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authorBrian Paul <brianp@vmware.com>2009-04-06 20:08:43 -0600
committerBrian Paul <brianp@vmware.com>2009-04-06 20:08:43 -0600
commit1b2ab023673261b4b942e1126c0b599d02fbd4a0 (patch)
tree988d73286d256c895a53fa9dae2ba7ce3b685b8c /src/mesa/swrast/s_texcombine.c
parent76ac75af8e5481b498981c133836efa2101be2dc (diff)
swrast: asst. clean-ups in texcombine code
Diffstat (limited to 'src/mesa/swrast/s_texcombine.c')
-rw-r--r--src/mesa/swrast/s_texcombine.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index 08752f3433..cec89ed245 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -47,10 +47,10 @@ typedef float (*float4_array)[4];
* Return array of texels for given unit.
*/
static INLINE float4_array
-get_texel_array(const GLfloat *texelBuffer, GLuint unit, GLuint numTexels)
+get_texel_array(SWcontext *swrast, GLuint unit)
{
return (float4_array)
- (texelBuffer + unit * numTexels * 4 * sizeof(GLfloat));
+ (swrast->TexelBuffer + unit * MAX_WIDTH * 4 * sizeof(GLfloat));
}
@@ -74,11 +74,12 @@ get_texel_array(const GLfloat *texelBuffer, GLuint unit, GLuint numTexels)
* \param rgba incoming/result fragment colors
*/
static void
-texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
+texture_combine( GLcontext *ctx, GLuint unit, GLuint n,
const float4_array primary_rgba,
const GLfloat *texelBuffer,
GLchan (*rgbaChan)[4] )
{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
const struct gl_texture_unit *textureUnit = &(ctx->Texture.Unit[unit]);
const struct gl_tex_env_combine_state *combine = textureUnit->_CurrentCombine;
float4_array argRGB[MAX_COMBINER_TERMS];
@@ -117,7 +118,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
switch (srcRGB) {
case GL_TEXTURE:
- argRGB[term] = get_texel_array(texelBuffer, unit, n);
+ argRGB[term] = get_texel_array(swrast, unit);
break;
case GL_PRIMARY_COLOR:
argRGB[term] = primary_rgba;
@@ -165,7 +166,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
return;
- argRGB[term] = get_texel_array(texelBuffer, srcUnit, n);
+ argRGB[term] = get_texel_array(swrast, srcUnit);
}
}
@@ -213,7 +214,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
switch (srcA) {
case GL_TEXTURE:
- argA[term] = get_texel_array(texelBuffer, unit, n);
+ argA[term] = get_texel_array(swrast, unit);
break;
case GL_PRIMARY_COLOR:
argA[term] = primary_rgba;
@@ -255,7 +256,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
ASSERT(srcUnit < ctx->Const.MaxTextureUnits);
if (!ctx->Texture.Unit[srcUnit]._ReallyEnabled)
return;
- argA[term] = get_texel_array(texelBuffer, srcUnit, n);
+ argA[term] = get_texel_array(swrast, srcUnit);
}
}
@@ -589,26 +590,19 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span )
/* First must sample all bump maps */
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled &&
- ctx->Texture.Unit[unit]._CurrentCombine->ModeRGB == GL_BUMP_ENVMAP_ATI) {
- const GLfloat (*texcoords)[4]
- = (const GLfloat (*)[4])
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+ if (texUnit->_ReallyEnabled &&
+ texUnit->_CurrentCombine->ModeRGB == GL_BUMP_ENVMAP_ATI) {
+ const GLfloat (*texcoords)[4] = (const GLfloat (*)[4])
span->array->attribs[FRAG_ATTRIB_TEX0 + unit];
- GLfloat (*targetcoords)[4]
- = (GLfloat (*)[4])
+ float4_array targetcoords =
span->array->attribs[FRAG_ATTRIB_TEX0 +
ctx->Texture.Unit[unit].BumpTarget - GL_TEXTURE0];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
const struct gl_texture_object *curObj = texUnit->_Current;
GLfloat *lambda = span->array->lambda[unit];
-#if 0
- GLchan (*texels)[4] = (GLchan (*)[4])
- (swrast->TexelBuffer + unit * (span->end * 4 * sizeof(GLchan)));
-#else
- float4_array texels = get_texel_array(swrast->TexelBuffer, unit,
- span->end);
-#endif
+ float4_array texels = get_texel_array(swrast, unit);
GLuint i;
GLfloat rotMatrix00 = ctx->Texture.Unit[unit].RotMatrix[0];
GLfloat rotMatrix01 = ctx->Texture.Unit[unit].RotMatrix[1];
@@ -670,15 +664,14 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span )
* accomodate GL_ARB_texture_env_crossbar.
*/
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled &&
- ctx->Texture.Unit[unit]._CurrentCombine->ModeRGB != GL_BUMP_ENVMAP_ATI) {
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ if (texUnit->_ReallyEnabled &&
+ texUnit->_CurrentCombine->ModeRGB != GL_BUMP_ENVMAP_ATI) {
const GLfloat (*texcoords)[4] = (const GLfloat (*)[4])
span->array->attribs[FRAG_ATTRIB_TEX0 + unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
const struct gl_texture_object *curObj = texUnit->_Current;
GLfloat *lambda = span->array->lambda[unit];
- float4_array texels =
- get_texel_array(swrast->TexelBuffer, unit, span->end);
+ float4_array texels = get_texel_array(swrast, unit);
/* adjust texture lod (lambda) */
if (span->arrayMask & SPAN_LAMBDA) {