diff options
Diffstat (limited to 'src/glsl/shader_enums.h')
| -rw-r--r-- | src/glsl/shader_enums.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/glsl/shader_enums.h b/src/glsl/shader_enums.h index c6f4678f56f..9bb163f3bb0 100644 --- a/src/glsl/shader_enums.h +++ b/src/glsl/shader_enums.h @@ -45,6 +45,114 @@ typedef enum #define MESA_SHADER_STAGES (MESA_SHADER_COMPUTE + 1) + +/** + * Indexes for vertex program attributes. + * GL_NV_vertex_program aliases generic attributes over the conventional + * attributes. In GL_ARB_vertex_program shader the aliasing is optional. + * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the + * generic attributes are distinct/separate). + */ +typedef enum +{ + VERT_ATTRIB_POS = 0, + VERT_ATTRIB_WEIGHT = 1, + VERT_ATTRIB_NORMAL = 2, + VERT_ATTRIB_COLOR0 = 3, + VERT_ATTRIB_COLOR1 = 4, + VERT_ATTRIB_FOG = 5, + VERT_ATTRIB_COLOR_INDEX = 6, + VERT_ATTRIB_EDGEFLAG = 7, + VERT_ATTRIB_TEX0 = 8, + VERT_ATTRIB_TEX1 = 9, + VERT_ATTRIB_TEX2 = 10, + VERT_ATTRIB_TEX3 = 11, + VERT_ATTRIB_TEX4 = 12, + VERT_ATTRIB_TEX5 = 13, + VERT_ATTRIB_TEX6 = 14, + VERT_ATTRIB_TEX7 = 15, + VERT_ATTRIB_POINT_SIZE = 16, + VERT_ATTRIB_GENERIC0 = 17, + VERT_ATTRIB_GENERIC1 = 18, + VERT_ATTRIB_GENERIC2 = 19, + VERT_ATTRIB_GENERIC3 = 20, + VERT_ATTRIB_GENERIC4 = 21, + VERT_ATTRIB_GENERIC5 = 22, + VERT_ATTRIB_GENERIC6 = 23, + VERT_ATTRIB_GENERIC7 = 24, + VERT_ATTRIB_GENERIC8 = 25, + VERT_ATTRIB_GENERIC9 = 26, + VERT_ATTRIB_GENERIC10 = 27, + VERT_ATTRIB_GENERIC11 = 28, + VERT_ATTRIB_GENERIC12 = 29, + VERT_ATTRIB_GENERIC13 = 30, + VERT_ATTRIB_GENERIC14 = 31, + VERT_ATTRIB_GENERIC15 = 32, + VERT_ATTRIB_MAX = 33 +} gl_vert_attrib; + +/** + * Symbolic constats to help iterating over + * specific blocks of vertex attributes. + * + * VERT_ATTRIB_FF + * includes all fixed function attributes as well as + * the aliased GL_NV_vertex_program shader attributes. + * VERT_ATTRIB_TEX + * include the classic texture coordinate attributes. + * Is a subset of VERT_ATTRIB_FF. + * VERT_ATTRIB_GENERIC + * include the OpenGL 2.0+ GLSL generic shader attributes. + * These alias the generic GL_ARB_vertex_shader attributes. + */ +#define VERT_ATTRIB_FF(i) (VERT_ATTRIB_POS + (i)) +#define VERT_ATTRIB_FF_MAX VERT_ATTRIB_GENERIC0 + +#define VERT_ATTRIB_TEX(i) (VERT_ATTRIB_TEX0 + (i)) +#define VERT_ATTRIB_TEX_MAX MAX_TEXTURE_COORD_UNITS + +#define VERT_ATTRIB_GENERIC(i) (VERT_ATTRIB_GENERIC0 + (i)) +#define VERT_ATTRIB_GENERIC_MAX MAX_VERTEX_GENERIC_ATTRIBS + +/** + * Bitflags for vertex attributes. + * These are used in bitfields in many places. + */ +/*@{*/ +#define VERT_BIT_POS BITFIELD64_BIT(VERT_ATTRIB_POS) +#define VERT_BIT_WEIGHT BITFIELD64_BIT(VERT_ATTRIB_WEIGHT) +#define VERT_BIT_NORMAL BITFIELD64_BIT(VERT_ATTRIB_NORMAL) +#define VERT_BIT_COLOR0 BITFIELD64_BIT(VERT_ATTRIB_COLOR0) +#define VERT_BIT_COLOR1 BITFIELD64_BIT(VERT_ATTRIB_COLOR1) +#define VERT_BIT_FOG BITFIELD64_BIT(VERT_ATTRIB_FOG) +#define VERT_BIT_COLOR_INDEX BITFIELD64_BIT(VERT_ATTRIB_COLOR_INDEX) +#define VERT_BIT_EDGEFLAG BITFIELD64_BIT(VERT_ATTRIB_EDGEFLAG) +#define VERT_BIT_TEX0 BITFIELD64_BIT(VERT_ATTRIB_TEX0) +#define VERT_BIT_TEX1 BITFIELD64_BIT(VERT_ATTRIB_TEX1) +#define VERT_BIT_TEX2 BITFIELD64_BIT(VERT_ATTRIB_TEX2) +#define VERT_BIT_TEX3 BITFIELD64_BIT(VERT_ATTRIB_TEX3) +#define VERT_BIT_TEX4 BITFIELD64_BIT(VERT_ATTRIB_TEX4) +#define VERT_BIT_TEX5 BITFIELD64_BIT(VERT_ATTRIB_TEX5) +#define VERT_BIT_TEX6 BITFIELD64_BIT(VERT_ATTRIB_TEX6) +#define VERT_BIT_TEX7 BITFIELD64_BIT(VERT_ATTRIB_TEX7) +#define VERT_BIT_POINT_SIZE BITFIELD64_BIT(VERT_ATTRIB_POINT_SIZE) +#define VERT_BIT_GENERIC0 BITFIELD64_BIT(VERT_ATTRIB_GENERIC0) + +#define VERT_BIT(i) BITFIELD64_BIT(i) +#define VERT_BIT_ALL BITFIELD64_RANGE(0, VERT_ATTRIB_MAX) + +#define VERT_BIT_FF(i) VERT_BIT(i) +#define VERT_BIT_FF_ALL BITFIELD64_RANGE(0, VERT_ATTRIB_FF_MAX) +#define VERT_BIT_TEX(i) VERT_BIT(VERT_ATTRIB_TEX(i)) +#define VERT_BIT_TEX_ALL \ + BITFIELD64_RANGE(VERT_ATTRIB_TEX(0), VERT_ATTRIB_TEX_MAX) + +#define VERT_BIT_GENERIC(i) VERT_BIT(VERT_ATTRIB_GENERIC(i)) +#define VERT_BIT_GENERIC_ALL \ + BITFIELD64_RANGE(VERT_ATTRIB_GENERIC(0), VERT_ATTRIB_GENERIC_MAX) +/*@}*/ + + /** * Indexes for vertex shader outputs, geometry shader inputs/outputs, and * fragment shader inputs. |