/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008 VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "texstore.h"
+#if FEATURE_EXT_texture_sRGB
+
+/**
+ * Convert an 8-bit sRGB value from non-linear space to a
+ * linear RGB value in [0, 1].
+ * Implemented with a 256-entry lookup table.
+ */
+static INLINE GLfloat
+nonlinear_to_linear(GLubyte cs8)
+{
+ static GLfloat table[256];
+ static GLboolean tableReady = GL_FALSE;
+ if (!tableReady) {
+ /* compute lookup table now */
+ GLuint i;
+ for (i = 0; i < 256; i++) {
+ const GLfloat cs = UBYTE_TO_FLOAT(i);
+ if (cs <= 0.04045) {
+ table[i] = cs / 12.92f;
+ }
+ else {
+ table[i] = (GLfloat) _mesa_pow((cs + 0.055) / 1.055, 2.4);
+ }
+ }
+ tableReady = GL_TRUE;
+ }
+ return table[cs8];
+}
+
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
/* Texel fetch routines for all supported formats
*/
static void store_null_texel(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
{
+ (void) texImage;
+ (void) i;
+ (void) j;
+ (void) k;
+ (void) texel;
/* no-op */
}
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4 * sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba, /* StoreTexImageFunc */
fetch_texel_1d_rgba, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
3 * sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_rgb, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_alpha, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_luminance, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2 * sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_luminance_alpha, /* FetchTexel1D */
CHAN_BITS, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
sizeof(GLchan), /* TexelBytes */
_mesa_texstore_rgba,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_intensity, /* FetchTexel1D */
store_texel_intensity /* StoreTexel */
};
-const struct gl_texture_format _mesa_texformat_depth_component_float32 = {
- MESA_FORMAT_DEPTH_COMPONENT_FLOAT32, /* MesaFormat */
- GL_DEPTH_COMPONENT, /* BaseFormat */
+
+#if FEATURE_EXT_texture_sRGB
+
+const struct gl_texture_format _mesa_texformat_srgb8 = {
+ MESA_FORMAT_SRGB8, /* MesaFormat */
+ GL_RGB, /* BaseFormat */
GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 0, /* RedBits */
- 0, /* GreenBits */
- 0, /* BlueBits */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 8, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
- sizeof(GLfloat) * 8, /* DepthBits */
- sizeof(GLfloat), /* TexelBytes */
- _mesa_texstore_depth_component_float32,/* StoreTexImageFunc */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 3, /* TexelBytes */
+ _mesa_texstore_srgb8, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_srgb8, /* FetchTexel1Df */
+ fetch_texel_2d_srgb8, /* FetchTexel2Df */
+ fetch_texel_3d_srgb8, /* FetchTexel3Df */
+ store_texel_srgb8 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_srgba8 = {
+ MESA_FORMAT_SRGBA8, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 8, /* BlueBits */
+ 8, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_srgba8, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_srgba8, /* FetchTexel1Df */
+ fetch_texel_2d_srgba8, /* FetchTexel2Df */
+ fetch_texel_3d_srgba8, /* FetchTexel3Df */
+ store_texel_srgba8 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_sargb8 = {
+ MESA_FORMAT_SARGB8, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 8, /* BlueBits */
+ 8, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_sargb8, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
- fetch_texel_1d_f_depth_component_f32,/* FetchTexel1Df */
- fetch_texel_2d_f_depth_component_f32,/* FetchTexel2Df */
- fetch_texel_3d_f_depth_component_f32,/* FetchTexel3Df */
- store_texel_depth_component_f32 /* StoreTexel */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_sargb8, /* FetchTexel1Df */
+ fetch_texel_2d_sargb8, /* FetchTexel2Df */
+ fetch_texel_3d_sargb8, /* FetchTexel3Df */
+ store_texel_sargb8 /* StoreTexel */
};
-const struct gl_texture_format _mesa_texformat_depth_component16 = {
