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authorXiang, Haihao <haihao.xiang@intel.com>2008-03-07 09:48:11 +0800
committerXiang, Haihao <haihao.xiang@intel.com>2008-03-07 09:48:11 +0800
commit5982d397990fd2ae4c729977cf8d22da5ef29987 (patch)
tree9274ec866f4635734604ef977a78437f43e53d27 /src/mesa/drivers/dri/intel
parentd76545de5730f52328a81b8371d3b08cd7511e05 (diff)
i965: use RGB565 to render a bitmap if Depth is 16
Diffstat (limited to 'src/mesa/drivers/dri/intel')
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_bitmap.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 77b6c53cb3..4cb68655f2 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -166,11 +166,8 @@ do_blit_bitmap( GLcontext *ctx,
struct intel_context *intel = intel_context(ctx);
struct intel_region *dst = intel_drawbuf_region(intel);
GLfloat tmpColor[4];
-
- union {
- GLuint ui;
- GLubyte ub[4];
- } color;
+ GLubyte ubcolor[4];
+ GLuint color8888, color565;
if (!dst)
return GL_FALSE;
@@ -187,10 +184,13 @@ do_blit_bitmap( GLcontext *ctx,
ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
}
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[0], tmpColor[2]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[1], tmpColor[1]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[2], tmpColor[0]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[3], tmpColor[3]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
+
+ color8888 = INTEL_PACKCOLOR8888(ubcolor[0], ubcolor[1], ubcolor[2], ubcolor[3]);
+ color565 = INTEL_PACKCOLOR565(ubcolor[0], ubcolor[1], ubcolor[2]);
/* Does zoom apply to bitmaps?
*/
@@ -289,7 +289,7 @@ do_blit_bitmap( GLcontext *ctx,
dst->cpp,
(GLubyte *)stipple,
sz,
- color.ui,
+ (dst->cpp == 2) ? color565 : color8888,
dst->pitch,
dst->buffer,
0,