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i965: use RGB565 to render a bitmap if Depth is 16

This commit is contained in:
Xiang, Haihao 2008-03-07 09:48:11 +08:00
parent d76545de57
commit 5982d39799
1 changed files with 10 additions and 10 deletions
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20
src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
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@ -166,11 +166,8 @@ do_blit_bitmap( GLcontext *ctx,
struct intel_context *intel = intel_context(ctx); struct intel_context *intel = intel_context(ctx);
struct intel_region *dst = intel_drawbuf_region(intel); struct intel_region *dst = intel_drawbuf_region(intel);
GLfloat tmpColor[4]; GLfloat tmpColor[4];
GLubyte ubcolor[4];
union { GLuint color8888, color565;
GLuint ui;
GLubyte ub[4];
} color;
if (!dst) if (!dst)
return GL_FALSE; return GL_FALSE;
@ -187,10 +184,13 @@ do_blit_bitmap( GLcontext *ctx,
ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor); ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
} }
UNCLAMPED_FLOAT_TO_CHAN(color.ub[0], tmpColor[2]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
UNCLAMPED_FLOAT_TO_CHAN(color.ub[1], tmpColor[1]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
UNCLAMPED_FLOAT_TO_CHAN(color.ub[2], tmpColor[0]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
UNCLAMPED_FLOAT_TO_CHAN(color.ub[3], tmpColor[3]); 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? /* Does zoom apply to bitmaps?
*/ */
@ -289,7 +289,7 @@ do_blit_bitmap( GLcontext *ctx,
dst->cpp, dst->cpp,
(GLubyte *)stipple, (GLubyte *)stipple,
sz, sz,
color.ui, (dst->cpp == 2) ? color565 : color8888,
dst->pitch, dst->pitch,
dst->buffer, dst->buffer,
0, 0,