summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBrian Paul <brianp@vmware.com>2009-01-23 17:30:33 -0700
committerBrian Paul <brianp@vmware.com>2009-01-23 17:30:33 -0700
commite082314cab42f43b0438603a282f01920004e6f0 (patch)
tree44d3c2f583e03a9e657fe7ea7b3317f9fd85c85a
parent08fbbdd4dceb8ca7ac15f0ce469f59e13e0ba82b (diff)
mesa: update state setup/validation for GL_NV_texture_env_combine4
-rw-r--r--src/mesa/main/texstate.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 9bfb7e0ec2..7cddec0bce 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -53,10 +53,10 @@
*/
static const struct gl_tex_env_combine_state default_combine_state = {
GL_MODULATE, GL_MODULATE,
- { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT },
- { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT },
- { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA },
- { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
0, 0,
2, 2
};
@@ -551,7 +551,8 @@ update_texture_state( GLcontext *ctx )
if (texUnit->_ReallyEnabled)
ctx->Texture._EnabledUnits |= (1 << unit);
- if (texUnit->EnvMode == GL_COMBINE) {
+ if (texUnit->EnvMode == GL_COMBINE ||
+ texUnit->EnvMode == GL_COMBINE4_NV) {
texUnit->_CurrentCombine = & texUnit->Combine;
}
else {
@@ -572,9 +573,14 @@ update_texture_state( GLcontext *ctx )
case GL_REPLACE:
texUnit->_CurrentCombine->_NumArgsRGB = 1;
break;
- case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ texUnit->_CurrentCombine->_NumArgsRGB = 4;
+ else
+ texUnit->_CurrentCombine->_NumArgsRGB = 2;
+ break;
+ case GL_MODULATE:
case GL_SUBTRACT:
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
@@ -598,9 +604,14 @@ update_texture_state( GLcontext *ctx )
case GL_REPLACE:
texUnit->_CurrentCombine->_NumArgsA = 1;
break;
- case GL_MODULATE:
case GL_ADD:
case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ texUnit->_CurrentCombine->_NumArgsA = 4;
+ else
+ texUnit->_CurrentCombine->_NumArgsA = 2;
+ break;
+ case GL_MODULATE:
case GL_SUBTRACT:
texUnit->_CurrentCombine->_NumArgsA = 2;
break;