diff options
Diffstat (limited to 'mesalib/src/mesa/main/glformats.c')
| -rw-r--r-- | mesalib/src/mesa/main/glformats.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/glformats.c b/mesalib/src/mesa/main/glformats.c index 304d45298..0fb25ba0f 100644 --- a/mesalib/src/mesa/main/glformats.c +++ b/mesalib/src/mesa/main/glformats.c @@ -353,6 +353,170 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) } } +/** + * Test if the given format is unsized. + */ +GLboolean +_mesa_is_enum_format_unsized(GLenum format) +{ + switch (format) { + case GL_RGBA: + case GL_BGRA: + case GL_ABGR_EXT: + case GL_RGB: + case GL_BGR: + case GL_RG: + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_INTENSITY: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + + case GL_SRGB: + case GL_SRGB_ALPHA: + case GL_SLUMINANCE: + case GL_SLUMINANCE_ALPHA: + + case GL_RGBA_SNORM: + case GL_RGB_SNORM: + case GL_RG_SNORM: + case GL_RED_SNORM: + case GL_ALPHA_SNORM: + case GL_INTENSITY_SNORM: + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE_ALPHA_SNORM: + + case GL_RED_INTEGER: + case GL_GREEN_INTEGER: + case GL_BLUE_INTEGER: + case GL_ALPHA_INTEGER: + case GL_RGB_INTEGER: + case GL_RGBA_INTEGER: + case GL_BGR_INTEGER: + case GL_BGRA_INTEGER: + case GL_RG_INTEGER: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + + case GL_DEPTH_COMPONENT: + case GL_DEPTH_STENCIL: + case GL_STENCIL_INDEX: + return GL_TRUE; + default: + return GL_FALSE; + } +} + +/** + * Test if the given format is a UNORM (unsigned-normalized) format. + */ +GLboolean +_mesa_is_enum_format_unorm(GLenum format) +{ + switch(format) { + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case 1: + case GL_LUMINANCE: + case GL_SLUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case 2: + case GL_LUMINANCE_ALPHA: + case GL_SLUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case GL_R8: + case GL_R16: + case GL_RG: + case GL_RG8: + case GL_RG16: + case 3: + case GL_RGB: + case GL_BGR: + case GL_SRGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB565: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + case 4: + case GL_ABGR_EXT: + case GL_RGBA: + case GL_BGRA: + case GL_SRGB_ALPHA: + case GL_RGBA2: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return GL_TRUE; + default: + return GL_FALSE; + } +} + +/** + * Test if the given format is a SNORM (signed-normalized) format. + */ +GLboolean +_mesa_is_enum_format_snorm(GLenum format) +{ + switch (format) { + /* signed, normalized texture formats */ + case GL_RED_SNORM: + case GL_R8_SNORM: + case GL_R16_SNORM: + case GL_RG_SNORM: + case GL_RG8_SNORM: + case GL_RG16_SNORM: + case GL_RGB_SNORM: + case GL_RGB8_SNORM: + case GL_RGB16_SNORM: + case GL_RGBA_SNORM: + case GL_RGBA8_SNORM: + case GL_RGBA16_SNORM: + case GL_ALPHA_SNORM: + case GL_ALPHA8_SNORM: + case GL_ALPHA16_SNORM: + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE8_SNORM: + case GL_LUMINANCE16_SNORM: + case GL_LUMINANCE_ALPHA_SNORM: + case GL_LUMINANCE8_ALPHA8_SNORM: + case GL_LUMINANCE16_ALPHA16_SNORM: + case GL_INTENSITY_SNORM: + case GL_INTENSITY8_SNORM: + case GL_INTENSITY16_SNORM: + return GL_TRUE; + default: + return GL_FALSE; + } +} /** * Test if the given format is an integer (non-normalized) format. |