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-rw-r--r--src/mesa/main/config.h3
-rw-r--r--src/mesa/main/extensions.c23
-rw-r--r--src/mesa/main/extensions.h6
-rw-r--r--src/mesa/main/mtypes.h3
-rw-r--r--src/mesa/main/texformat.c168
-rw-r--r--src/mesa/main/texformat.h22
-rw-r--r--src/mesa/main/texformat_tmp.h97
-rw-r--r--src/mesa/main/texstore.c35
-rw-r--r--src/mesa/main/texstore.h6
9 files changed, 359 insertions, 4 deletions
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 95555cb7d4..6d4c41398c 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -5,7 +5,7 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@@ -308,6 +308,7 @@
#define FEATURE_ATI_fragment_shader _HAVE_FULL_GL
#define FEATURE_EXT_framebuffer_object _HAVE_FULL_GL
#define FEATURE_EXT_framebuffer_blit _HAVE_FULL_GL
+#define FEATURE_EXT_texture_sRGB _HAVE_FULL_GL
/*@}*/
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 3c85022d32..151753943a 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@@ -122,6 +122,7 @@ static const struct {
{ OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) },
{ ON, "GL_EXT_texture_object", F(EXT_texture_object) },
{ OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB) },
{ OFF, "GL_EXT_timer_query", F(EXT_timer_query) },
{ ON, "GL_EXT_vertex_array", F(EXT_vertex_array) },
{ OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
@@ -253,6 +254,9 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;
ctx->Extensions.MESA_pack_invert = GL_TRUE;
#if FEATURE_MESA_program_debug
@@ -387,6 +391,23 @@ _mesa_enable_2_0_extensions(GLcontext *ctx)
}
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(GLcontext *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+ /* plus: shading language extensions, non-square uniform matrices */
+}
+
+
/**
* Either enable or disable the named extension.
diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h
index 9d843a8b6b..05ad859a27 100644
--- a/src/mesa/main/extensions.h
+++ b/src/mesa/main/extensions.h
@@ -10,9 +10,9 @@
/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -52,6 +52,8 @@ extern void _mesa_enable_1_5_extensions(GLcontext *ctx);
extern void _mesa_enable_2_0_extensions(GLcontext *ctx);
+extern void _mesa_enable_2_1_extensions(GLcontext *ctx);
+
extern void _mesa_enable_extension(GLcontext *ctx, const char *name);
extern void _mesa_disable_extension(GLcontext *ctx, const char *name);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 5e872d9dc3..5424afc9f6 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2112,7 +2112,9 @@ struct gl_shared_state
struct _mesa_HashTable *BufferObjects;
#endif
+#if FEATURE_ARB_shader_objects
struct _mesa_HashTable *GL2Objects;
+#endif
#if FEATURE_EXT_framebuffer_object
struct _mesa_HashTable *RenderBuffers;
@@ -2473,6 +2475,7 @@ struct gl_extensions
GLboolean EXT_texture_filter_anisotropic;
GLboolean EXT_texture_lod_bias;
GLboolean EXT_texture_mirror_clamp;
+ GLboolean EXT_texture_sRGB;
GLboolean EXT_timer_query;
GLboolean EXT_vertex_array;
GLboolean EXT_vertex_array_set;
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 792bfbc1e4..acc268e622 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -37,6 +37,38 @@
#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 / 12.92;
+ }
+ else {
+ table[i] = _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
*/
@@ -251,6 +283,106 @@ const struct gl_texture_format _mesa_texformat_intensity = {
};
+#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 */
+ 8, /* RedBits */
+ 8, /* GreenBits */
+ 8, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 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_sl8 = {
+ MESA_FORMAT_SL8, /* MesaFormat */
+ GL_LUMINANCE, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 8, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 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 */
+ 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 */
@@ -1398,6 +1530,42 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
}
}
+#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;
+ /* NOTE: not supporting any compression of sRGB at this time */
+ case GL_COMPRESSED_SRGB_EXT:
+ return &_mesa_texformat_srgb8;
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+ return &_mesa_texformat_srgba8;
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ return &_mesa_texformat_sl8;
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ return &_mesa_texformat_sla8;
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ return &_mesa_texformat_srgb8;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return &_mesa_texformat_srgba8;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+
_mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
return NULL;
}
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index b7e5fc27dc..2aae5c1721 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -88,6 +88,18 @@ enum _format {
MESA_FORMAT_Z32, /*ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
/*@}*/
+#if FEATURE_EXT_texture_sRGB
+ /**
+ * \name 8-bit/channel sRGB formats
+ */
+ /*@{*/
+ MESA_FORMAT_SRGB8,
+ MESA_FORMAT_SRGBA8,
+ MESA_FORMAT_SL8,
+ MESA_FORMAT_SLA8,
+ /*@}*/
+#endif
+
/**
* \name Compressed texture formats.