- MESA_FORMAT_DEPTH_COMPONENT16, /* MesaFormat */
- GL_DEPTH_COMPONENT, /* BaseFormat */
+const struct gl_texture_format _mesa_texformat_sl8 = {
+ MESA_FORMAT_SL8, /* MesaFormat */
+ GL_LUMINANCE, /* BaseFormat */
GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
- 0, /* LuminanceBits */
+ 8, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
- sizeof(GLushort) * 8, /* DepthBits */
- sizeof(GLushort), /* TexelBytes */
- _mesa_texstore_depth_component16, /* StoreTexImageFunc */
- NULL, /* FetchTexel1D */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 1, /* TexelBytes */
+ _mesa_texstore_sl8, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_sl8, /* FetchTexel1Df */
+ fetch_texel_2d_sl8, /* FetchTexel2Df */
+ fetch_texel_3d_sl8, /* FetchTexel3Df */
+ store_texel_sl8 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_sla8 = {
+ MESA_FORMAT_SLA8, /* MesaFormat */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 8, /* AlphaBits */
+ 8, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_sla8, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
- fetch_texel_1d_f_depth_component16, /* FetchTexel1Df */
- fetch_texel_2d_f_depth_component16, /* FetchTexel2Df */
- fetch_texel_3d_f_depth_component16, /* FetchTexel3Df */
- store_texel_depth_component16 /* StoreTexel */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_sla8, /* FetchTexel1Df */
+ fetch_texel_2d_sla8, /* FetchTexel2Df */
+ fetch_texel_3d_sla8, /* FetchTexel3Df */
+ store_texel_sla8 /* StoreTexel */
};
+#endif /* FEATURE_EXT_texture_sRGB */
+
const struct gl_texture_format _mesa_texformat_rgba_float32 = {
MESA_FORMAT_RGBA_FLOAT32, /* MesaFormat */
GL_RGBA, /* BaseFormat */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
3 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
3 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16, /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
8 * sizeof(GLfloat), /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLfloat), /* TexelBytes */
_mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
8 * sizeof(GLhalfARB), /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1 * sizeof(GLhalfARB), /* TexelBytes */
_mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
NULL, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4, /* TexelBytes */
_mesa_texstore_rgba8888, /* StoreTexImageFunc */
fetch_texel_1d_rgba8888, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4, /* TexelBytes */
_mesa_texstore_rgba8888, /* StoreTexImageFunc */
fetch_texel_1d_rgba8888_rev, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4, /* TexelBytes */
_mesa_texstore_argb8888, /* StoreTexImageFunc */
fetch_texel_1d_argb8888, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
4, /* TexelBytes */
_mesa_texstore_argb8888, /* StoreTexImageFunc */
fetch_texel_1d_argb8888_rev, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
3, /* TexelBytes */
_mesa_texstore_rgb888, /* StoreTexImageFunc */
fetch_texel_1d_rgb888, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
3, /* TexelBytes */
_mesa_texstore_bgr888, /* StoreTexImageFunc */
fetch_texel_1d_bgr888, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_rgb565, /* StoreTexImageFunc */
fetch_texel_1d_rgb565, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_rgb565, /* StoreTexImageFunc */
fetch_texel_1d_rgb565_rev, /* FetchTexel1D */
store_texel_rgb565_rev /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rgba4444 = {
+ MESA_FORMAT_RGBA4444, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 4, /* RedBits */
+ 4, /* GreenBits */
+ 4, /* BlueBits */
+ 4, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rgba4444, /* StoreTexImageFunc */
+ fetch_texel_1d_rgba4444, /* FetchTexel1D */
+ fetch_texel_2d_rgba4444, /* FetchTexel2D */
+ fetch_texel_3d_rgba4444, /* FetchTexel3D */
+ NULL, /* FetchTexel1Df */
+ NULL, /* FetchTexel2Df */
+ NULL, /* FetchTexel3Df */
+ store_texel_rgba4444 /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_argb4444 = {
MESA_FORMAT_ARGB4444, /* MesaFormat */
