diff options
| author | Eric Anholt <eric@anholt.net> | 2009-02-17 10:53:37 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-02-17 11:30:48 -0800 |
| commit | fd51cf1531f1630ee1cb154b3b7fefad9ed820f1 (patch) | |
| tree | 049b911d344b4ded9f6a384b68643f3bb6824916 /src/mesa/drivers/dri/intel | |
| parent | c06f4e2a371a917cfcce47e7ee4aa8f1f6528e3b (diff) | |
intel: Fix tri clear to do FBO color attachments as well.
This is a 2% win in fbo_firecube, and would avoid a sw fallback for
masked clears.
Diffstat (limited to 'src/mesa/drivers/dri/intel')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_clear.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c index b229136316..7c297ec936 100644 --- a/src/mesa/drivers/dri/intel/intel_clear.c +++ b/src/mesa/drivers/dri/intel/intel_clear.c @@ -54,6 +54,17 @@ #define FILE_DEBUG_FLAG DEBUG_BLIT +#define TRI_CLEAR_COLOR_BITS (BUFFER_BIT_BACK_LEFT | \ + BUFFER_BIT_FRONT_LEFT | \ + BUFFER_BIT_COLOR0 | \ + BUFFER_BIT_COLOR1 | \ + BUFFER_BIT_COLOR2 | \ + BUFFER_BIT_COLOR3 | \ + BUFFER_BIT_COLOR4 | \ + BUFFER_BIT_COLOR5 | \ + BUFFER_BIT_COLOR6 | \ + BUFFER_BIT_COLOR7) + /** * Perform glClear where mask contains only color, depth, and/or stencil. * @@ -75,8 +86,8 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask) GLboolean saved_shader_program = 0; unsigned int saved_active_texture; - assert((mask & ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_FRONT_LEFT | - BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) == 0); + assert((mask & ~(TRI_CLEAR_COLOR_BITS | BUFFER_BIT_DEPTH | + BUFFER_BIT_STENCIL)) == 0); _mesa_PushAttrib(GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT | @@ -170,11 +181,11 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask) while (mask != 0) { GLuint this_mask = 0; + GLuint color_bit; - if (mask & BUFFER_BIT_BACK_LEFT) - this_mask = BUFFER_BIT_BACK_LEFT; - else if (mask & BUFFER_BIT_FRONT_LEFT) - this_mask = BUFFER_BIT_FRONT_LEFT; + color_bit = _mesa_ffs(mask & TRI_CLEAR_COLOR_BITS); + if (color_bit != 0) + this_mask |= (1 << (color_bit - 1)); /* Clear depth/stencil in the same pass as color. */ this_mask |= (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)); @@ -186,6 +197,9 @@ intel_clear_tris(GLcontext *ctx, GLbitfield mask) _mesa_DrawBuffer(GL_FRONT_LEFT); else if (this_mask & BUFFER_BIT_BACK_LEFT) _mesa_DrawBuffer(GL_BACK_LEFT); + else if (color_bit != 0) + _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0 + + (color_bit - BUFFER_COLOR0 - 1)); else _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); @@ -313,8 +327,11 @@ intelClear(GLcontext *ctx, GLbitfield mask) * buffer with it. */ if (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) { - tri_mask |= blit_mask & BUFFER_BIT_BACK_LEFT; - blit_mask &= ~BUFFER_BIT_BACK_LEFT; + int color_bit = _mesa_ffs(mask & TRI_CLEAR_COLOR_BITS); + if (color_bit != 0) { + tri_mask |= blit_mask & (1 << (color_bit - 1)); + blit_mask &= ~(1 << (color_bit - 1)); + } } /* SW fallback clearing */ |