diff options
Diffstat (limited to 'src/glsl/shader_enums.h')
| -rw-r--r-- | src/glsl/shader_enums.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/glsl/shader_enums.h b/src/glsl/shader_enums.h index 3c3941645f0..c6f4678f56f 100644 --- a/src/glsl/shader_enums.h +++ b/src/glsl/shader_enums.h @@ -46,6 +46,85 @@ typedef enum #define MESA_SHADER_STAGES (MESA_SHADER_COMPUTE + 1) /** + * Indexes for vertex shader outputs, geometry shader inputs/outputs, and + * fragment shader inputs. + * + * Note that some of these values are not available to all pipeline stages. + * + * When this enum is updated, the following code must be updated too: + * - vertResults (in prog_print.c's arb_output_attrib_string()) + * - fragAttribs (in prog_print.c's arb_input_attrib_string()) + * - _mesa_varying_slot_in_fs() + */ +typedef enum +{ + VARYING_SLOT_POS, + VARYING_SLOT_COL0, /* COL0 and COL1 must be contiguous */ + VARYING_SLOT_COL1, + VARYING_SLOT_FOGC, + VARYING_SLOT_TEX0, /* TEX0-TEX7 must be contiguous */ + VARYING_SLOT_TEX1, + VARYING_SLOT_TEX2, + VARYING_SLOT_TEX3, + VARYING_SLOT_TEX4, + VARYING_SLOT_TEX5, + VARYING_SLOT_TEX6, + VARYING_SLOT_TEX7, + VARYING_SLOT_PSIZ, /* Does not appear in FS */ + VARYING_SLOT_BFC0, /* Does not appear in FS */ + VARYING_SLOT_BFC1, /* Does not appear in FS */ + VARYING_SLOT_EDGE, /* Does not appear in FS */ + VARYING_SLOT_CLIP_VERTEX, /* Does not appear in FS */ + VARYING_SLOT_CLIP_DIST0, + VARYING_SLOT_CLIP_DIST1, + VARYING_SLOT_PRIMITIVE_ID, /* Does not appear in VS */ + VARYING_SLOT_LAYER, /* Appears as VS or GS output */ + VARYING_SLOT_VIEWPORT, /* Appears as VS or GS output */ + VARYING_SLOT_FACE, /* FS only */ + VARYING_SLOT_PNTC, /* FS only */ + VARYING_SLOT_TESS_LEVEL_OUTER, /* Only appears as TCS output. */ + VARYING_SLOT_TESS_LEVEL_INNER, /* Only appears as TCS output. */ + VARYING_SLOT_VAR0, /* First generic varying slot */ +} gl_varying_slot; + + +/** + * Bitflags for varying slots. + */ +/*@{*/ +#define VARYING_BIT_POS BITFIELD64_BIT(VARYING_SLOT_POS) +#define VARYING_BIT_COL0 BITFIELD64_BIT(VARYING_SLOT_COL0) +#define VARYING_BIT_COL1 BITFIELD64_BIT(VARYING_SLOT_COL1) +#define VARYING_BIT_FOGC BITFIELD64_BIT(VARYING_SLOT_FOGC) +#define VARYING_BIT_TEX0 BITFIELD64_BIT(VARYING_SLOT_TEX0) +#define VARYING_BIT_TEX1 BITFIELD64_BIT(VARYING_SLOT_TEX1) +#define VARYING_BIT_TEX2 BITFIELD64_BIT(VARYING_SLOT_TEX2) +#define VARYING_BIT_TEX3 BITFIELD64_BIT(VARYING_SLOT_TEX3) +#define VARYING_BIT_TEX4 BITFIELD64_BIT(VARYING_SLOT_TEX4) +#define VARYING_BIT_TEX5 BITFIELD64_BIT(VARYING_SLOT_TEX5) +#define VARYING_BIT_TEX6 BITFIELD64_BIT(VARYING_SLOT_TEX6) +#define VARYING_BIT_TEX7 BITFIELD64_BIT(VARYING_SLOT_TEX7) +#define VARYING_BIT_TEX(U) BITFIELD64_BIT(VARYING_SLOT_TEX0 + (U)) +#define VARYING_BITS_TEX_ANY BITFIELD64_RANGE(VARYING_SLOT_TEX0, \ + MAX_TEXTURE_COORD_UNITS) +#define VARYING_BIT_PSIZ BITFIELD64_BIT(VARYING_SLOT_PSIZ) +#define VARYING_BIT_BFC0 BITFIELD64_BIT(VARYING_SLOT_BFC0) +#define VARYING_BIT_BFC1 BITFIELD64_BIT(VARYING_SLOT_BFC1) +#define VARYING_BIT_EDGE BITFIELD64_BIT(VARYING_SLOT_EDGE) +#define VARYING_BIT_CLIP_VERTEX BITFIELD64_BIT(VARYING_SLOT_CLIP_VERTEX) +#define VARYING_BIT_CLIP_DIST0 BITFIELD64_BIT(VARYING_SLOT_CLIP_DIST0) +#define VARYING_BIT_CLIP_DIST1 BITFIELD64_BIT(VARYING_SLOT_CLIP_DIST1) +#define VARYING_BIT_PRIMITIVE_ID BITFIELD64_BIT(VARYING_SLOT_PRIMITIVE_ID) +#define VARYING_BIT_LAYER BITFIELD64_BIT(VARYING_SLOT_LAYER) +#define VARYING_BIT_VIEWPORT BITFIELD64_BIT(VARYING_SLOT_VIEWPORT) +#define VARYING_BIT_FACE BITFIELD64_BIT(VARYING_SLOT_FACE) +#define VARYING_BIT_PNTC BITFIELD64_BIT(VARYING_SLOT_PNTC) +#define VARYING_BIT_TESS_LEVEL_OUTER BITFIELD64_BIT(VARYING_SLOT_TESS_LEVEL_OUTER) +#define VARYING_BIT_TESS_LEVEL_INNER BITFIELD64_BIT(VARYING_SLOT_TESS_LEVEL_INNER) +#define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V)) +/*@}*/ + +/** * Bitflags for system values. */ #define SYSTEM_BIT_SAMPLE_ID ((uint64_t)1 << SYSTEM_VALUE_SAMPLE_ID) @@ -196,5 +275,24 @@ enum glsl_interp_qualifier INTERP_QUALIFIER_COUNT /**< Number of interpolation qualifiers */ }; +/** + * Fragment program results + */ +typedef enum +{ + FRAG_RESULT_DEPTH = 0, + FRAG_RESULT_STENCIL = 1, + /* If a single color should be written to all render targets, this + * register is written. No FRAG_RESULT_DATAn will be written. + */ + FRAG_RESULT_COLOR = 2, + FRAG_RESULT_SAMPLE_MASK = 3, + + /* FRAG_RESULT_DATAn are the per-render-target (GLSL gl_FragData[n] + * or ARB_fragment_program fragment.color[n]) color results. If + * any are written, FRAG_RESULT_COLOR will not be written. + */ + FRAG_RESULT_DATA0 = 4, +} gl_frag_result; #endif /* SHADER_ENUMS_H */ |