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-rw-r--r--src/mesa/main/pixel.c72
-rw-r--r--src/mesa/main/pixel.h10
2 files changed, 6 insertions, 76 deletions
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 95dc2bc0f3..10013bb50d 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -1714,14 +1714,13 @@ _mesa_map_ci_to_rgba( const GLcontext *ctx, GLuint n,
}
-/*
- * Map 8-bit color indexes to rgb values.
+/**
+ * Map ubyte color indexes to ubyte/RGBA values.
*/
void
-_mesa_map_ci8_to_rgba( const GLcontext *ctx, GLuint n, const GLubyte index[],
- GLchan rgba[][4] )
+_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
+ GLubyte rgba[][4])
{
-#if CHAN_BITS == 8
GLuint rmask = ctx->Pixel.MapItoRsize - 1;
GLuint gmask = ctx->Pixel.MapItoGsize - 1;
GLuint bmask = ctx->Pixel.MapItoBsize - 1;
@@ -1737,23 +1736,6 @@ _mesa_map_ci8_to_rgba( const GLcontext *ctx, GLuint n, const GLubyte index[],
rgba[i][BCOMP] = bMap[index[i] & bmask];
rgba[i][ACOMP] = aMap[index[i] & amask];
}
-#else
- GLuint rmask = ctx->Pixel.MapItoRsize - 1;
- GLuint gmask = ctx->Pixel.MapItoGsize - 1;
- GLuint bmask = ctx->Pixel.MapItoBsize - 1;
- GLuint amask = ctx->Pixel.MapItoAsize - 1;
- const GLfloat *rMap = ctx->Pixel.MapItoR;
- const GLfloat *gMap = ctx->Pixel.MapItoG;
- const GLfloat *bMap = ctx->Pixel.MapItoB;
- const GLfloat *aMap = ctx->Pixel.MapItoA;
- GLuint i;
- for (i=0;i<n;i++) {
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], rMap[index[i] & rmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], gMap[index[i] & gmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], bMap[index[i] & bmask]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], aMap[index[i] & amask]);
- }
-#endif
}
@@ -1809,52 +1791,6 @@ _mesa_scale_and_bias_depth(const GLcontext *ctx, GLuint n,
}
-/*
- * This function converts an array of GLchan colors to GLfloat colors.
- * Most importantly, it undoes the non-uniform quantization of pixel
- * values introduced when we convert shallow (< 8 bit) pixel values
- * to GLubytes in the ctx->Driver.ReadRGBASpan() functions.
- * This fixes a number of OpenGL conformance failures when running on
- * 16bpp displays, for example.
- */
-void
-_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
- CONST GLchan rgba[][4], GLfloat rgbaf[][4])
-{
-#if CHAN_TYPE == GL_FLOAT
- MEMCPY(rgbaf, rgba, n * 4 * sizeof(GLfloat));
-#else
- const GLuint rShift = CHAN_BITS - ctx->Visual.redBits;
- const GLuint gShift = CHAN_BITS - ctx->Visual.greenBits;
- const GLuint bShift = CHAN_BITS - ctx->Visual.blueBits;
- GLuint aShift;
- const GLfloat rScale = 1.0F / (GLfloat) ((1 << ctx->Visual.redBits ) - 1);
- const GLfloat gScale = 1.0F / (GLfloat) ((1 << ctx->Visual.greenBits) - 1);
- const GLfloat bScale = 1.0F / (GLfloat) ((1 << ctx->Visual.blueBits ) - 1);
- GLfloat aScale;
- GLuint i;
-
- if (ctx->Visual.alphaBits > 0) {
- aShift = CHAN_BITS - ctx->Visual.alphaBits;
- aScale = 1.0F / (GLfloat) ((1 << ctx->Visual.alphaBits) - 1);
- }
- else {
- aShift = 0;
- aScale = 1.0F / CHAN_MAXF;
- }
-
- for (i = 0; i < n; i++) {
- const GLint r = rgba[i][RCOMP] >> rShift;
- const GLint g = rgba[i][GCOMP] >> gShift;
- const GLint b = rgba[i][BCOMP] >> bShift;
- const GLint a = rgba[i][ACOMP] >> aShift;
- rgbaf[i][RCOMP] = (GLfloat) r * rScale;
- rgbaf[i][GCOMP] = (GLfloat) g * gScale;
- rgbaf[i][BCOMP] = (GLfloat) b * bScale;
- rgbaf[i][ACOMP] = (GLfloat) a * aScale;
- }
-#endif
-}
/**********************************************************************/
/***** State Management *****/
diff --git a/src/mesa/main/pixel.h b/src/mesa/main/pixel.h
index 0f8542b1c7..0445b527e8 100644
--- a/src/mesa/main/pixel.h
+++ b/src/mesa/main/pixel.h
@@ -117,9 +117,8 @@ _mesa_map_ci_to_rgba(const GLcontext *ctx,
extern void
-_mesa_map_ci8_to_rgba(const GLcontext *ctx,
- GLuint n, const GLubyte index[],
- GLchan rgba[][4]);
+_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
+ GLubyte rgba[][4]);
extern void
@@ -136,11 +135,6 @@ _mesa_scale_and_bias_depth(const GLcontext *ctx, GLuint n,
GLfloat depthValues[]);
-extern void
-_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
- CONST GLchan rgba[][4], GLfloat rgbaf[][4]);
-
-
extern void
_mesa_update_pixel( GLcontext *ctx, GLuint newstate );