diff options
Diffstat (limited to 'src/mesa/state_tracker/st_extensions.c')
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 6c0df8d2a98..287894317df 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -445,6 +445,18 @@ void st_init_limits(struct pipe_screen *screen, extensions->ARB_shader_image_load_store = GL_TRUE; extensions->ARB_shader_image_size = GL_TRUE; } + + /* ARB_framebuffer_no_attachments */ + c->MaxFramebufferWidth = c->MaxViewportWidth; + c->MaxFramebufferHeight = c->MaxViewportHeight; + /* NOTE: we cheat here a little by assuming that + * PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS has the same + * number of layers as we need, although we technically + * could have more the generality is not really useful + * in practicality. + */ + c->MaxFramebufferLayers = + screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS); } @@ -956,6 +968,9 @@ void st_init_extensions(struct pipe_screen *screen, enum pipe_format int_formats[] = { PIPE_FORMAT_R8G8B8A8_SINT }; + enum pipe_format void_formats[] = { + PIPE_FORMAT_NONE + }; consts->MaxSamples = get_max_samples_for_formats(screen, ARRAY_SIZE(color_formats), @@ -976,6 +991,12 @@ void st_init_extensions(struct pipe_screen *screen, get_max_samples_for_formats(screen, ARRAY_SIZE(int_formats), int_formats, consts->MaxSamples, PIPE_BIND_SAMPLER_VIEW); + + /* ARB_framebuffer_no_attachments, assume max no. of samples 32 */ + consts->MaxFramebufferSamples = + get_max_samples_for_formats(screen, ARRAY_SIZE(void_formats), + void_formats, 32, + PIPE_BIND_RENDER_TARGET); } if (consts->MaxSamples == 1) { /* one sample doesn't really make sense */ @@ -1068,6 +1089,13 @@ void st_init_extensions(struct pipe_screen *screen, extensions->AMD_vertex_shader_viewport_index = GL_TRUE; } + /* ARB_framebuffer_no_attachments */ + if (screen->get_param(screen, PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT) && + ((consts->MaxSamples >= 4 && consts->MaxFramebufferLayers >= 2048) || + (consts->MaxFramebufferSamples >= consts->MaxSamples && + consts->MaxFramebufferLayers >= consts->MaxArrayTextureLayers))) + extensions->ARB_framebuffer_no_attachments = GL_TRUE; + /* GL_ARB_ES3_compatibility. * * Assume that ES3 is supported if GLSL 3.30 is supported. |