gallium: Use explicit values in caps enums.

Simplifies mapping between numbers and identifiers for these.

src/gallium/include/pipe/p_defines.h

@@ -414,79 +414,79 @@ enum pipe_transfer_usage {
  * pipe_screen::get_param() and pipe_screen::get_paramf().
  */
 enum pipe_cap {
-   PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS,
-   PIPE_CAP_NPOT_TEXTURES,
-   PIPE_CAP_TWO_SIDED_STENCIL,
-   PIPE_CAP_GLSL,  /* XXX need something better */
-   PIPE_CAP_DUAL_SOURCE_BLEND,
-   PIPE_CAP_ANISOTROPIC_FILTER,
-   PIPE_CAP_POINT_SPRITE,
-   PIPE_CAP_MAX_RENDER_TARGETS,
-   PIPE_CAP_OCCLUSION_QUERY,
-   PIPE_CAP_TIMER_QUERY,
-   PIPE_CAP_TEXTURE_SHADOW_MAP,
-   PIPE_CAP_TEXTURE_SWIZZLE,
-   PIPE_CAP_MAX_TEXTURE_2D_LEVELS,
-   PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
-   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
-   PIPE_CAP_MAX_LINE_WIDTH,
-   PIPE_CAP_MAX_LINE_WIDTH_AA,
-   PIPE_CAP_MAX_POINT_WIDTH,
-   PIPE_CAP_MAX_POINT_WIDTH_AA,
-   PIPE_CAP_MAX_TEXTURE_ANISOTROPY,
-   PIPE_CAP_MAX_TEXTURE_LOD_BIAS,
-   PIPE_CAP_GUARD_BAND_LEFT,  /*< float */
-   PIPE_CAP_GUARD_BAND_TOP,  /*< float */
-   PIPE_CAP_GUARD_BAND_RIGHT,  /*< float */
-   PIPE_CAP_GUARD_BAND_BOTTOM,  /*< float */
-   PIPE_CAP_TEXTURE_MIRROR_CLAMP,
-   PIPE_CAP_TEXTURE_MIRROR_REPEAT,
-   PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS,
-   PIPE_CAP_BLEND_EQUATION_SEPARATE,
-   PIPE_CAP_SM3,  /*< Shader Model, supported */
-   PIPE_CAP_STREAM_OUTPUT,
-   PIPE_CAP_PRIMITIVE_RESTART,
+   PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS = 0,
+   PIPE_CAP_NPOT_TEXTURES = 1,
+   PIPE_CAP_TWO_SIDED_STENCIL = 2,
+   PIPE_CAP_GLSL = 3,  /* XXX need something better */
+   PIPE_CAP_DUAL_SOURCE_BLEND = 4,
+   PIPE_CAP_ANISOTROPIC_FILTER = 5,
+   PIPE_CAP_POINT_SPRITE = 6,
+   PIPE_CAP_MAX_RENDER_TARGETS = 7,
+   PIPE_CAP_OCCLUSION_QUERY = 8,
+   PIPE_CAP_TIMER_QUERY = 9,
+   PIPE_CAP_TEXTURE_SHADOW_MAP = 10,
+   PIPE_CAP_TEXTURE_SWIZZLE = 11,
+   PIPE_CAP_MAX_TEXTURE_2D_LEVELS = 12,
+   PIPE_CAP_MAX_TEXTURE_3D_LEVELS = 13,
+   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS = 14,
+   PIPE_CAP_MAX_LINE_WIDTH = 15,
+   PIPE_CAP_MAX_LINE_WIDTH_AA = 16,
+   PIPE_CAP_MAX_POINT_WIDTH = 17,
+   PIPE_CAP_MAX_POINT_WIDTH_AA = 18,
+   PIPE_CAP_MAX_TEXTURE_ANISOTROPY = 19,
+   PIPE_CAP_MAX_TEXTURE_LOD_BIAS = 20,
+   PIPE_CAP_GUARD_BAND_LEFT = 21,  /*< float */
+   PIPE_CAP_GUARD_BAND_TOP = 22,  /*< float */
+   PIPE_CAP_GUARD_BAND_RIGHT = 23,  /*< float */
+   PIPE_CAP_GUARD_BAND_BOTTOM = 24,  /*< float */
+   PIPE_CAP_TEXTURE_MIRROR_CLAMP = 25,
+   PIPE_CAP_TEXTURE_MIRROR_REPEAT = 26,
+   PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS = 27,
+   PIPE_CAP_BLEND_EQUATION_SEPARATE = 28,
+   PIPE_CAP_SM3 = 29,  /*< Shader Model, supported */
+   PIPE_CAP_STREAM_OUTPUT = 30,
+   PIPE_CAP_PRIMITIVE_RESTART = 31,
    /** Maximum texture image units accessible from vertex and fragment shaders
     * combined */
-   PIPE_CAP_MAX_COMBINED_SAMPLERS,
+   PIPE_CAP_MAX_COMBINED_SAMPLERS = 32,
    /** blend enables and write masks per rendertarget */
-   PIPE_CAP_INDEP_BLEND_ENABLE,
+   PIPE_CAP_INDEP_BLEND_ENABLE = 33,
    /** different blend funcs per rendertarget */
-   PIPE_CAP_INDEP_BLEND_FUNC,
-   PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE,
-   PIPE_CAP_ARRAY_TEXTURES,
-   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
-   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
-   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
-   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
-   PIPE_CAP_DEPTH_CLAMP,
-   PIPE_CAP_SHADER_STENCIL_EXPORT,
-   PIPE_CAP_TGSI_INSTANCEID,
-   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
-   PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL
+   PIPE_CAP_INDEP_BLEND_FUNC = 34,
+   PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE = 35,
+   PIPE_CAP_ARRAY_TEXTURES = 36,
+   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT = 37,
+   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT = 38,
+   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER = 39,
+   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER = 40,
+   PIPE_CAP_DEPTH_CLAMP = 41,
+   PIPE_CAP_SHADER_STENCIL_EXPORT = 42,
+   PIPE_CAP_TGSI_INSTANCEID = 43,
+   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR = 44,
+   PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL = 45,
 };
 
