diff options
Diffstat (limited to 'src/mesa/main/context.c')
-rw-r--r-- | src/mesa/main/context.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index bf53bd34678..415e339cb80 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -592,6 +592,9 @@ _mesa_init_constants(GLcontext *ctx) /* GL_ATI_envmap_bumpmap */ ctx->Const.SupportedBumpUnits = SUPPORTED_ATI_BUMP_UNITS; + /* GL_EXT_provoking_vertex */ + ctx->Const.QuadsFollowProvokingVertexConvention = GL_TRUE; + /* sanity checks */ ASSERT(ctx->Const.MaxTextureUnits == MIN2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits)); @@ -1008,6 +1011,7 @@ _mesa_free_context_data( GLcontext *ctx ) #if FEATURE_ARB_occlusion_query _mesa_free_query_data(ctx); #endif + _mesa_free_varray_data(ctx); _mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj); @@ -1256,6 +1260,24 @@ initialize_framebuffer_size(GLcontext *ctx, GLframebuffer *fb) /** + * Check if the viewport/scissor size has not yet been initialized. + * Initialize the size if the given width and height are non-zero. + */ +void +_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height) +{ + if (!ctx->ViewportInitialized && width > 0 && height > 0) { + /* Note: set flag here, before calling _mesa_set_viewport(), to prevent + * potential infinite recursion. + */ + ctx->ViewportInitialized = GL_TRUE; + _mesa_set_viewport(ctx, 0, 0, width, height); + _mesa_set_scissor(ctx, 0, 0, width, height); + } +} + + +/** * Bind the given context to the given drawBuffer and readBuffer and * make it the current context for the calling thread. * We'll render into the drawBuffer and read pixels from the @@ -1372,25 +1394,24 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer, ASSERT(drawBuffer->Height > 0); #endif - if (newCtx->FirstTimeCurrent) { - /* set initial viewport and scissor size now */ - _mesa_set_viewport(newCtx, 0, 0, - drawBuffer->Width, drawBuffer->Height); - _mesa_set_scissor(newCtx, 0, 0, - drawBuffer->Width, drawBuffer->Height ); - check_context_limits(newCtx); + if (drawBuffer) { + _mesa_check_init_viewport(newCtx, + drawBuffer->Width, drawBuffer->Height); } } - /* We can use this to help debug user's problems. Tell them to set - * the MESA_INFO env variable before running their app. Then the - * first time each context is made current we'll print some useful - * information. - */ if (newCtx->FirstTimeCurrent) { + check_context_limits(newCtx); + + /* We can use this to help debug user's problems. Tell them to set + * the MESA_INFO env variable before running their app. Then the + * first time each context is made current we'll print some useful + * information. + */ if (_mesa_getenv("MESA_INFO")) { _mesa_print_info(); } + newCtx->FirstTimeCurrent = GL_FALSE; } } |