}
}
+/**
+ * Override the context's GLSL version if the environment variable
+ * MESA_GLSL_VERSION_OVERRIDE is set. Valid values for
+ * MESA_GLSL_VERSION_OVERRIDE are integers, such as "130".
+ */
+void
+_mesa_override_glsl_version(struct gl_context *ctx)
+{
+ const char *env_var = "MESA_GLSL_VERSION_OVERRIDE";
+ const char *version;
+ int n;
+
+ version = getenv(env_var);
+ if (!version) {
+ return;
+ }
+
+ n = sscanf(version, "%u", &ctx->Const.GLSLVersion);
+ if (n != 1) {
+ fprintf(stderr, "error: invalid value for %s: %s\n", env_var, version);
+ return;
+ }
+}
+
/**
* Examine enabled GL extensions to determine GL version.
* Return major and minor version numbers.
GLuint major, minor;
static const int max = 100;
- const GLboolean ver_1_3 = (ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_border_clamp &&
+ const GLboolean ver_1_3 = (ctx->Extensions.ARB_texture_border_clamp &&
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_point_parameters &&
- ctx->Extensions.EXT_secondary_color &&
- ctx->Extensions.EXT_stencil_wrap &&
- ctx->Extensions.EXT_texture_lod_bias);
+ ctx->Extensions.EXT_secondary_color);
const GLboolean ver_1_5 = (ver_1_4 &&
ctx->Extensions.ARB_occlusion_query &&
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 &&
static const int max = 100;
/* OpenGL ES 1.0 is derived from OpenGL 1.3 */
- const GLboolean ver_1_0 = (ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.EXT_texture_env_add &&
- ctx->Extensions.ARB_texture_env_combine &&
+ const GLboolean ver_1_0 = (ctx->Extensions.ARB_texture_env_combine &&
ctx->Extensions.ARB_texture_env_dot3);
/* OpenGL ES 1.1 is derived from OpenGL 1.5 */
const GLboolean ver_1_1 = (ver_1_0 &&
static const int max = 100;
/* OpenGL ES 2.0 is derived from OpenGL 2.0 */
- const GLboolean ver_2_0 = (ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_cube_map &&
- ctx->Extensions.ARB_texture_mirrored_repeat &&
+ const GLboolean ver_2_0 = (ctx->Extensions.ARB_texture_cube_map &&
ctx->Extensions.EXT_blend_color &&
ctx->Extensions.EXT_blend_func_separate &&
ctx->Extensions.EXT_blend_minmax &&
- ctx->Extensions.EXT_blend_subtract &&
- ctx->Extensions.EXT_stencil_wrap &&
ctx->Extensions.ARB_shader_objects &&
ctx->Extensions.ARB_vertex_shader &&
ctx->Extensions.ARB_fragment_shader &&