof(R600BlendOp) / sizeof(R600BlendOp[0])))
RADEON_FALLBACK(("Unsupported Composite op 0x%x\n", op));
- if (!pSrcPicture->pDrawable)
- RADEON_FALLBACK(("Solid or gradient pictures not supported yet\n"));
-
- pSrcPixmap = RADEONGetDrawablePixmap(pSrcPicture->pDrawable);
+ if (pSrcPicture->pDrawable) {
+ pSrcPixmap = RADEONGetDrawablePixmap(pSrcPicture->pDrawable);
- max_tex_w = 8192;
- max_tex_h = 8192;
- max_dst_w = 8192;
- max_dst_h = 8192;
+ if (pSrcPixmap->drawable.width >= 8192 ||
+ pSrcPixmap->drawable.height >= 8192) {
+ RADEON_FALLBACK(("Source w/h too large (%d,%d).\n",
+ pSrcPixmap->drawable.width,
+ pSrcPixmap->drawable.height));
+ }
- if (pSrcPixmap->drawable.width >= max_tex_w ||
- pSrcPixmap->drawable.height >= max_tex_h) {
- RADEON_FALLBACK(("Source w/h too large (%d,%d).\n",
- pSrcPixmap->drawable.width,
- pSrcPixmap->drawable.height));
- }
+ if (!R600CheckCompositeTexture(pSrcPicture, pDstPicture, op, 0))
+ return FALSE;
+ } else if (pSrcPicture->pSourcePict->type != SourcePictTypeSolidFill)
+ RADEON_FALLBACK(("Gradient pictures not supported yet\n"));
pDstPixmap = RADEONGetDrawablePixmap(pDstPicture->pDrawable);
- if (pDstPixmap->drawable.width >= max_dst_w ||
- pDstPixmap->drawable.height >= max_dst_h) {
+ if (pDstPixmap->drawable.width >= 8192 ||
+ pDstPixmap->drawable.height >= 8192) {
RADEON_FALLBACK(("Dest w/h too large (%d,%d).\n",
pDstPixmap->drawable.width,
pDstPixmap->drawable.height));
@@ -1237,38 +1230,35 @@ static Bool R600CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
if (pMaskPicture) {
PixmapPtr pMaskPixmap;
- if (!pMaskPicture->pDrawable)
- RADEON_FALLBACK(("Solid or gradient pictures not supported yet\n"));
+ if (pMaskPicture->pDrawable) {
+ pMaskPixmap = RADEONGetDrawablePixmap(pMaskPicture->pDrawable);
- pMaskPixmap = RADEONGetDrawablePixmap(pMaskPicture->pDrawable);
-
- if (pMaskPixmap->drawable.width >= max_tex_w ||
- pMaskPixmap->drawable.height >= max_tex_h) {
- RADEON_FALLBACK(("Mask w/h too large (%d,%d).\n",
- pMaskPixmap->drawable.width,
- pMaskPixmap->drawable.height));
- }
+ if (pMaskPixmap->drawable.width >= 8192 ||
+ pMaskPixmap->drawable.height >= 8192) {
+ RADEON_FALLBACK(("Mask w/h too large (%d,%d).\n",
+ pMaskPixmap->drawable.width,
+ pMaskPixmap->drawable.height));
+ }
- if (pMaskPicture->componentAlpha) {
- /* Check if it's component alpha that relies on a source alpha and
- * on the source value. We can only get one of those into the
- * single source value that we get to blend with.
- */
- if (R600BlendOp[op].src_alpha &&
- (R600BlendOp[op].blend_cntl & COLOR_SRCBLEND_mask) !=
- (BLEND_ZERO << COLOR_SRCBLEND_shift)) {
- RADEON_FALLBACK(("Component alpha not supported with source "
- "alpha and source value blending.\n"));
+ if (pMaskPicture->componentAlpha) {
+ /* Check if it's component alpha that relies on a source alpha and
+ * on the source value. We can only get one of those into the
+ * single source value that we get to blend with.
