diff options
Diffstat (limited to 'mesalib/src/mesa/main/formats.h')
| -rw-r--r-- | mesalib/src/mesa/main/formats.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h index dc50bc830..457c8abf8 100644 --- a/mesalib/src/mesa/main/formats.h +++ b/mesalib/src/mesa/main/formats.h @@ -35,6 +35,7 @@ #include <GL/gl.h> #include <stdbool.h> +#include <stdint.h> #ifdef __cplusplus @@ -56,6 +57,29 @@ extern "C" { */ #define MAX_PIXEL_BYTES 16 +/** + * Specifies the layout of a pixel format. See the MESA_FORMAT + * documentation below. + */ +enum mesa_format_layout { + MESA_FORMAT_LAYOUT_ARRAY, + MESA_FORMAT_LAYOUT_PACKED, + MESA_FORMAT_LAYOUT_OTHER, +}; + +/** + * An enum representing different possible swizzling values. This is used + * to interpret the output of _mesa_get_format_swizzle + */ +enum { + MESA_FORMAT_SWIZZLE_X = 0, + MESA_FORMAT_SWIZZLE_Y = 1, + MESA_FORMAT_SWIZZLE_Z = 2, + MESA_FORMAT_SWIZZLE_W = 3, + MESA_FORMAT_SWIZZLE_ZERO = 4, + MESA_FORMAT_SWIZZLE_ONE = 5, + MESA_FORMAT_SWIZZLE_NONE = 6, +}; /** * Mesa texture/renderbuffer image formats. @@ -419,6 +443,9 @@ _mesa_get_format_bits(mesa_format format, GLenum pname); extern GLuint _mesa_get_format_max_bits(mesa_format format); +extern enum mesa_format_layout +_mesa_get_format_layout(mesa_format format); + extern GLenum _mesa_get_format_datatype(mesa_format format); @@ -428,6 +455,9 @@ _mesa_get_format_base_format(mesa_format format); extern void _mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh); +extern void +_mesa_get_format_swizzle(mesa_format format, uint8_t swizzle_out[4]); + extern GLboolean _mesa_is_format_compressed(mesa_format format); |