*/
@@ -149,6 +161,16 @@ extern const struct gl_texture_format _mesa_texformat_luminance_alpha;
extern const struct gl_texture_format _mesa_texformat_intensity;
/*@}*/
+#if FEATURE_EXT_texture_sRGB
+/** sRGB (nonlinear) formats */
+/*@{*/
+extern const struct gl_texture_format _mesa_texformat_srgb8;
+extern const struct gl_texture_format _mesa_texformat_srgba8;
+extern const struct gl_texture_format _mesa_texformat_s8;
+extern const struct gl_texture_format _mesa_texformat_sla8;
+/*@}*/
+#endif
+
/** Floating point texture formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba_float32;
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index 186fe23514..0d3519188e 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1174,6 +1174,103 @@ static void store_texel_ci8(struct gl_texture_image *texImage,
#endif
+#if FEATURE_EXT_texture_sRGB
+
+/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */
+static void FETCH(srgb8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+ texel[RCOMP] = nonlinear_to_linear(src[0]);
+ texel[GCOMP] = nonlinear_to_linear(src[1]);
+ texel[BCOMP] = nonlinear_to_linear(src[2]);
+ texel[ACOMP] = CHAN_MAX;
+}
+
+#if DIM == 3
+static void store_texel_srgb8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+ dst[0] = rgba[RCOMP]; /* no conversion */
+ dst[1] = rgba[GCOMP];
+ dst[2] = rgba[BCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */
+static void FETCH(srgba8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+ texel[RCOMP] = nonlinear_to_linear(src[0]);
+ texel[GCOMP] = nonlinear_to_linear(src[1]);
+ texel[BCOMP] = nonlinear_to_linear(src[2]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(src[3]); /* linear! */
+}
+
+#if DIM == 3
+static void store_texel_srgba8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[GCOMP];
+ dst[2] = rgba[BCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */
+static void FETCH(sl8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = nonlinear_to_linear(src[0]);
+ texel[ACOMP] = CHAN_MAX;
+}
+
+#if DIM == 3
+static void store_texel_sl8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+ dst[0] = rgba[RCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */
+static void FETCH(sla8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = nonlinear_to_linear(src[0]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */
+}
+
+#if DIM == 3
+static void store_texel_sla8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[ACOMP];
+}
+#endif
+
+
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
+
+
/* MESA_FORMAT_YCBCR *********************************************************/
/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLchans */
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 3280051abf..9eb9856b0c 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2164,6 +2164,41 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
}
+#if FEATURE_EXT_texture_sRGB
+GLboolean
+_mesa_texstore_srgb8(TEXSTORE_PARAMS)
+{
+ /* XXX to do */
+ _mesa_problem(ctx, "_mesa_texstore_srgb8 not finished");
+ return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_srgba8(TEXSTORE_PARAMS)
+{
+ /* XXX to do */
+ _mesa_problem(ctx, "_mesa_texstore_srgb8 not finished");
+ return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_sl8(TEXSTORE_PARAMS)
+{
+ /* XXX to do */
+ _mesa_problem(ctx, "_mesa_texstore_srgb8 not finished");
+ return GL_FALSE;
+}
+
+GLboolean
+_mesa_texstore_sla8(TEXSTORE_PARAMS)
+{
+ /* XXX to do */
+ _mesa_problem(ctx, "_mesa_texstore_srgb8 not finished");
+ return GL_FALSE;
+}
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
/**
* Check if an unpack PBO is active prior to fetching a texture image.
diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h
index 3f5b7b0145..7dc82a51c8 100644
--- a/src/mesa/main/texstore.h
+++ b/src/mesa/main/texstore.h
@@ -67,6 +67,12 @@ extern GLboolean _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);
+#if FEATURE_EXT_texture_sRGB
+extern GLboolean _mesa_texstore_srgb8(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_srgba8(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_sl8(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_sla8(TEXSTORE_PARAMS);
+#endif
extern GLchan *
generated by cgit v1.2.3 (git 2.51.0) at 2025-11-04 02:06:20 +0000