diff options
| -rw-r--r-- | src/mesa/main/context.c | 2 | ||||
| -rw-r--r-- | src/mesa/main/extensions.c | 51 | ||||
| -rw-r--r-- | src/mesa/main/extensions.h | 6 |
3 files changed, 59 insertions, 0 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index f350788500c..244e63edec6 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -396,6 +396,8 @@ one_time_init( struct gl_context *ctx ) assert( sizeof(GLint) == 4 ); assert( sizeof(GLuint) == 4 ); + _mesa_one_time_init_extension_overrides(); + _mesa_get_cpu_features(); for (i = 0; i < 256; i++) { diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index 5de6625b88f..4659bac686a 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -37,6 +37,9 @@ #include "macros.h" #include "mtypes.h" +struct gl_extensions _mesa_extension_override_enables; +struct gl_extensions _mesa_extension_override_disables; + enum { DISABLE = 0, GLL = 1 << API_OPENGL_COMPAT, /* GL Legacy / Compatibility */ @@ -588,6 +591,54 @@ get_extension_override( struct gl_context *ctx ) /** + * \brief Initialize extension override tables. + * + * This should be called one time early during first context initialization. + */ +void +_mesa_one_time_init_extension_overrides(void) +{ + const char *env_const = _mesa_getenv("MESA_EXTENSION_OVERRIDE"); + char *env; + char *ext; + size_t offset; + + memset(&_mesa_extension_override_enables, 0, sizeof(struct gl_extensions)); + memset(&_mesa_extension_override_disables, 0, sizeof(struct gl_extensions)); + + if (env_const == NULL) { + return; + } + + /* Copy env_const because strtok() is destructive. */ + env = strdup(env_const); + for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) { + int enable; + switch (ext[0]) { + case '+': + enable = 1; + ++ext; + break; + case '-': + enable = 0; + ++ext; + break; + default: + enable = 1; + break; + } + + offset = set_extension(&_mesa_extension_override_enables, ext, enable); + if (offset != 0 && (offset != o(dummy_true) || enable != GL_FALSE)) { + ((GLboolean *) &_mesa_extension_override_disables)[offset] = !enable; + } + } + + free(env); +} + + +/** * \brief Initialize extension tables and enable default extensions. * * This should be called during context initialization. diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h index a8cc2a41e75..3a404d2e0b3 100644 --- a/src/mesa/main/extensions.h +++ b/src/mesa/main/extensions.h @@ -39,9 +39,12 @@ #include "glheader.h" struct gl_context; +struct gl_extensions; extern void _mesa_enable_sw_extensions(struct gl_context *ctx); +extern void _mesa_one_time_init_extension_overrides(void); + extern void _mesa_init_extensions(struct gl_context *ctx); extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx); @@ -52,4 +55,7 @@ _mesa_get_extension_count(struct gl_context *ctx); extern const GLubyte * _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index); +extern struct gl_extensions _mesa_extension_override_enables; +extern struct gl_extensions _mesa_extension_override_disables; + #endif |