+ */
+ if (R600BlendOp[op].src_alpha &&
+ (R600BlendOp[op].blend_cntl & COLOR_SRCBLEND_mask) !=
+ (BLEND_ZERO << COLOR_SRCBLEND_shift)) {
+ RADEON_FALLBACK(("Component alpha not supported with source "
+ "alpha and source value blending.\n"));
+ }
}
- }
- if (!R600CheckCompositeTexture(pMaskPicture, pDstPicture, op, 1))
- return FALSE;
+ if (!R600CheckCompositeTexture(pMaskPicture, pDstPicture, op, 1))
+ return FALSE;
+ } else if (pMaskPicture->pSourcePict->type != SourcePictTypeSolidFill)
+ RADEON_FALLBACK(("Gradient pictures not supported yet\n"));
}
- if (!R600CheckCompositeTexture(pSrcPicture, pDstPicture, op, 0))
- return FALSE;
-
if (!R600GetDestFormat(pDstPicture, &tmp1))
return FALSE;
@@ -1280,7 +1270,8 @@ static Bool R600PrepareComposite(int op, PicturePtr pSrcPicture,
PicturePtr pMaskPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
- ScrnInfoPtr pScrn = xf86Screens[pSrc->drawable.pScreen->myNum];
+ ScreenPtr pScreen = pDst->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
uint32_t dst_format;
@@ -1288,15 +1279,21 @@ static Bool R600PrepareComposite(int op, PicturePtr pSrcPicture,
shader_config_t vs_conf, ps_conf;
struct r600_accel_object src_obj, mask_obj, dst_obj;
- if (pDst->drawable.bitsPerPixel < 8 || pSrc->drawable.bitsPerPixel < 8)
+ if (pDst->drawable.bitsPerPixel < 8 || (pSrc && pSrc->drawable.bitsPerPixel < 8))
return FALSE;
+ if (!pSrc) {
+ pSrc = RADEONSolidPixmap(pScreen, pSrcPicture->pSourcePict->solidFill.color);
+ if (!pSrc)
+ RADEON_FALLBACK("Failed to create solid scratch pixmap\n");
+ }
+
#if defined(XF86DRM_MODE)
if (info->cs) {
src_obj.offset = 0;
dst_obj.offset = 0;
- src_obj.bo = radeon_get_pixmap_bo(pSrc);
dst_obj.bo = radeon_get_pixmap_bo(pDst);
+ src_obj.bo = radeon_get_pixmap_bo(pSrc);
dst_obj.tiling_flags = radeon_get_pixmap_tiling(pDst);
src_obj.tiling_flags = radeon_get_pixmap_tiling(pSrc);
dst_obj.surface = radeon_get_pixmap_surface(pDst);
@@ -1322,7 +1319,16 @@ static Bool R600PrepareComposite(int op, PicturePtr pSrcPicture,
dst_obj.bpp = pDst->drawable.bitsPerPixel;
dst_obj.domain = RADEON_GEM_DOMAIN_VRAM;
- if (pMask) {
+ if (pMaskPicture) {
+ if (!pMask) {
+ pMask = RADEONSolidPixmap(pScreen, pMaskPicture->pSourcePict->solidFill.color);
+ if (!pMask) {
+ if (!pSrcPicture->pDrawable)
+ pScreen->DestroyPixmap(pSrc);
+ RADEON_FALLBACK("Failed to create solid scratch pixmap\n");
+ }
+ }
+
#if defined(XF86DRM_MODE)
if (info->cs) {
mask_obj.offset = 0;
@@ -1509,11 +1515,9 @@ static Bool R600PrepareComposite(int op, PicturePtr pSrcPicture,
return TRUE;
}
-static void R600DoneComposite(PixmapPtr pDst)
+static void R600FinishComposite(ScrnInfoPtr pScrn, PixmapPtr pDst,
+ struct radeon_accel_state *accel_state)
{
- ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
- RADEONInfoPtr info = RADEONPTR(pScrn);
- struct radeon_accel_state *accel_state = info->accel_state;
int vtx_size;
if (accel_state->vsync)
@@ -1527,6 +1531,22 @@ static void R600DoneComposite(PixmapPtr pDst)
r600_finish_op(pScrn, vtx_size);
}
+static void R600DoneComposite(PixmapPtr pDst)
+{