GL_RGBA, /* BaseFormat */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_argb4444, /* StoreTexImageFunc */
fetch_texel_1d_argb4444, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_argb4444, /* StoreTexImageFunc */
fetch_texel_1d_argb4444_rev, /* FetchTexel1D */
store_texel_argb4444_rev /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rgba5551 = {
+ MESA_FORMAT_RGBA5551, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 5, /* RedBits */
+ 5, /* GreenBits */
+ 5, /* BlueBits */
+ 1, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rgba5551, /* StoreTexImageFunc */
+ fetch_texel_1d_rgba5551, /* FetchTexel1D */
+ fetch_texel_2d_rgba5551, /* FetchTexel2D */
+ fetch_texel_3d_rgba5551, /* FetchTexel3D */
+ NULL, /* FetchTexel1Df */
+ NULL, /* FetchTexel2Df */
+ NULL, /* FetchTexel3Df */
+ store_texel_rgba5551 /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_argb1555 = {
MESA_FORMAT_ARGB1555, /* MesaFormat */
GL_RGBA, /* BaseFormat */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_argb1555, /* StoreTexImageFunc */
fetch_texel_1d_argb1555, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_argb1555, /* StoreTexImageFunc */
fetch_texel_1d_argb1555_rev, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_al88, /* StoreTexImageFunc */
fetch_texel_1d_al88, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_al88, /* StoreTexImageFunc */
fetch_texel_1d_al88_rev, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1, /* TexelBytes */
_mesa_texstore_rgb332, /* StoreTexImageFunc */
fetch_texel_1d_rgb332, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1, /* TexelBytes */
_mesa_texstore_a8, /* StoreTexImageFunc */
fetch_texel_1d_a8, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1, /* TexelBytes */
_mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_l8, /* FetchTexel1D */
8, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1, /* TexelBytes */
_mesa_texstore_a8,/*yes*/ /* StoreTexImageFunc */
fetch_texel_1d_i8, /* FetchTexel1D */
0, /* IntensityBits */
8, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
1, /* TexelBytes */
_mesa_texstore_ci8, /* StoreTexImageFunc */
fetch_texel_1d_ci8, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_ycbcr, /* StoreTexImageFunc */
fetch_texel_1d_ycbcr, /* FetchTexel1D */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
2, /* TexelBytes */
_mesa_texstore_ycbcr, /* StoreTexImageFunc */
fetch_texel_1d_ycbcr_rev, /* FetchTexel1D */
store_texel_ycbcr_rev /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_z24_s8 = {
+ MESA_FORMAT_Z24_S8, /* MesaFormat */
+ GL_DEPTH_STENCIL_EXT, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 24, /* DepthBits */
+ 8, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_z24_s8, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_z24_s8, /* FetchTexel1Df */
+ fetch_texel_2d_f_z24_s8, /* FetchTexel2Df */
+ fetch_texel_3d_f_z24_s8, /* FetchTexel3Df */
+ store_texel_z24_s8 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_s8_z24 = {
+ MESA_FORMAT_S8_Z24, /* MesaFormat */
+ GL_DEPTH_STENCIL_EXT, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 24, /* DepthBits */
+ 8, /* StencilBits */
+ 4, /* TexelBytes */
+ _mesa_texstore_s8_z24, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ fetch_texel_1d_f_s8_z24, /* FetchTexel1Df */
+ fetch_texel_2d_f_s8_z24, /* FetchTexel2Df */
+ fetch_texel_3d_f_s8_z24, /* FetchTexel3Df */
+ store_texel_s8_z24 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_z16 = {
+ MESA_FORMAT_Z16, /* MesaFormat */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ sizeof(GLushort) * 8, /* DepthBits */
+ 0, /* StencilBits */
+ sizeof(GLushort), /* TexelBytes */
+ _mesa_texstore_z16, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel1D */
+ fetch_texel_1d_f_z16, /* FetchTexel1Df */
+ fetch_texel_2d_f_z16, /* FetchTexel2Df */
+ fetch_texel_3d_f_z16, /* FetchTexel3Df */
+ store_texel_z16 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_z32 = {
