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authorBrian Paul <brian.paul@tungstengraphics.com>2002-01-28 04:25:56 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-01-28 04:25:56 +0000
commit6e1666437ea091ecc50ab2b56d87129318f641d2 (patch)
tree2ecf6d4bd87f0acd5ca3379654814273182106da /src/mesa/swrast/s_texture.c
parent7956292a765910077f50352d7cd0174e1e66d26c (diff)
Still more texture/span simplification and clean-up.
Updated comments, fixed indentation, etc.
Diffstat (limited to 'src/mesa/swrast/s_texture.c')
-rw-r--r--src/mesa/swrast/s_texture.c71
1 files changed, 4 insertions, 67 deletions
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index 663fa6c757..0ed753e967 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -1,4 +1,4 @@
-/* $Id: s_texture.c,v 1.47 2002/01/28 00:07:33 brianp Exp $ */
+/* $Id: s_texture.c,v 1.48 2002/01/28 04:25:56 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -3031,7 +3031,7 @@ sample_depth_texture2(const GLcontext *ctx,
* Apply a unit of texture mapping to the incoming fragments.
*/
void
-_old_swrast_texture_fragments( GLcontext *ctx, GLuint texUnit, GLuint n,
+_swrast_texture_fragments( GLcontext *ctx, GLuint texUnit, GLuint n,
GLfloat texcoords[][4], GLfloat lambda[],
CONST GLchan primary_rgba[][4],
GLchan rgba[][4] )
@@ -3085,69 +3085,6 @@ _old_swrast_texture_fragments( GLcontext *ctx, GLuint texUnit, GLuint n,
/*
- * Apply a unit of texture mapping to the incoming fragments.
- */
-void
-_swrast_texture_fragments( GLcontext *ctx, GLuint texUnit,
- struct sw_span *span,
- GLchan rgbaOut[][4] )
-{
- const GLuint mask = TEXTURE0_ANY << (texUnit * 4);
-
- if (ctx->Texture._ReallyEnabled & mask) {
- const struct gl_texture_unit *textureUnit = &ctx->Texture.Unit[texUnit];
- GLfloat *lambda;
-
- lambda = (span->arrayMask & SPAN_LAMBDA) ? span->lambda[texUnit] : NULL;
-
- if (textureUnit->_Current) { /* XXX need this? */
- const struct gl_texture_object *curObj = textureUnit->_Current;
- GLchan texel[PB_SIZE][4];
-
- if (textureUnit->LodBias != 0.0F) {
- /* apply LOD bias, but don't clamp yet */
- GLuint i;
- for (i=0;i<span->end;i++) {
- lambda[i] += textureUnit->LodBias;
- }
- }
-
- if ((curObj->MinLod != -1000.0 || curObj->MaxLod != 1000.0)
- && lambda) {
- /* apply LOD clamping to lambda */
- const GLfloat min = curObj->MinLod;
- const GLfloat max = curObj->MaxLod;
- GLuint i;
- for (i=0;i<span->end;i++) {
- GLfloat l = lambda[i];
- lambda[i] = CLAMP(l, min, max);
- }
- }
-
- /* Sample the texture. */
- if (curObj->Image[curObj->BaseLevel]->Format == GL_DEPTH_COMPONENT) {
- /* depth texture */
- sample_depth_texture(ctx, textureUnit, span->end,
- span->texcoords[texUnit], texel);
- }
- else {
- /* color texture */
- SWRAST_CONTEXT(ctx)->TextureSample[texUnit]( ctx, texUnit,
- textureUnit->_Current,
- span->end,
- span->texcoords[texUnit],
- lambda, texel );
- }
- apply_texture( ctx, textureUnit, span->end,
- (CONST GLchan (*)[4]) span->color.rgba,
- (CONST GLchan (*)[4]) texel,
- rgbaOut );
- }
- }
-}
-
-
-/*
* Apply multiple texture stages (or just unit 0) to the span.
* At some point in the future we'll probably modify this so that
* texels from any texture unit are available in any combiner unit.
@@ -3170,7 +3107,7 @@ _swrast_multitexture_fragments( GLcontext *ctx, struct sw_span *span )
/* loop over texture units, modifying the span->color.rgba values */
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- _old_swrast_texture_fragments( ctx, unit, span->end,
+ _swrast_texture_fragments( ctx, unit, span->end,
span->texcoords[unit],
(span->arrayMask & SPAN_LAMBDA) ?
span->lambda[unit] : NULL,
@@ -3183,7 +3120,7 @@ _swrast_multitexture_fragments( GLcontext *ctx, struct sw_span *span )
/* Just unit 0 enabled */
ASSERT(ctx->Texture._ReallyEnabled & TEXTURE0_ANY);
- _old_swrast_texture_fragments( ctx, 0, span->end,
+ _swrast_texture_fragments( ctx, 0, span->end,
span->texcoords[0],
(span->arrayMask & SPAN_LAMBDA) ?
span->lambda[0] : NULL,