+ ScreenPtr pScreen = pDst->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ struct radeon_accel_state *accel_state = info->accel_state;
+
+ R600FinishComposite(pScrn, pDst, accel_state);
+
+ if (!accel_state->src_pic->pDrawable)
+ pScreen->DestroyPixmap(accel_state->src_pix);
+
+ if (accel_state->msk_pic && !accel_state->msk_pic->pDrawable)
+ pScreen->DestroyPixmap(accel_state->msk_pix);
+}
+
static void R600Composite(PixmapPtr pDst,
int srcX, int srcY,
int maskX, int maskY,
@@ -1543,7 +1563,7 @@ static void R600Composite(PixmapPtr pDst,
#ifdef XF86DRM_MODE
if (info->cs && CS_FULL(info->cs)) {
- R600DoneComposite(info->accel_state->dst_pix);
+ R600FinishComposite(pScrn, pDst, info->accel_state);
radeon_cs_flush_indirect(pScrn);
R600PrepareComposite(info->accel_state->composite_op,
info->accel_state->src_pic,
diff --git a/src/radeon_exa_render.c b/src/radeon_exa_render.c
index e5c231f..b6cc9e4 100644
--- a/src/radeon_exa_render.c
+++ b/src/radeon_exa_render.c
@@ -299,8 +299,8 @@ static Bool RADEONSetupSourceTile(PicturePtr pPict,
if (repeatType == RepeatNormal || repeatType == RepeatReflect) {
Bool badPitch = needMatchingPitch && !RADEONPitchMatches(pPix);
- int w = pPict->pDrawable->width;
- int h = pPict->pDrawable->height;
+ int w = pPict->pDrawable ? pPict->pDrawable->width : 1;
+ int h = pPict->pDrawable ? pPict->pDrawable->height : 1;
if (pPict->transform) {
if (badPitch)
@@ -1112,23 +1112,8 @@ static Bool R300CheckCompositeTexture(PicturePtr pPict,
ScreenPtr pScreen = pDstPict->pDrawable->pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
RADEONInfoPtr info = RADEONPTR(pScrn);
-
unsigned int repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
- int w = pPict->pDrawable->width;
- int h = pPict->pDrawable->height;
int i;
- int max_tex_w, max_tex_h;
-
- if (is_r500) {
- max_tex_w = 4096;
- max_tex_h = 4096;
- } else {
- max_tex_w = 2048;
- max_tex_h = 2048;
- }
-
- if ((w > max_tex_w) || (h > max_tex_h))
- RADEON_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h));
for (i = 0; i < sizeof(R300TexFormats) / sizeof(R300TexFormats[0]); i++)
{
@@ -1139,7 +1124,7 @@ static Bool R300CheckCompositeTexture(PicturePtr pPict,
RADEON_FALLBACK(("Unsupported picture format 0x%x\n",
(int)pPict->format));
- if (!RADEONCheckTexturePOT(pPict, unit == 0)) {
+ if (pPict->pDrawable && !RADEONCheckTexturePOT(pPict, unit == 0)) {
if (info->cs) {
struct radeon_exa_pixmap_priv *driver_priv;
PixmapPtr pPix;
@@ -1181,15 +1166,23 @@ static Bool FUNC_NAME(R300TextureSetup)(PicturePtr pPict, PixmapPtr pPix,
{
RINFO_FROM_SCREEN(pPix->drawable.pScreen);
uint32_t txfilter, txformat0, txformat1, txoffset, txpitch, us_format = 0;
- int w = pPict->pDrawable->width;
- int h = pPict->pDrawable->height;
+ int w, h;
int i, pixel_shift, out_size = 6;
- unsigned int repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
+ unsigned int repeatType;
struct radeon_exa_pixmap_priv *driver_priv;
ACCEL_PREAMBLE();
TRACE;
+ if (pPict->pDrawable) {
+ w = pPict->pDrawable->width;
+ h = pPict->pDrawable->height;
+ repeatType = pPict->repeat ? pPict->repeatType : RepeatNone;
+ } else {
+ w = h = 1;
+ repeatType = RepeatNormal;
+ }
+
