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-rw-r--r--src/mesa/main/context.c5
-rw-r--r--src/mesa/main/get.c24
-rw-r--r--src/mesa/main/get_gen.py2
-rw-r--r--src/mesa/main/getstring.c81
-rw-r--r--src/mesa/main/mtypes.h4
-rw-r--r--src/mesa/main/version.c130
-rw-r--r--src/mesa/main/version.h7
7 files changed, 173 insertions, 80 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 5c20ce017f..320c59068c 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1015,6 +1015,9 @@ _mesa_free_context_data( GLcontext *ctx )
if (ctx->Extensions.String)
_mesa_free((void *) ctx->Extensions.String);
+ if (ctx->VersionString)
+ _mesa_free(ctx->VersionString);
+
/* unbind the context if it's currently bound */
if (ctx == _mesa_get_current_context()) {
_mesa_make_current(NULL, NULL, NULL);
@@ -1374,6 +1377,8 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
}
if (newCtx->FirstTimeCurrent) {
+ _mesa_compute_version(newCtx);
+
check_context_limits(newCtx);
/* We can use this to help debug user's problems. Tell them to set
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 618b5411cc..22cf75f79d 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1902,6 +1902,12 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
case GL_NUM_EXTENSIONS:
params[0] = INT_TO_BOOLEAN(_mesa_get_extension_count(ctx));
break;
+ case GL_MAJOR_VERSION:
+ params[0] = INT_TO_BOOLEAN(ctx->VersionMajor);
+ break;
+ case GL_MINOR_VERSION:
+ params[0] = INT_TO_BOOLEAN(ctx->VersionMinor);
+ break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv(pname=0x%x)", pname);
}
@@ -3740,6 +3746,12 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
case GL_NUM_EXTENSIONS:
params[0] = (GLfloat)(_mesa_get_extension_count(ctx));
break;
+ case GL_MAJOR_VERSION:
+ params[0] = (GLfloat)(ctx->VersionMajor);
+ break;
+ case GL_MINOR_VERSION:
+ params[0] = (GLfloat)(ctx->VersionMinor);
+ break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv(pname=0x%x)", pname);
}
@@ -5578,6 +5590,12 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
case GL_NUM_EXTENSIONS:
params[0] = _mesa_get_extension_count(ctx);
break;
+ case GL_MAJOR_VERSION:
+ params[0] = ctx->VersionMajor;
+ break;
+ case GL_MINOR_VERSION:
+ params[0] = ctx->VersionMinor;
+ break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv(pname=0x%x)", pname);
}
@@ -7417,6 +7435,12 @@ _mesa_GetInteger64v( GLenum pname, GLint64 *params )
case GL_NUM_EXTENSIONS:
params[0] = (GLint64)(_mesa_get_extension_count(ctx));
break;
+ case GL_MAJOR_VERSION:
+ params[0] = (GLint64)(ctx->VersionMajor);
+ break;
+ case GL_MINOR_VERSION:
+ params[0] = (GLint64)(ctx->VersionMinor);
+ break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetInteger64v(pname=0x%x)", pname);
}
diff --git a/src/mesa/main/get_gen.py b/src/mesa/main/get_gen.py
index 7540661187..b0beb59207 100644
--- a/src/mesa/main/get_gen.py
+++ b/src/mesa/main/get_gen.py
@@ -1033,6 +1033,8 @@ StateVars = [
# GL3
( "GL_NUM_EXTENSIONS", GLint, ["_mesa_get_extension_count(ctx)"], "", None ),
+ ( "GL_MAJOR_VERSION", GLint, ["ctx->VersionMajor"], "", None ),
+ ( "GL_MINOR_VERSION", GLint, ["ctx->VersionMinor"], "", None )
]
diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
index cac5eef1cb..e76a790d0a 100644
--- a/src/mesa/main/getstring.c
+++ b/src/mesa/main/getstring.c
@@ -33,85 +33,6 @@
/**
- * Examine enabled GL extensions to determine GL version.
