diff options
| author | Eric Anholt <[email protected]> | 2009-08-26 09:51:15 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2009-09-08 14:30:15 -0700 |
| commit | b4922b533155cc139ebafb111502bb55d2ad2ccf (patch) | |
| tree | a784133f9de7e5fccda5305ab926bebc5ffbaf19 /src/mesa/main/enable.c | |
| parent | 3e4539a471da48066a83eda8e14301dbc4dbf6db (diff) | |
mesa: Add support for ARB_depth_clamp.
This currently doesn't include fixing up the cliptests in the assembly
paths to support ARB_depth_clamp, so enabling depth_clamp forces the C path.
Diffstat (limited to 'src/mesa/main/enable.c')
| -rw-r--r-- | src/mesa/main/enable.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c index 4bc54771e97..d066153fc2c 100644 --- a/src/mesa/main/enable.c +++ b/src/mesa/main/enable.c @@ -37,6 +37,7 @@ #include "mtypes.h" #include "enums.h" #include "math/m_matrix.h" +#include "math/m_xform.h" #include "api_arrayelt.h" @@ -947,6 +948,20 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state) ctx->Depth.BoundsTest = state; break; + case GL_DEPTH_CLAMP: + if (ctx->Transform.DepthClamp == state) + return; + /* Neither the x86 nor sparc asm cliptest functions have been updated + * for ARB_depth_clamp, so force the C paths. + */ + if (state) + init_c_cliptest(); + + CHECK_EXTENSION(ARB_depth_clamp, cap); + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.DepthClamp = state; + break; + #if FEATURE_ATI_fragment_shader case GL_FRAGMENT_SHADER_ATI: CHECK_EXTENSION(ATI_fragment_shader, cap); @@ -1395,6 +1410,11 @@ _mesa_IsEnabled( GLenum cap ) CHECK_EXTENSION(EXT_depth_bounds_test); return ctx->Depth.BoundsTest; + /* GL_ARB_depth_clamp */ + case GL_DEPTH_CLAMP: + CHECK_EXTENSION(ARB_depth_clamp); + return ctx->Transform.DepthClamp; + #if FEATURE_ATI_fragment_shader case GL_FRAGMENT_SHADER_ATI: CHECK_EXTENSION(ATI_fragment_shader); |