+ MESA_FORMAT_Z32, /* MesaFormat */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ sizeof(GLuint) * 8, /* DepthBits */
+ 0, /* StencilBits */
+ sizeof(GLuint), /* TexelBytes */
+ _mesa_texstore_z32, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel1D */
+ fetch_texel_1d_f_z32, /* FetchTexel1Df */
+ fetch_texel_2d_f_z32, /* FetchTexel2Df */
+ fetch_texel_3d_f_z32, /* FetchTexel3Df */
+ store_texel_z32 /* StoreTexel */
+};
+
/*@}*/
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
+ 0, /* StencilBits */
0, /* TexelBytes */
NULL, /* StoreTexImageFunc */
fetch_null_texel, /* FetchTexel1D */
; /* fallthrough */
}
- if (ctx->Extensions.SGIX_depth_texture ||
- ctx->Extensions.ARB_depth_texture) {
+ if (ctx->Extensions.ARB_depth_texture) {
switch (internalFormat) {
case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT24_SGIX:
- case GL_DEPTH_COMPONENT32_SGIX:
- return &_mesa_texformat_depth_component_float32;
- case GL_DEPTH_COMPONENT16_SGIX:
- return &_mesa_texformat_depth_component16;
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return &_mesa_texformat_z32;
+ case GL_DEPTH_COMPONENT16:
+ return &_mesa_texformat_z16;
default:
; /* fallthrough */
}
}
- if (ctx->Extensions.ARB_texture_compression) {
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- return &_mesa_texformat_alpha;
- case GL_COMPRESSED_LUMINANCE_ARB:
- return &_mesa_texformat_luminance;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- return &_mesa_texformat_luminance_alpha;
- case GL_COMPRESSED_INTENSITY_ARB:
- return &_mesa_texformat_intensity;
- case GL_COMPRESSED_RGB_ARB:
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- return &_mesa_texformat_rgb_fxt1;
- else if (ctx->Extensions.EXT_texture_compression_s3tc ||
- ctx->Extensions.S3_s3tc)
- return &_mesa_texformat_rgb_dxt1;
- else
- return &_mesa_texformat_rgb;
- case GL_COMPRESSED_RGBA_ARB:
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- return &_mesa_texformat_rgba_fxt1;
- else if (ctx->Extensions.EXT_texture_compression_s3tc ||
- ctx->Extensions.S3_s3tc)
- return &_mesa_texformat_rgba_dxt3; /* Not rgba_dxt1, see spec */
- else
- return &_mesa_texformat_rgba;
- default:
- ; /* fallthrough */
- }
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA_ARB:
+ return &_mesa_texformat_alpha;
+ case GL_COMPRESSED_LUMINANCE_ARB:
+ return &_mesa_texformat_luminance;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+ return &_mesa_texformat_luminance_alpha;
+ case GL_COMPRESSED_INTENSITY_ARB:
+ return &_mesa_texformat_intensity;
+ case GL_COMPRESSED_RGB_ARB:
+#if FEATURE_texture_fxt1
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ return &_mesa_texformat_rgb_fxt1;
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc ||
+ ctx->Extensions.S3_s3tc)
+ return &_mesa_texformat_rgb_dxt1;
+#endif
+ return &_mesa_texformat_rgb;
+ case GL_COMPRESSED_RGBA_ARB:
+#if FEATURE_texture_fxt1
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ return &_mesa_texformat_rgba_fxt1;
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc ||
+ ctx->Extensions.S3_s3tc)
+ return &_mesa_texformat_rgba_dxt3; /* Not rgba_dxt1, see spec */
+#endif
+ return &_mesa_texformat_rgba;
+ default:
+ ; /* fallthrough */
}
if (ctx->Extensions.MESA_ycbcr_texture) {
}
}
+#if FEATURE_texture_fxt1
if (ctx->Extensions.TDFX_texture_compression_FXT1) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_FXT1_3DFX:
; /* fallthrough */
}
}
+#endif
+#if FEATURE_texture_s3tc
if (ctx->Extensions.EXT_texture_compression_s3tc) {
switch (internalFormat) {
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
; /* fallthrough */
}
}
+#endif
if (ctx->Extensions.ARB_texture_float) {
switch (internalFormat) {
}
}
+ if (ctx->Extensions.EXT_packed_depth_stencil) {
+ switch (internalFormat) {
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ return &_mesa_texformat_z24_s8;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+#if FEATURE_EXT_texture_sRGB
+ if (ctx->Extensions.EXT_texture_sRGB) {
+ switch (internalFormat) {
+ case GL_SRGB_EXT:
+ case GL_SRGB8_EXT:
