diff options
Diffstat (limited to 'mesalib/src/mesa/main/mtypes.h')
| -rw-r--r-- | mesalib/src/mesa/main/mtypes.h | 275 |
1 files changed, 83 insertions, 192 deletions
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h index 4f0951339..83b6c8984 100644 --- a/mesalib/src/mesa/main/mtypes.h +++ b/mesalib/src/mesa/main/mtypes.h @@ -209,212 +209,103 @@ typedef enum /** - * Indexes for vertex program result attributes. Note that - * _mesa_vert_result_to_frag_attrib() and _mesa_frag_attrib_to_vert_result() make - * assumptions about the layout of this enum. - */ -typedef enum -{ - VERT_RESULT_HPOS = 0, - VERT_RESULT_COL0 = 1, - VERT_RESULT_COL1 = 2, - VERT_RESULT_FOGC = 3, - VERT_RESULT_TEX0 = 4, - VERT_RESULT_TEX1 = 5, - VERT_RESULT_TEX2 = 6, - VERT_RESULT_TEX3 = 7, - VERT_RESULT_TEX4 = 8, - VERT_RESULT_TEX5 = 9, - VERT_RESULT_TEX6 = 10, - VERT_RESULT_TEX7 = 11, - VERT_RESULT_PSIZ = 12, - VERT_RESULT_BFC0 = 13, - VERT_RESULT_BFC1 = 14, - VERT_RESULT_EDGE = 15, - VERT_RESULT_CLIP_VERTEX = 16, - VERT_RESULT_CLIP_DIST0 = 17, - VERT_RESULT_CLIP_DIST1 = 18, - VERT_RESULT_VAR0 = 19, /**< shader varying */ - VERT_RESULT_MAX = (VERT_RESULT_VAR0 + MAX_VARYING) -} gl_vert_result; - - -/*********************************************/ - -/** - * Indexes for geometry program attributes. + * 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 { - GEOM_ATTRIB_POSITION = 0, - GEOM_ATTRIB_COLOR0 = 1, - GEOM_ATTRIB_COLOR1 = 2, - GEOM_ATTRIB_SECONDARY_COLOR0 = 3, - GEOM_ATTRIB_SECONDARY_COLOR1 = 4, - GEOM_ATTRIB_FOG_FRAG_COORD = 5, - GEOM_ATTRIB_POINT_SIZE = 6, - GEOM_ATTRIB_CLIP_VERTEX = 7, - GEOM_ATTRIB_PRIMITIVE_ID = 8, - GEOM_ATTRIB_TEX_COORD = 9, - - GEOM_ATTRIB_VAR0 = 16, - GEOM_ATTRIB_MAX = (GEOM_ATTRIB_VAR0 + MAX_VARYING) -} gl_geom_attrib; - -/** - * Bitflags for geometry attributes. - * These are used in bitfields in many places. + 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 only as GS output */ + VARYING_SLOT_FACE, /* FS only */ + VARYING_SLOT_PNTC, /* FS only */ + VARYING_SLOT_VAR0, /* First generic varying slot */ + VARYING_SLOT_MAX = VARYING_SLOT_VAR0 + MAX_VARYING +} gl_varying_slot; + + +/** + * Bitflags for varying slots. */ /*@{*/ -#define GEOM_BIT_COLOR0 (1 << GEOM_ATTRIB_COLOR0) -#define GEOM_BIT_COLOR1 (1 << GEOM_ATTRIB_COLOR1) -#define GEOM_BIT_SCOLOR0 (1 << GEOM_ATTRIB_SECONDARY_COLOR0) -#define GEOM_BIT_SCOLOR1 (1 << GEOM_ATTRIB_SECONDARY_COLOR1) -#define GEOM_BIT_TEX_COORD (1 << GEOM_ATTRIB_TEX_COORD) -#define GEOM_BIT_FOG_COORD (1 << GEOM_ATTRIB_FOG_FRAG_COORD) -#define GEOM_BIT_POSITION (1 << GEOM_ATTRIB_POSITION) -#define GEOM_BIT_POINT_SIDE (1 << GEOM_ATTRIB_POINT_SIZE) -#define GEOM_BIT_CLIP_VERTEX (1 << GEOM_ATTRIB_CLIP_VERTEX) -#define GEOM_BIT_PRIM_ID (1 << GEOM_ATTRIB_PRIMITIVE_ID) -#define GEOM_BIT_VAR0 (1 << GEOM_ATTRIB_VAR0) - -#define GEOM_BIT_VAR(g) (1 << (GEOM_BIT_VAR0 + (g))) +#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_FACE BITFIELD64_BIT(VARYING_SLOT_FACE) +#define VARYING_BIT_PNTC BITFIELD64_BIT(VARYING_SLOT_PNTC) +#define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V)) /*@}*/ +/*********************************************/ + /** - * Indexes for geometry program result attributes - */ -typedef enum -{ - GEOM_RESULT_POS = 0, - GEOM_RESULT_COL0 = 1, - GEOM_RESULT_COL1 = 2, - GEOM_RESULT_SCOL0 = 3, - GEOM_RESULT_SCOL1 = 4, - GEOM_RESULT_FOGC = 5, - GEOM_RESULT_TEX0 = 6, - GEOM_RESULT_TEX1 = 7, - GEOM_RESULT_TEX2 = 8, - GEOM_RESULT_TEX3 = 9, - GEOM_RESULT_TEX4 = 10, - GEOM_RESULT_TEX5 = 11, - GEOM_RESULT_TEX6 = 12, - GEOM_RESULT_TEX7 = 13, - GEOM_RESULT_PSIZ = 14, - GEOM_RESULT_CLPV = 15, - GEOM_RESULT_PRID = 16, - GEOM_RESULT_LAYR = 17, - GEOM_RESULT_VAR0 = 18, /**< shader varying, should really be 16 */ - /* ### we need to -2 because var0 is 18 instead 16 like in the others */ - GEOM_RESULT_MAX = (GEOM_RESULT_VAR0 + MAX_VARYING - 2) -} gl_geom_result; - - -/** - * Indexes for fragment program input attributes. Note that - * _mesa_vert_result_to_frag_attrib() and