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-rw-r--r--src/mesa/main/teximage.c41
1 files changed, 32 insertions, 9 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 614f0014da..28d370eb65 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -403,29 +403,54 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
if (ctx->Extensions.ARB_texture_rg) {
switch (internalFormat) {
- case GL_R8:
- case GL_R16:
case GL_R16F:
+ /* R16F depends on both ARB_half_float_pixel and ARB_texture_float.
+ */
+ if (!ctx->Extensions.ARB_half_float_pixel)
+ break;
+ /* FALLTHROUGH */
case GL_R32F:
+ if (!ctx->Extensions.ARB_texture_float)
+ break;
+ return GL_RED;
case GL_R8I:
case GL_R8UI:
case GL_R16I:
case GL_R16UI:
case GL_R32I:
case GL_R32UI:
- return GL_R;
- case GL_RG:
- case GL_RG_INTEGER:
- case GL_RG8:
- case GL_RG16:
+ if (!ctx->Extensions.EXT_texture_integer)
+ break;
+ /* FALLTHROUGH */
+ case GL_R8:
+ case GL_R16:
+ case GL_RED:
+ case GL_COMPRESSED_RED:
+ return GL_RED;
+
case GL_RG16F:
+ /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float.
+ */
+ if (!ctx->Extensions.ARB_half_float_pixel)
+ break;
+ /* FALLTHROUGH */
case GL_RG32F:
+ if (!ctx->Extensions.ARB_texture_float)
+ break;
+ return GL_RG;
case GL_RG8I:
case GL_RG8UI:
case GL_RG16I:
case GL_RG16UI:
case GL_RG32I:
case GL_RG32UI:
+ if (!ctx->Extensions.EXT_texture_integer)
+ break;
+ /* FALLTHROUGH */
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ case GL_COMPRESSED_RG:
return GL_RG;
default:
; /* fallthrough */
@@ -463,11 +488,9 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
if (ctx->Extensions.EXT_texture_compression_rgtc) {
switch (internalFormat) {
- case GL_COMPRESSED_RED:
case GL_COMPRESSED_RED_RGTC1_EXT:
case GL_COMPRESSED_SIGNED_RED_RGTC1_EXT:
return GL_RED;
- case GL_COMPRESSED_RG:
case GL_COMPRESSED_RED_GREEN_RGTC2_EXT:
case GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:
return GL_RG;