 /* Shader caps not specific to any single stage */
 enum pipe_shader_cap
 {
-   PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
-   PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
-   PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
-   PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
-   PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
-   PIPE_SHADER_CAP_MAX_INPUTS,
-   PIPE_SHADER_CAP_MAX_CONSTS,
-   PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
-   PIPE_SHADER_CAP_MAX_TEMPS,
-   PIPE_SHADER_CAP_MAX_ADDRS,
-   PIPE_SHADER_CAP_MAX_PREDS,
+   PIPE_SHADER_CAP_MAX_INSTRUCTIONS = 0, /* if 0, it means the stage is unsupported */
+   PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS = 1,
+   PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS = 2,
+   PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS = 3,
+   PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH = 4,
+   PIPE_SHADER_CAP_MAX_INPUTS = 5,
+   PIPE_SHADER_CAP_MAX_CONSTS = 6,
+   PIPE_SHADER_CAP_MAX_CONST_BUFFERS = 7,
+   PIPE_SHADER_CAP_MAX_TEMPS = 8,
+   PIPE_SHADER_CAP_MAX_ADDRS = 9,
+   PIPE_SHADER_CAP_MAX_PREDS = 10,
    /* boolean caps */
-   PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
-   PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
-   PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
-   PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
-   PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
-   PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
+   PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED = 11,
+   PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR = 12,
+   PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR = 13,
+   PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR = 14,
+   PIPE_SHADER_CAP_INDIRECT_CONST_ADDR = 15,
+   PIPE_SHADER_CAP_SUBROUTINES = 16, /* BGNSUB, ENDSUB, CAL, RET */
 };