diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 20 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw.h | 2 |
2 files changed, 14 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 523a9b682cf..a7a3b5eba1c 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -49,7 +49,7 @@ static void clear_with_quad(GLcontext *ctx, GLboolean color, GLboolean depth, - GLboolean stencil, GLboolean accum) + GLboolean stencil) { struct st_context *st = ctx->st; struct pipe_blend_state blend; @@ -119,17 +119,18 @@ static void st_clear(GLcontext *ctx, GLbitfield mask) GLboolean depth = (mask & BUFFER_BIT_DEPTH) ? GL_TRUE : GL_FALSE; GLboolean stencil = (mask & BUFFER_BIT_STENCIL) ? GL_TRUE : GL_FALSE; GLboolean accum = (mask & BUFFER_BIT_ACCUM) ? GL_TRUE : GL_FALSE; + GLboolean maskColor, maskStencil; GLboolean fullscreen = 1; /* :-) */ - GLuint stencilMax = 1 << ctx->DrawBuffer->_StencilBuffer->StencilBits; + GLuint stencilMax = stencil ? (1 << ctx->DrawBuffer->_StencilBuffer->StencilBits) : 0; /* This makes sure the softpipe has the latest scissor, etc values */ st_validate_state( st ); - maskColor = st->state.blend.colormask != PIPE_MASK_RGBA; - maskStencil = ctx->Stencil.WriteMask[0] != stencilMax; + maskColor = color && st->state.blend.colormask != PIPE_MASK_RGBA; + maskStencil = stencil && ctx->Stencil.WriteMask[0] != stencilMax; - if (fullscreen && !maskColor) { + if (fullscreen && !maskColor && !maskStencil) { /* pipe->clear() should clear a particular surface, so that we * can iterate over render buffers at this level and clear the * ones GL is asking for. @@ -139,12 +140,17 @@ static void st_clear(GLcontext *ctx, GLbitfield mask) * buffers, though could perhaps deal with them explicitly at * this level. */ - st->pipe->clear(st->pipe, color, depth, stencil, accum); + st->pipe->clear(st->pipe, color, depth, stencil); + + /* And here we would do a clear on whatever surface we are using + * to implement accum buffers: + */ + assert(!accum); } else { /* Convert to geometry, etc: */ - clear_with_quad(ctx, color, depth, stencil, accum); + clear_with_quad(ctx, color, depth, stencil); } } diff --git a/src/mesa/state_tracker/st_draw.h b/src/mesa/state_tracker/st_draw.h index 7a3ba521300..0afadab5779 100644 --- a/src/mesa/state_tracker/st_draw.h +++ b/src/mesa/state_tracker/st_draw.h @@ -39,6 +39,6 @@ void st_destroy_draw( struct st_context *st ); /** XXX temporary here */ void st_clear(struct st_context *st, GLboolean color, GLboolean depth, - GLboolean stencil, GLboolean accum); + GLboolean stencil); #endif |