frag_attrib_to_vert_result() make - * assumptions about the layout of this enum. + * Determine if the given gl_varying_slot appears in the fragment shader. */ -typedef enum +static inline GLboolean +_mesa_varying_slot_in_fs(gl_varying_slot slot) { - FRAG_ATTRIB_WPOS = 0, - FRAG_ATTRIB_COL0 = 1, - FRAG_ATTRIB_COL1 = 2, - FRAG_ATTRIB_FOGC = 3, - FRAG_ATTRIB_TEX0 = 4, - FRAG_ATTRIB_TEX1 = 5, - FRAG_ATTRIB_TEX2 = 6, - FRAG_ATTRIB_TEX3 = 7, - FRAG_ATTRIB_TEX4 = 8, - FRAG_ATTRIB_TEX5 = 9, - FRAG_ATTRIB_TEX6 = 10, - FRAG_ATTRIB_TEX7 = 11, - FRAG_ATTRIB_FACE = 12, /**< front/back face */ - FRAG_ATTRIB_PNTC = 13, /**< sprite/point coord */ - FRAG_ATTRIB_CLIP_DIST0 = 14, - FRAG_ATTRIB_CLIP_DIST1 = 15, - FRAG_ATTRIB_VAR0 = 16, /**< shader varying */ - FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING) -} gl_frag_attrib; - - -/** - * Convert from a gl_vert_result value to the corresponding gl_frag_attrib. - * - * VERT_RESULT_HPOS is converted to FRAG_ATTRIB_WPOS. - * - * gl_vert_result values which have no corresponding gl_frag_attrib - * (VERT_RESULT_PSIZ, VERT_RESULT_BFC0, VERT_RESULT_BFC1, and - * VERT_RESULT_EDGE) are converted to a value of -1. - */ -static inline int -_mesa_vert_result_to_frag_attrib(gl_vert_result vert_result) -{ - if (vert_result >= VERT_RESULT_CLIP_DIST0) - return vert_result - VERT_RESULT_CLIP_DIST0 + FRAG_ATTRIB_CLIP_DIST0; - else if (vert_result <= VERT_RESULT_TEX7) - return vert_result; - else - return -1; + switch (slot) { + case VARYING_SLOT_PSIZ: + case VARYING_SLOT_BFC0: + case VARYING_SLOT_BFC1: + case VARYING_SLOT_EDGE: + case VARYING_SLOT_CLIP_VERTEX: + case VARYING_SLOT_LAYER: + return GL_FALSE; + default: + return GL_TRUE; + } } /** - * Convert from a gl_frag_attrib value to the corresponding gl_vert_result. - * - * FRAG_ATTRIB_WPOS is converted to VERT_RESULT_HPOS. - * - * gl_frag_attrib values which have no corresponding gl_vert_result - * (FRAG_ATTRIB_FACE and FRAG_ATTRIB_PNTC) are converted to a value of -1. - */ -static inline int -_mesa_frag_attrib_to_vert_result(gl_frag_attrib frag_attrib) -{ - if (frag_attrib <= FRAG_ATTRIB_TEX7) - return frag_attrib; - else if (frag_attrib >= FRAG_ATTRIB_CLIP_DIST0) - return frag_attrib - FRAG_ATTRIB_CLIP_DIST0 + VERT_RESULT_CLIP_DIST0; - else - return -1; -} - - -/** - * Bitflags for fragment program input attributes. - */ -/*@{*/ -#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS) -#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0) -#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1) -#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC) -#define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE) -#define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC) -#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0) -#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1) -#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2) -#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3) -#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4) -#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5) -#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6) -#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7) -#define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0) - -#define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U)) -#define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V)) - -#define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \ - FRAG_BIT_TEX1| \ - FRAG_BIT_TEX2| \ - FRAG_BIT_TEX3| \ - FRAG_BIT_TEX4| \ - FRAG_BIT_TEX5| \ - FRAG_BIT_TEX6| \ - FRAG_BIT_TEX7) -/*@}*/ - - -/** * Fragment program results */ typedef enum @@ -2065,7 +1956,7 @@ struct gl_fragment_program * For inputs that do not have an interpolation qualifier specified in * GLSL, the value is INTERP_QUALIFIER_NONE. */ - enum glsl_interp_qualifier InterpQualifier[FRAG_ATTRIB_MAX]; + enum glsl_interp_qualifier InterpQualifier[VARYING_SLOT_MAX]; /** * Bitfield indicating, for each fragment shader input, 1 if that input |