- * \return version string
- */
-static const char *
-compute_version(const GLcontext *ctx)
-{
- static const char *version_1_2 = "1.2 Mesa " MESA_VERSION_STRING;
- static const char *version_1_3 = "1.3 Mesa " MESA_VERSION_STRING;
- static const char *version_1_4 = "1.4 Mesa " MESA_VERSION_STRING;
- static const char *version_1_5 = "1.5 Mesa " MESA_VERSION_STRING;
- static const char *version_2_0 = "2.0 Mesa " MESA_VERSION_STRING;
- static const char *version_2_1 = "2.1 Mesa " MESA_VERSION_STRING;
-
- const GLboolean ver_1_3 = (ctx->Extensions.ARB_multisample &&
- ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_border_clamp &&
- ctx->Extensions.ARB_texture_compression &&
- ctx->Extensions.ARB_texture_cube_map &&
- ctx->Extensions.EXT_texture_env_add &&
- ctx->Extensions.ARB_texture_env_combine &&
- ctx->Extensions.ARB_texture_env_dot3);
- const GLboolean ver_1_4 = (ver_1_3 &&
- ctx->Extensions.ARB_depth_texture &&
- ctx->Extensions.ARB_shadow &&
- ctx->Extensions.ARB_texture_env_crossbar &&
- ctx->Extensions.ARB_texture_mirrored_repeat &&
- ctx->Extensions.ARB_window_pos &&
- ctx->Extensions.EXT_blend_color &&
- ctx->Extensions.EXT_blend_func_separate &&
- ctx->Extensions.EXT_blend_minmax &&
- ctx->Extensions.EXT_blend_subtract &&
- ctx->Extensions.EXT_fog_coord &&
- ctx->Extensions.EXT_multi_draw_arrays &&
- ctx->Extensions.EXT_point_parameters &&
- ctx->Extensions.EXT_secondary_color &&
- ctx->Extensions.EXT_stencil_wrap &&
- ctx->Extensions.EXT_texture_lod_bias &&
- ctx->Extensions.SGIS_generate_mipmap);
- const GLboolean ver_1_5 = (ver_1_4 &&
- ctx->Extensions.ARB_occlusion_query &&
- ctx->Extensions.ARB_vertex_buffer_object &&
- ctx->Extensions.EXT_shadow_funcs);
- const GLboolean ver_2_0 = (ver_1_5 &&
- ctx->Extensions.ARB_draw_buffers &&
- ctx->Extensions.ARB_point_sprite &&
- ctx->Extensions.ARB_shader_objects &&
- ctx->Extensions.ARB_vertex_shader &&
- ctx->Extensions.ARB_fragment_shader &&
- ctx->Extensions.ARB_texture_non_power_of_two &&
- ctx->Extensions.EXT_blend_equation_separate &&
-
- /* Technically, 2.0 requires the functionality
- * of the EXT version. Enable 2.0 if either
- * extension is available, and assume that a
- * driver that only exposes the ATI extension
- * will fallback to software when necessary.
- */
- (ctx->Extensions.EXT_stencil_two_side
- || ctx->Extensions.ATI_separate_stencil));
- const GLboolean ver_2_1 = (ver_2_0 &&
- ctx->Extensions.ARB_shading_language_120 &&
- ctx->Extensions.EXT_pixel_buffer_object &&
- ctx->Extensions.EXT_texture_sRGB);
- if (ver_2_1)
- return version_2_1;
- if (ver_2_0)
- return version_2_0;
- if (ver_1_5)
- return version_1_5;
- if (ver_1_4)
- return version_1_4;
- if (ver_1_3)
- return version_1_3;
- return version_1_2;
-}
-
-
-
-/**
* Query string-valued state. The return value should _not_ be freed by
* the caller.
*
@@ -149,7 +70,7 @@ _mesa_GetString( GLenum name )
case GL_RENDERER:
return (const GLubyte *) renderer;
case GL_VERSION:
- return (const GLubyte *) compute_version(ctx);
+ return (const GLubyte *) ctx->VersionString;
case GL_EXTENSIONS:
if (!ctx->Extensions.String)
ctx->Extensions.String = _mesa_make_extension_string(ctx);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 01ad246504..5227565f87 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2864,6 +2864,10 @@ struct __GLcontextRec
/** Extension information */
struct gl_extensions Extensions;
+ /** Version info */
+ GLuint VersionMajor, VersionMinor;
+ char *VersionString;
+
/** \name State attribute stack (for glPush/PopAttrib) */
/*@{*/
GLuint AttribStackDepth;
diff --git a/src/mesa/main/version.c b/src/mesa/main/version.c
new file mode 100644
index 0000000000..9d23c577bd
--- /dev/null
+++ b/src/mesa/main/version.c
@@ -0,0 +1,130 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2010 VMware, Inc. 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "context.h"
+#include "version.h"
+
+
+
+/**
+ * Examine enabled GL extensions to determine GL version.
+ * Return major and minor version numbers.