+ return &_mesa_texformat_srgb8;
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ return &_mesa_texformat_srgba8;
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ return &_mesa_texformat_sl8;
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ return &_mesa_texformat_sla8;
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ return &_mesa_texformat_sl8;
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ return &_mesa_texformat_sla8;
+ case GL_COMPRESSED_SRGB_EXT:
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgb_dxt1;
+#endif
+ return &_mesa_texformat_srgb8;
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgba_dxt3; /* Not srgba_dxt1, see spec */
+#endif
+ return &_mesa_texformat_srgba8;
+#if FEATURE_texture_s3tc
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgb_dxt1;
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgba_dxt1;
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgba_dxt3;
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return &_mesa_texformat_srgba_dxt5;
+ break;
+#endif
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+
_mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
return NULL;
}
+
+
+
+/**
+ * Return datatype and number of components per texel for the
+ * given gl_texture_format.
+ */
+void
+_mesa_format_to_type_and_comps(const struct gl_texture_format *format,
+ GLenum *datatype, GLuint *comps)
+{
+ switch (format->MesaFormat) {
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_RGBA8888_REV:
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_ARGB8888_REV:
+ *datatype = CHAN_TYPE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB888:
+ case MESA_FORMAT_BGR888:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_RGB565_REV:
+ *datatype = GL_UNSIGNED_SHORT_5_6_5;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_ARGB4444:
+ case MESA_FORMAT_ARGB4444_REV:
+ *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_ARGB1555_REV:
+ *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_AL88:
+ case MESA_FORMAT_AL88_REV:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_RGB332:
+ *datatype = GL_UNSIGNED_BYTE_3_3_2;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ case MESA_FORMAT_CI8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_YCBCR:
+ case MESA_FORMAT_YCBCR_REV:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_Z24_S8:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_S8_Z24:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_Z16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_SRGBA8:
+ case MESA_FORMAT_SARGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_SL8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SLA8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+#endif
+
+#if FEATURE_texture_fxt1
+ case MESA_FORMAT_RGB_FXT1:
+ case MESA_FORMAT_RGBA_FXT1:
+#endif
+#if FEATURE_texture_s3tc
+ case MESA_FORMAT_RGB_DXT1:
+ case MESA_FORMAT_RGBA_DXT1:
+ case MESA_FORMAT_RGBA_DXT3:
+ case MESA_FORMAT_RGBA_DXT5:
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+#endif
+ /* XXX generate error instead? */
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 0;
+ return;
+#endif
+
+ case MESA_FORMAT_RGBA:
+ *datatype = CHAN_TYPE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB:
+ *datatype = CHAN_TYPE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA:
+ *datatype = CHAN_TYPE;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_ALPHA:
+ case MESA_FORMAT_LUMINANCE:
+ case MESA_FORMAT_INTENSITY:
+ *datatype = CHAN_TYPE;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_RGBA_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT32:
+ case MESA_FORMAT_LUMINANCE_FLOAT32:
+ case MESA_FORMAT_INTENSITY_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT16:
+ case MESA_FORMAT_LUMINANCE_FLOAT16:
+ case MESA_FORMAT_INTENSITY_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 1;
+ return;
+
+ default:
+ _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
+ *datatype = 0;
+ *comps = 1;
+ }
+}
projects / mesa.git / blobdiff