Add data types for vectors, matrices, images and samplers

[libs/gl.git] / source / core / datatype.h

diff --git a/source/core/datatype.h b/source/core/datatype.h
index a343e8cf2be517399130f8f40fe0f57f644cbb00..92529a18fc256535eb92e85bd0ae93252c1c11a9 100644 (file)
--- a/source/core/datatype.h
+++ b/source/core/datatype.h
@@ -6,8 +6,28 @@
 namespace Msp {
 namespace GL {
 
+/**
+Identifies a data type.  The values are bitfields laid as follows:
+
+__ds addd ccrr _bfg ssss ssss
+  ││ │  │  │ │  │││         └╴Size (bytes)
+  ││ │  │  │ │  ││└──────────╴Signed flag
+  ││ │  │  │ │  │└───────────╴Floating-point flag
+  ││ │  │  │ │  └────────────╴Boolean flag
+  ││ │  │  │ └───────────────╴Vector or matrix rows minus one
+  ││ │  │  └─────────────────╴Matrix columns minus one
+  ││ │  └────────────────────╴Image dimensions (4 = cube)
+  ││ └───────────────────────╴Image array flag
+  │└─────────────────────────╴Sampled image flag
+  └──────────────────────────╴Shadow sampler flag
+
+This information is presented for internal documentation purposes only; it is
+inadvisable for programs to rely on it.
+*/
 enum DataType
 {
+       VOID = 0,
+       BOOL = 0x401,
        BYTE = 0x101,
        UNSIGNED_BYTE = 0x001,
        SHORT = 0x102,
@@ -15,7 +35,59 @@ enum DataType
        INT = 0x104,
        UNSIGNED_INT = 0x004,
        FLOAT = 0x304,
-       HALF_FLOAT = 0x302
+       HALF_FLOAT = 0x302,
+       DOUBLE = 0x308,
+
+       FLOAT_VEC2 = 0x1308,
+       FLOAT_VEC3 = 0x230C,
+       FLOAT_VEC4 = 0x3310,
+       INT_VEC2 = 0x1108,
+       INT_VEC3 = 0x210C,
+       INT_VEC4 = 0x3110,
+       BOOL_VEC2 = 0x1402,
+       BOOL_VEC3 = 0x2403,
+       BOOL_VEC4 = 0x3404,
+
+       FLOAT_MAT2 = 0x5310,
+       FLOAT_MAT3 = 0xA324,
+       FLOAT_MAT4 = 0xF340,
+       FLOAT_MAT2x3 = 0x6318,
+       FLOAT_MAT3x2 = 0x9318,
+       FLOAT_MAT2x4 = 0x7320,
+       FLOAT_MAT4x2 = 0xD320,
+       FLOAT_MAT3x4 = 0xB330,
+       FLOAT_MAT4x3 = 0xE330,
+
+       DOUBLE_MAT2 = 0x5320,
+       DOUBLE_MAT3 = 0xA348,
+       DOUBLE_MAT4 = 0xF380,
+       DOUBLE_MAT2x3 = 0x6330,
+       DOUBLE_MAT3x2 = 0x7330,
+       DOUBLE_MAT2x4 = 0x7340,
+       DOUBLE_MAT4x2 = 0xD340,
+       DOUBLE_MAT3x4 = 0xB360,
+       DOUBLE_MAT4x3 = 0xE360,
+
+       IMAGE_1D = 0x10304,
+       IMAGE_2D = 0x20304,
+       IMAGE_3D = 0x30304,
+       IMAGE_CUBE = 0x40304,
+       IMAGE_1D_ARRAY = 0x90304,
+       IMAGE_2D_ARRAY = 0xA0304,
+       IMAGE_CUBE_ARRAY = 0xC0304,
+       SAMPLER_1D = 0x110304,
+       SAMPLER_2D = 0x120304,
+       SAMPLER_3D = 0x130304,
+       SAMPLER_CUBE = 0x140304,
+       SAMPLER_1D_ARRAY = 0x190304,
+       SAMPLER_2D_ARRAY = 0x1A0304,
+       SAMPLER_CUBE_ARRAY = 0x1C0304,
+       SAMPLER_1D_SHADOW = 0x310304,
+       SAMPLER_2D_SHADOW = 0x320304,
+       SAMPLER_CUBE_SHADOW = 0x340304,
+       SAMPLER_1D_ARRAY_SHADOW = 0x390304,
+       SAMPLER_2D_ARRAY_SHADOW = 0x3A0304,
+       SAMPLER_CUBE_ARRAY_SHADOW = 0x3C0304
 };
 
 inline unsigned get_type_size(DataType t)