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swrast: update/restore the opt_sample_rgb/rgba_2d() functions

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This commit is contained in:
Brian Paul
2009-05-12 09:05:31 -06:00
parent e7cb125b2d
commit 6d63dec41f
1 changed files with 9 additions and 15 deletions
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src/mesa/swrast/s_texfilter.c
+9 -15
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@@ -1329,7 +1329,7 @@ static void
opt_sample_rgb_2d(GLcontext *ctx,
const struct gl_texture_object *tObj,
GLuint n, const GLfloat texcoords[][4],
const GLfloat lambda[], GLchan rgba[][4])
const GLfloat lambda[], GLfloat rgba[][4])
{
const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
const GLfloat width = (GLfloat) img->Width;
@@ -1351,9 +1351,9 @@ opt_sample_rgb_2d(GLcontext *ctx,
GLint j = IFLOOR(texcoords[k][1] * height) & rowMask;
GLint pos = (j << shift) | i;
GLchan *texel = ((GLchan *) img->Data) + 3*pos;
rgba[k][RCOMP] = texel[0];
rgba[k][GCOMP] = texel[1];
rgba[k][BCOMP] = texel[2];
rgba[k][RCOMP] = CHAN_TO_FLOAT(texel[0]);
rgba[k][GCOMP] = CHAN_TO_FLOAT(texel[1]);
rgba[k][BCOMP] = CHAN_TO_FLOAT(texel[2]);
}
}
@@ -1370,7 +1370,7 @@ static void
opt_sample_rgba_2d(GLcontext *ctx,
const struct gl_texture_object *tObj,
GLuint n, const GLfloat texcoords[][4],
const GLfloat lambda[], GLchan rgba[][4])
const GLfloat lambda[], GLfloat rgba[][4])
{
const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
const GLfloat width = (GLfloat) img->Width;
@@ -1392,7 +1392,10 @@ opt_sample_rgba_2d(GLcontext *ctx,
const GLint row = IFLOOR(texcoords[i][1] * height) & rowMask;
const GLint pos = (row << shift) | col;
const GLchan *texel = ((GLchan *) img->Data) + (pos << 2); /* pos*4 */
COPY_4V(rgba[i], texel);
rgba[i][RCOMP] = CHAN_TO_FLOAT(texel[0]);
rgba[i][GCOMP] = CHAN_TO_FLOAT(texel[1]);
rgba[i][BCOMP] = CHAN_TO_FLOAT(texel[2]);
rgba[i][ACOMP] = CHAN_TO_FLOAT(texel[3]);
}
}
@@ -1425,7 +1428,6 @@ sample_lambda_2d(GLcontext *ctx,
case GL_NEAREST:
if (repeatNoBorderPOT) {
switch (tImg->TexFormat->MesaFormat) {
#if 0
case MESA_FORMAT_RGB:
opt_sample_rgb_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart);
@@ -1434,7 +1436,6 @@ sample_lambda_2d(GLcontext *ctx,
opt_sample_rgba_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart);
break;
#endif
default:
sample_nearest_2d(ctx, tObj, m, texcoords + minStart,
NULL, rgba + minStart );
@@ -1484,7 +1485,6 @@ sample_lambda_2d(GLcontext *ctx,
case GL_NEAREST:
if (repeatNoBorderPOT) {
switch (tImg->TexFormat->MesaFormat) {
#if 0
case MESA_FORMAT_RGB:
opt_sample_rgb_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart);
@@ -1493,7 +1493,6 @@ sample_lambda_2d(GLcontext *ctx,
opt_sample_rgba_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart);
break;
#endif
default:
sample_nearest_2d(ctx, tObj, m, texcoords + magStart,
NULL, rgba + magStart );
@@ -3180,7 +3179,6 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
}
else {
/* check for a few optimized cases */
#if 0
const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
ASSERT(t->MinFilter == GL_NEAREST);
if (t->WrapS == GL_REPEAT &&
@@ -3197,10 +3195,6 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
img->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
return &opt_sample_rgba_2d;
}
#else
if (0)
;
#endif
else {
return &sample_nearest_2d;
}