+ */
+static void
+compute_version(const GLcontext *ctx, GLuint *major, GLuint *minor)
+{
+ const GLboolean ver_1_3 = (ctx->Extensions.ARB_multisample &&
+ ctx->Extensions.ARB_multitexture &&
+ ctx->Extensions.ARB_texture_border_clamp &&
+ ctx->Extensions.ARB_texture_compression &&
+ ctx->Extensions.ARB_texture_cube_map &&
+ ctx->Extensions.EXT_texture_env_add &&
+ ctx->Extensions.ARB_texture_env_combine &&
+ ctx->Extensions.ARB_texture_env_dot3);
+ const GLboolean ver_1_4 = (ver_1_3 &&
+ ctx->Extensions.ARB_depth_texture &&
+ ctx->Extensions.ARB_shadow &&
+ ctx->Extensions.ARB_texture_env_crossbar &&
+ ctx->Extensions.ARB_texture_mirrored_repeat &&
+ ctx->Extensions.ARB_window_pos &&
+ ctx->Extensions.EXT_blend_color &&
+ ctx->Extensions.EXT_blend_func_separate &&
+ ctx->Extensions.EXT_blend_minmax &&
+ ctx->Extensions.EXT_blend_subtract &&
+ ctx->Extensions.EXT_fog_coord &&
+ ctx->Extensions.EXT_multi_draw_arrays &&
+ ctx->Extensions.EXT_point_parameters &&
+ ctx->Extensions.EXT_secondary_color &&
+ ctx->Extensions.EXT_stencil_wrap &&
+ ctx->Extensions.EXT_texture_lod_bias &&
+ ctx->Extensions.SGIS_generate_mipmap);
+ const GLboolean ver_1_5 = (ver_1_4 &&
+ ctx->Extensions.ARB_occlusion_query &&
+ ctx->Extensions.ARB_vertex_buffer_object &&
+ ctx->Extensions.EXT_shadow_funcs);
+ const GLboolean ver_2_0 = (ver_1_5 &&
+ ctx->Extensions.ARB_draw_buffers &&
+ ctx->Extensions.ARB_point_sprite &&
+ ctx->Extensions.ARB_shader_objects &&
+ ctx->Extensions.ARB_vertex_shader &&
+ ctx->Extensions.ARB_fragment_shader &&
+ ctx->Extensions.ARB_texture_non_power_of_two &&
+ ctx->Extensions.EXT_blend_equation_separate &&
+
+ /* Technically, 2.0 requires the functionality
+ * of the EXT version. Enable 2.0 if either
+ * extension is available, and assume that a
+ * driver that only exposes the ATI extension
+ * will fallback to software when necessary.
+ */
+ (ctx->Extensions.EXT_stencil_two_side
+ || ctx->Extensions.ATI_separate_stencil));
+ const GLboolean ver_2_1 = (ver_2_0 &&
+ ctx->Extensions.ARB_shading_language_120 &&
+ ctx->Extensions.EXT_pixel_buffer_object &&
+ ctx->Extensions.EXT_texture_sRGB);
+ if (ver_2_1) {
+ *major = 2;
+ *minor = 1;
+ }
+ else if (ver_2_0) {
+ *major = 2;
+ *minor = 0;
+ }
+ else if (ver_1_5) {
+ *major = 1;
+ *minor = 5;
+ }
+ else if (ver_1_4) {
+ *major = 1;
+ *minor = 4;
+ }
+ else if (ver_1_3) {
+ *major = 1;
+ *minor = 3;
+ }
+ else {
+ *major = 1;
+ *minor = 2;
+ }
+}
+
+
+/**
+ * Set the context's VersionMajor, VersionMinor, VersionString fields.
+ * This should only be called once as part of context initialization.
+ */
+void
+_mesa_compute_version(GLcontext *ctx)
+{
+ static const int max = 100;
+
+ compute_version(ctx, &ctx->VersionMajor, &ctx->VersionMinor);
+
+ ctx->VersionString = (char *) _mesa_malloc(max);
+ if (ctx->VersionString) {
+ _mesa_snprintf(ctx->VersionString, max, "%u.%u Mesa " MESA_VERSION_STRING,
+ ctx->VersionMajor, ctx->VersionMinor);
+ }
+}
diff --git a/src/mesa/main/version.h b/src/mesa/main/version.h
index dc55cb7ccc..d521569f8d 100644
--- a/src/mesa/main/version.h
+++ b/src/mesa/main/version.h
@@ -28,6 +28,9 @@
#define VERSION_H
+#include "mtypes.h"
+
+
/* Mesa version */
#define MESA_MAJOR 7
#define MESA_MINOR 8
@@ -50,4 +53,8 @@
#define OPENGL_VERSION_CODE OPENGL_VERSION(OPENGL_MAJOR, OPENGL_MINOR, OPENGL_PATCH)
+extern void
+_mesa_compute_version(GLcontext *ctx);
+
+
#endif /* VERSION_H */
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-03 12:49:50 +0000