txpitch = exaGetPixmapPitch(pPix);
txoffset = 0;
@@ -1394,11 +1387,6 @@ static Bool R300CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
if (op >= sizeof(RadeonBlendOp) / sizeof(RadeonBlendOp[0]))
RADEON_FALLBACK(("Unsupported Composite op 0x%x\n", op));
- if (!pSrcPicture->pDrawable)
- RADEON_FALLBACK(("Solid or gradient pictures not supported yet\n"));
-
- pSrcPixmap = RADEONGetDrawablePixmap(pSrcPicture->pDrawable);
-
if (IS_R500_3D) {
max_tex_w = 4096;
max_tex_h = 4096;
@@ -1416,13 +1404,6 @@ static Bool R300CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
}
}
- if (pSrcPixmap->drawable.width > max_tex_w ||
- pSrcPixmap->drawable.height > max_tex_h) {
- RADEON_FALLBACK(("Source w/h too large (%d,%d).\n",
- pSrcPixmap->drawable.width,
- pSrcPixmap->drawable.height));
- }
-
pDstPixmap = RADEONGetDrawablePixmap(pDstPicture->pDrawable);
if (pDstPixmap->drawable.width > max_dst_w ||
@@ -1432,20 +1413,32 @@ static Bool R300CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskP
pDstPixmap->drawable.height));
}
+ if (pSrcPicture->pDrawable) {
+ pSrcPixmap = RADEONGetDrawablePixmap(pSrcPicture->pDrawable);
+
+ if (pSrcPixmap->drawable.width > max_tex_w ||
+ pSrcPixmap->drawable.height > max_tex_h) {
+ RADEON_FALLBACK(("Source w/h too large (%d,%d).\n",
+ pSrcPixmap->drawable.width,
+ pSrcPixmap->drawable.height));
+ }
+ } else if (pSrcPicture->pSourcePict->type != SourcePictTypeSolidFill)
+ RADEON_FALLBACK(("Gradient pictures not supported yet\n"));
+
if (pMaskPicture) {
PixmapPtr pMaskPixmap;
- if (!pMaskPicture->pDrawable)
- RADEON_FALLBACK(("Solid or gradient pictures not supported yet\n"));
+ if (pMaskPicture->pDrawable) {
+ pMaskPixmap = RADEONGetDrawablePixmap(pMaskPicture->pDrawable);
- pMaskPixmap = RADEONGetDrawablePixmap(pMaskPicture->pDrawable);
-
- if (pMaskPixmap->drawable.width > max_tex_w ||
- pMaskPixmap->drawable.height > max_tex_h) {
- RADEON_FALLBACK(("Mask w/h too large (%d,%d).\n",
- pMaskPixmap->drawable.width,
- pMaskPixmap->drawable.height));
- }
+ if (pMaskPixmap->drawable.width > max_tex_w ||
+ pMaskPixmap->drawable.height > max_tex_h) {
+ RADEON_FALLBACK(("Mask w/h too large (%d,%d).\n",
+ pMaskPixmap->drawable.width,
+ pMaskPixmap->drawable.height));
+ }
+ } else if (pMaskPicture->pSourcePict->type != SourcePictTypeSolidFill)
+ RADEON_FALLBACK(("Gradient pictures not supported yet\n"));
if (pMaskPicture->componentAlpha) {
/* Check if it's component alpha that relies on a source alpha and
@@ -1479,7 +1472,8 @@ static Bool FUNC_NAME(R300PrepareComposite)(int op, PicturePtr pSrcPicture,
PicturePtr pMaskPicture, PicturePtr pDstPicture,
PixmapPtr pSrc, PixmapPtr pMask, PixmapPtr pDst)
{
- RINFO_FROM_SCREEN(pDst->drawable.pScreen);
+ ScreenPtr pScreen = pDst->drawable.pScreen;
+ RINFO_FROM_SCREEN(pScreen);
uint32_t dst_format, dst_pitch;
uint32_t txenable, colorpitch;
uint32_t blendcntl, output_fmt;
@@ -1508,9 +1502,24 @@ static Bool FUNC_NAME(R300PrepareComposite)(int op, PicturePtr pSrcPicture,
if (((dst_pitch >> pixel_shift) & 0x7) != 0)
RADEON_FALLBACK(("Bad destination pitch 0x%x\n", (int)dst_pitch));
+ if (!pSrc) {
