diff options
Diffstat (limited to 'src/mesa/swrast/s_fragprog.c')
| -rw-r--r-- | src/mesa/swrast/s_fragprog.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index 2dfc033d50..ecace9c502 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -33,18 +33,19 @@ /** - * Fetch a texel. + * Fetch a texel with given lod. + * Called via machine->FetchTexelLod() */ static void -fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, - GLuint unit, GLfloat color[4] ) +fetch_texel_lod( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, + GLuint unit, GLfloat color[4] ) { GLchan rgba[4]; SWcontext *swrast = SWRAST_CONTEXT(ctx); const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod); - + /* XXX use a float-valued TextureSample routine here!!! */ swrast->TextureSample[unit](ctx, texObj, 1, (const GLfloat (*)[4]) texcoord, &lambda, &rgba); @@ -58,6 +59,7 @@ fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, /** * Fetch a texel with the given partial derivatives to compute a level * of detail in the mipmap. + * Called via machine->FetchTexelDeriv() */ static void fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], @@ -117,6 +119,8 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, machine->DerivY = (GLfloat (*)[4]) span->attrStepY; machine->NumDeriv = FRAG_ATTRIB_MAX; + machine->Samplers = program->Base.SamplerUnits; + /* if running a GLSL program (not ARB_fragment_program) */ if (ctx->Shader.CurrentProgram) { /* Store front/back facing value in register FOGC.Y */ @@ -134,7 +138,7 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, /* init call stack */ machine->StackDepth = 0; - machine->FetchTexelLod = fetch_texel; + machine->FetchTexelLod = fetch_texel_lod; machine->FetchTexelDeriv = fetch_texel_deriv; } |