diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_clear.cpp | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp index 51f915d2854..0a023e26531 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp @@ -25,6 +25,7 @@ #include "main/blend.h" #include "main/fbobject.h" #include "main/renderbuffer.h" +#include "main/glformats.h" #include "util/ralloc.h" @@ -135,6 +136,29 @@ brw_blorp_const_color_program::~brw_blorp_const_color_program() ralloc_free(mem_ctx); } +static bool +set_write_disables(const struct intel_renderbuffer *irb, + const GLubyte *color_mask, bool *color_write_disable) +{ + /* Format information in the renderbuffer represents the requirements + * given by the client. There are cases where the backing miptree uses, + * for example, RGBA to represent RGBX. Since the client is only expecting + * RGB we can treat alpha as not used and write whatever we like into it. + */ + const GLenum base_format = irb->Base.Base._BaseFormat; + const int components = _mesa_base_format_component_count(base_format); + bool disables = false; + + assert(components > 0); + + for (int i = 0; i < components; i++) { + color_write_disable[i] = !color_mask[i]; + disables = disables || !color_mask[i]; + } + + return disables; +} + brw_blorp_clear_params::brw_blorp_clear_params(struct brw_context *brw, struct gl_framebuffer *fb, struct gl_renderbuffer *rb, @@ -185,13 +209,8 @@ brw_blorp_clear_params::brw_blorp_clear_params(struct brw_context *brw, /* Constant color writes ignore everyting in blend and color calculator * state. This is not documented. */ - for (int i = 0; i < 4; i++) { - if (_mesa_format_has_color_component(irb->mt->format, i) && - !color_mask[i]) { - color_write_disable[i] = true; - wm_prog_key.use_simd16_replicated_data = false; - } - } + if (set_write_disables(irb, color_mask, color_write_disable)) + wm_prog_key.use_simd16_replicated_data = false; if (irb->mt->fast_clear_state != INTEL_FAST_CLEAR_STATE_NO_MCS && !partial_clear && wm_prog_key.use_simd16_replicated_data && |