diff options
-rw-r--r-- | src/mesa/main/context.c | 5 | ||||
-rw-r--r-- | src/mesa/state_tracker/st_context.c | 82 |
2 files changed, 53 insertions, 34 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 8208a50b3e6..4c2c32e7b7a 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1507,7 +1507,10 @@ handle_first_current(struct gl_context *ctx) GLenum buffer; GLint bufferIndex; - assert(ctx->Version > 0); + if (ctx->Version == 0) { + /* probably in the process of tearing down the context */ + return; + } ctx->Extensions.String = _mesa_make_extension_string(ctx); diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c index 09b61546582..768a667901e 100644 --- a/src/mesa/state_tracker/st_context.c +++ b/src/mesa/state_tracker/st_context.c @@ -104,6 +104,42 @@ void st_invalidate_state(struct gl_context * ctx, GLuint new_state) _vbo_InvalidateState(ctx, new_state); } + +static void +st_destroy_context_priv(struct st_context *st) +{ + uint shader, i; + + st_destroy_atoms( st ); + st_destroy_draw( st ); + st_destroy_clear(st); + st_destroy_bitmap(st); + st_destroy_drawpix(st); + st_destroy_drawtex(st); + + for (shader = 0; shader < Elements(st->state.sampler_views); shader++) { + for (i = 0; i < Elements(st->state.sampler_views[0]); i++) { + pipe_sampler_view_release(st->pipe, + &st->state.sampler_views[shader][i]); + } + } + + if (st->default_texture) { + st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); + st->default_texture = NULL; + } + + u_upload_destroy(st->uploader); + if (st->indexbuf_uploader) { + u_upload_destroy(st->indexbuf_uploader); + } + if (st->constbuf_uploader) { + u_upload_destroy(st->constbuf_uploader); + } + free( st ); +} + + static struct st_context * st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe, const struct st_config_options *options) @@ -238,6 +274,14 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe, _mesa_compute_version(ctx); + if (ctx->Version == 0) { + /* This can happen when a core profile was requested, but the driver + * does not support some features of GL 3.1 or later. + */ + st_destroy_context_priv(st); + return NULL; + } + _mesa_initialize_dispatch_tables(ctx); _mesa_initialize_vbo_vtxfmt(ctx); @@ -259,6 +303,7 @@ struct st_context *st_create_context(gl_api api, struct pipe_context *pipe, struct gl_context *ctx; struct gl_context *shareCtx = share ? share->ctx : NULL; struct dd_function_table funcs; + struct st_context *st; memset(&funcs, 0, sizeof(funcs)); st_init_driver_functions(&funcs); @@ -276,41 +321,12 @@ struct st_context *st_create_context(gl_api api, struct pipe_context *pipe, if (debug_get_option_mesa_mvp_dp4()) ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE; - return st_create_context_priv(ctx, pipe, options); -} - - -static void st_destroy_context_priv( struct st_context *st ) -{ - uint shader, i; - - st_destroy_atoms( st ); - st_destroy_draw( st ); - st_destroy_clear(st); - st_destroy_bitmap(st); - st_destroy_drawpix(st); - st_destroy_drawtex(st); - - for (shader = 0; shader < Elements(st->state.sampler_views); shader++) { - for (i = 0; i < Elements(st->state.sampler_views[0]); i++) { - pipe_sampler_view_release(st->pipe, - &st->state.sampler_views[shader][i]); - } + st = st_create_context_priv(ctx, pipe, options); + if (!st) { + _mesa_destroy_context(ctx); } - if (st->default_texture) { - st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); - st->default_texture = NULL; - } - - u_upload_destroy(st->uploader); - if (st->indexbuf_uploader) { - u_upload_destroy(st->indexbuf_uploader); - } - if (st->constbuf_uploader) { - u_upload_destroy(st->constbuf_uploader); - } - free( st ); + return st; } |