* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include "main/config.h"
+
#ifndef SHADER_ENUMS_H
#define SHADER_ENUMS_H
};
+/**
+ * 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.
+ *
+ * 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 */
+ VARYING_SLOT_MAX = VARYING_SLOT_VAR0 + MAX_VARYING,
+ VARYING_SLOT_PATCH0 = VARYING_SLOT_MAX,
+ VARYING_SLOT_TESS_MAX = VARYING_SLOT_PATCH0 + MAX_VARYING
+} 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_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V))
+/*@}*/
+
+
+/**
+ * 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,
+ FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
+} gl_frag_result;
+
+
#endif /* SHADER_ENUMS_H */
projects / mesa.git / blobdiff