+ pSrc = RADEONSolidPixmap(pScreen, cpu_to_le32(pSrcPicture->pSourcePict->solidFill.color));
+ if (!pSrc)
+ RADEON_FALLBACK("Failed to create solid scratch pixmap\n");
+ }
+
if (!RADEONSetupSourceTile(pSrcPicture, pSrc, TRUE, FALSE))
return FALSE;
+ if (pMaskPicture && !pMask) {
+ pMask = RADEONSolidPixmap(pScreen, cpu_to_le32(pMaskPicture->pSourcePict->solidFill.color));
+ if (!pMask) {
+ if (!pSrcPicture->pDrawable)
+ pScreen->DestroyPixmap(pSrc);
+ RADEON_FALLBACK("Failed to create solid scratch pixmap\n");
+ }
+ }
+
RADEONPrepareCompositeCS(op, pSrcPicture, pMaskPicture, pDstPicture,
pSrc, pMask, pDst);
@@ -2132,7 +2141,7 @@ static Bool FUNC_NAME(R300PrepareComposite)(int op, PicturePtr pSrcPicture,
return TRUE;
}
-static void FUNC_NAME(RadeonDoneComposite)(PixmapPtr pDst)
+static void FUNC_NAME(RadeonFinishComposite)(PixmapPtr pDst)
{
RINFO_FROM_SCREEN(pDst->drawable.pScreen);
ACCEL_PREAMBLE();
@@ -2179,6 +2188,20 @@ static void FUNC_NAME(RadeonDoneComposite)(PixmapPtr pDst)
LEAVE_DRAW(0);
}
+static void FUNC_NAME(RadeonDoneComposite)(PixmapPtr pDst)
+{
+ ScreenPtr pScreen = pDst->drawable.pScreen;
+ RINFO_FROM_SCREEN(pScreen);
+ struct radeon_accel_state *accel_state = info->accel_state;
+
+ FUNC_NAME(RadeonFinishComposite)(pDst);
+
+ if (!accel_state->src_pic->pDrawable)
+ pScreen->DestroyPixmap(accel_state->src_pix);
+
+ if (accel_state->msk_pic && !accel_state->msk_pic->pDrawable)
+ pScreen->DestroyPixmap(accel_state->msk_pix);
+}
#ifdef ACCEL_CP
@@ -2257,7 +2280,7 @@ static void FUNC_NAME(RadeonCompositeTile)(ScrnInfoPtr pScrn,
if ((info->cs && CS_FULL(info->cs)) ||
(!info->cs && (info->cp->indirectBuffer->used + 4 * 32) >
info->cp->indirectBuffer->total)) {
- FUNC_NAME(RadeonDoneComposite)(info->accel_state->dst_pix);
+ FUNC_NAME(RadeonFinishComposite)(info->accel_state->dst_pix);
if (info->cs)
radeon_cs_flush_indirect(pScrn);
else
diff --git a/src/radeon_exa_shared.c b/src/radeon_exa_shared.c
index be1d2fa..28dc335 100644
--- a/src/radeon_exa_shared.c
+++ b/src/radeon_exa_shared.c
@@ -126,6 +126,25 @@ Bool RADEONCheckBPP(int bpp)
return FALSE;
}
+PixmapPtr RADEONSolidPixmap(ScreenPtr pScreen, uint32_t solid)
+{
+ PixmapPtr pPix = pScreen->CreatePixmap(pScreen, 1, 1, 32, 0);
+ struct radeon_bo *bo;
+
+ exaMoveInPixmap(pPix);
+ bo = radeon_get_pixmap_bo(pPix);
+
+ if (radeon_bo_map(bo, 1)) {
+ pScreen->DestroyPixmap(pPix);
+ return NULL;
+ }
+
+ memcpy(bo->ptr, &solid, 4);
+ radeon_bo_unmap(bo);
+
+ return pPix;
+}
+
static Bool radeon_vb_get(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
diff --git a/src/radeon_exa_shared.h b/src/radeon_exa_shared.h
index 7b8b5ca..60a1045 100644
--- a/src/radeon_exa_shared.h
+++ b/src/radeon_exa_shared.h
@@ -40,6 +40,7 @@ extern void RADEONVlineHelperClear(ScrnInfoPtr pScrn);
extern void RADEONVlineHelperSet(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2);
extern Bool RADEONValidPM(uint32_t pm, int bpp);
extern Bool RADEONCheckBPP(int bpp);
+extern PixmapPtr RADEONSolidPixmap(ScreenPtr pScreen, uint32_t solid);
#define RADEON_TRACE_FALL 0
#define RADEON_TRACE_DRAW 0
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