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Diffstat (limited to 'src/mesa/shader/prog_execute.c')
-rw-r--r--src/mesa/shader/prog_execute.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index c8a762f8ff..192d39aed1 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -939,7 +939,7 @@ _mesa_execute_program(GLcontext * ctx,
/* The fast LOG2 macro doesn't meet the precision requirements.
*/
if (a[0] == 0.0F) {
- val = 0.0F;
+ val = -FLT_MAX;
}
else {
val = log(a[0]) * 1.442695F;
@@ -1555,17 +1555,12 @@ _mesa_execute_program(GLcontext * ctx,
case OPCODE_TXB: /* GL_ARB_fragment_program only */
/* Texel lookup with LOD bias */
{
- const GLuint unit = machine->Samplers[inst->TexSrcUnit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
GLfloat texcoord[4], color[4], lodBias;
fetch_vector4(&inst->SrcReg[0], machine, texcoord);
/* texcoord[3] is the bias to add to lambda */
- lodBias = texUnit->LodBias + texcoord[3];
- if (texUnit->_Current) {
- lodBias += texUnit->_Current->LodBias;
- }
+ lodBias = texcoord[3];
fetch_texel(ctx, machine, inst, texcoord, lodBias, color);