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authorCourtney Goeltzenleuchter <[email protected]>2013-11-04 13:29:48 -0700
committerBrian Paul <[email protected]>2013-12-13 12:31:54 -0700
commitf1563e6392792cdae0b2e2f2a4c57861864d7a5f (patch)
treeffef64e29551a3fc4f550bc3927f211c52729b0d /src/mesa/main/texparam.c
parent668f3614caf123cd3505f7b07dab6dec939774f8 (diff)
mesa: ARB_texture_view get parameters
Add support for ARB_texture_view get parameters: GL_TEXTURE_VIEW_MIN_LEVEL GL_TEXTURE_VIEW_NUM_LEVELS GL_TEXTURE_VIEW_MIN_LAYER GL_TEXTURE_VIEW_NUM_LAYERS Incorporate feedback regarding when to allow query of GL_TEXTURE_IMMUTABLE_LEVELS. Signed-off-by: Courtney Goeltzenleuchter <[email protected]> Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/main/texparam.c')
-rw-r--r--src/mesa/main/texparam.c60
1 files changed, 56 insertions, 4 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 1cd4e7e0015..60499aa94ec 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1558,9 +1558,35 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
break;
case GL_TEXTURE_IMMUTABLE_LEVELS:
- if (!_mesa_is_gles3(ctx))
+ if (_mesa_is_gles3(ctx) ||
+ (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
+ *params = (GLfloat) obj->ImmutableLevels;
+ else
+ goto invalid_pname;
+ break;
+
+ case GL_TEXTURE_VIEW_MIN_LEVEL:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLfloat) obj->MinLevel;
+ break;
+
+ case GL_TEXTURE_VIEW_NUM_LEVELS:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLfloat) obj->NumLevels;
+ break;
+
+ case GL_TEXTURE_VIEW_MIN_LAYER:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLfloat) obj->MinLayer;
+ break;
+
+ case GL_TEXTURE_VIEW_NUM_LAYERS:
+ if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
- *params = (GLfloat) obj->ImmutableLevels;
+ *params = (GLfloat) obj->NumLayers;
break;
case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
@@ -1742,9 +1768,35 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
break;
case GL_TEXTURE_IMMUTABLE_LEVELS:
- if (!_mesa_is_gles3(ctx))
+ if (_mesa_is_gles3(ctx) ||
+ (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_view))
+ *params = obj->ImmutableLevels;
+ else
+ goto invalid_pname;
+ break;
+
+ case GL_TEXTURE_VIEW_MIN_LEVEL:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLint) obj->MinLevel;
+ break;
+
+ case GL_TEXTURE_VIEW_NUM_LEVELS:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLint) obj->NumLevels;
+ break;
+
+ case GL_TEXTURE_VIEW_MIN_LAYER:
+ if (!ctx->Extensions.ARB_texture_view)
+ goto invalid_pname;
+ *params = (GLint) obj->MinLayer;
+ break;
+
+ case GL_TEXTURE_VIEW_NUM_LAYERS:
+ if (!ctx->Extensions.ARB_texture_view)
goto invalid_pname;
- *params = obj->ImmutableLevels;
+ *params = (GLint) obj->NumLayers;
break;
case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES: