diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
| -rw-r--r-- | src/mesa/main/teximage.c | 41 |
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; |