diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_program.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 0e55c7ba18e..9d32dd3c3ff 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -310,6 +310,25 @@ brw_memory_barrier(struct gl_context *ctx, GLbitfield barriers) brw_emit_pipe_control_flush(brw, bits); } +static void +brw_blend_barrier(struct gl_context *ctx) +{ + struct brw_context *brw = brw_context(ctx); + + if (!ctx->Extensions.MESA_shader_framebuffer_fetch) { + if (brw->gen >= 6) { + brw_emit_pipe_control_flush(brw, + PIPE_CONTROL_RENDER_TARGET_FLUSH | + PIPE_CONTROL_CS_STALL); + brw_emit_pipe_control_flush(brw, + PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE); + } else { + brw_emit_pipe_control_flush(brw, + PIPE_CONTROL_RENDER_TARGET_FLUSH); + } + } +} + void brw_add_texrect_params(struct gl_program *prog) { @@ -379,6 +398,7 @@ void brwInitFragProgFuncs( struct dd_function_table *functions ) functions->LinkShader = brw_link_shader; functions->MemoryBarrier = brw_memory_barrier; + functions->BlendBarrier = brw_blend_barrier; } struct shader_times { |