[Mesa-dev] [PATCH] st/xorg: add some support for non 32-bit color solid fills
Marcin Slusarz
marcin.slusarz at gmail.com
Mon May 16 12:51:41 PDT 2011
It's a hack, but it allows rendercheck to pass all fill and most blend tests.
(without it all blend tests failed)
---
src/gallium/state_trackers/xorg/xorg_composite.c | 70 +++++++++++++++-------
src/gallium/state_trackers/xorg/xorg_composite.h | 6 +-
src/gallium/state_trackers/xorg/xorg_exa.c | 16 +++++-
3 files changed, 66 insertions(+), 26 deletions(-)
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c
index d4dc84a..cadec59 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.c
+++ b/src/gallium/state_trackers/xorg/xorg_composite.c
@@ -51,19 +51,53 @@ static const struct xorg_composite_blend xorg_blends[] = {
};
-static INLINE void
-pixel_to_float4(Pixel pixel, float *color)
+boolean xorg_pixel_to_float4(Pixel pixel, unsigned char bpp,
+ unsigned char depth, float *color)
{
CARD32 r, g, b, a;
- a = (pixel >> 24) & 0xff;
- r = (pixel >> 16) & 0xff;
- g = (pixel >> 8) & 0xff;
- b = (pixel >> 0) & 0xff;
- color[0] = ((float)r) / 255.;
- color[1] = ((float)g) / 255.;
- color[2] = ((float)b) / 255.;
- color[3] = ((float)a) / 255.;
+ if (depth == 32) {
+ a = (pixel >> 24) & 0xff;
+ r = (pixel >> 16) & 0xff;
+ g = (pixel >> 8) & 0xff;
+ b = (pixel >> 0) & 0xff;
+ color[0] = ((float)r) / 255.;
+ color[1] = ((float)g) / 255.;
+ color[2] = ((float)b) / 255.;
+ color[3] = ((float)a) / 255.;
+ } else if (depth == 24) {
+ r = (pixel >> 16) & 0xff;
+ g = (pixel >> 8) & 0xff;
+ b = (pixel >> 0) & 0xff;
+ color[0] = ((float)r) / 255.;
+ color[1] = ((float)g) / 255.;
+ color[2] = ((float)b) / 255.;
+ color[3] = 0;
+ } else if (depth == 8) {
+ r = pixel & 0xff;
+ color[0] = ((float)r) / 255.;
+ color[1] = 0;
+ color[2] = 0;
+ color[3] = 0;
+ } else if (depth == 16) {
+ r = (pixel >> 11) & 0x1f;
+ g = (pixel >> 5) & 0x3f;
+ b = (pixel >> 0) & 0x1f;
+ color[0] = ((float)r) / 31.;
+ color[1] = ((float)g) / 63.;
+ color[2] = ((float)b) / 31.;
+ color[3] = 0;
+ } else if (depth == 15) {
+ r = (pixel >> 10) & 0x1f;
+ g = (pixel >> 5) & 0x1f;
+ b = (pixel >> 0) & 0x1f;
+ color[0] = ((float)r) / 31.;
+ color[1] = ((float)g) / 31.;
+ color[2] = ((float)b) / 31.;
+ color[3] = 0;
+ } else
+ return FALSE;
+ return TRUE;
}
static boolean
@@ -310,8 +344,8 @@ bind_shaders(struct exa_context *exa, int op,
fs_traits |= FS_SOLID_FILL;
vs_traits |= VS_SOLID_FILL;
debug_assert(pSrcPicture->format == PICT_a8r8g8b8);
- pixel_to_float4(pSrcPicture->pSourcePict->solidFill.color,
- exa->solid_color);
+ xorg_pixel_to_float4(pSrcPicture->pSourcePict->solidFill.color,
+ 32, 32, exa->solid_color);
exa->has_solid_color = TRUE;
} else {
debug_assert("!gradients not supported");
@@ -526,24 +560,14 @@ void xorg_composite(struct exa_context *exa,
}
boolean xorg_solid_bind_state(struct exa_context *exa,
- struct exa_pixmap_priv *pixmap,
- Pixel fg)
+ struct exa_pixmap_priv *pixmap)
{
struct pipe_surface *dst_surf = xorg_gpu_surface(exa->pipe, pixmap);
unsigned vs_traits, fs_traits;
struct xorg_shader shader;
- pixel_to_float4(fg, exa->solid_color);
exa->has_solid_color = TRUE;
-#if 0
- debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n",
- (fg >> 24) & 0xff, (fg >> 16) & 0xff,
- (fg >> 8) & 0xff, (fg >> 0) & 0xff,
- exa->solid_color[0], exa->solid_color[1],
- exa->solid_color[2], exa->solid_color[3]);
-#endif
-
vs_traits = VS_SOLID_FILL;
fs_traits = FS_SOLID_FILL;
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.h b/src/gallium/state_trackers/xorg/xorg_composite.h
index ec71ebf..a83fec1 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.h
+++ b/src/gallium/state_trackers/xorg/xorg_composite.h
@@ -22,9 +22,11 @@ void xorg_composite(struct exa_context *exa,
int srcX, int srcY, int maskX, int maskY,
int dstX, int dstY, int width, int height);
+boolean xorg_pixel_to_float4(Pixel pixel, unsigned char bpp,
+ unsigned char depth, float *color);
+
boolean xorg_solid_bind_state(struct exa_context *exa,
- struct exa_pixmap_priv *pixmap,
- Pixel fg);
+ struct exa_pixmap_priv *pixmap);
void xorg_solid(struct exa_context *exa,
struct exa_pixmap_priv *pixmap,
int x0, int y0, int x1, int y1);
diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index b072f53..18a7c10 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -347,6 +347,7 @@ ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pPixmap);
struct exa_context *exa = ms->exa;
+ unsigned char bpp, depth;
exa_debug_printf("ExaPrepareSolid(0x%x)\n", fg);
@@ -371,7 +372,20 @@ ExaPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg)
XORG_FALLBACK("format %s", util_format_name(priv->tex->format));
}
- return xorg_solid_bind_state(exa, priv, fg);
+ bpp = pPixmap->drawable.bitsPerPixel;
+ depth = pPixmap->drawable.depth;
+ if (!xorg_pixel_to_float4(fg, bpp, depth, exa->solid_color))
+ XORG_FALLBACK("unsupported bpp %d / depth %d", bpp, depth);
+
+#if 0
+ debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n",
+ (fg >> 24) & 0xff, (fg >> 16) & 0xff,
+ (fg >> 8) & 0xff, (fg >> 0) & 0xff,
+ exa->solid_color[0], exa->solid_color[1],
+ exa->solid_color[2], exa->solid_color[3]);
+#endif
+
+ return xorg_solid_bind_state(exa, priv);
}
static void
--
1.7.4.1
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