diff options
| author | Keith Whitwell <[email protected]> | 2009-07-28 18:45:22 +0100 |
|---|---|---|
| committer | Keith Whitwell <[email protected]> | 2009-07-29 12:48:04 +0100 |
| commit | 2420b283b783751d4def3a3a2a0ed8bf7bb7b6a8 (patch) | |
| tree | f472108d90dfcf5884dd4de821b8d31f5ff4c387 /src/mesa/state_tracker/st_cb_clear.c | |
| parent | 4d99e1453552847c2a67f723adc2764443c995d7 (diff) | |
mesa/st: recognize no-op scissor state when checking clear_with_quads
Some apps enable scissor but set the rectangle to the dimensions of
the window. Don't let this force us onto a slower clear path.
Diffstat (limited to 'src/mesa/state_tracker/st_cb_clear.c')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 668acbccb88..8a8c99f7e17 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -280,7 +280,11 @@ clear_with_quad(GLcontext *ctx, static INLINE GLboolean check_clear_color_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) { - if (ctx->Scissor.Enabled) + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) return TRUE; if (!ctx->Color.ColorMask[0] || @@ -300,7 +304,11 @@ check_clear_depth_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) GLboolean maskStencil = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax; - if (ctx->Scissor.Enabled) + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) return TRUE; if (maskStencil) @@ -319,7 +327,11 @@ check_clear_depth_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) const struct st_renderbuffer *strb = st_renderbuffer(rb); const GLboolean isDS = pf_is_depth_and_stencil(strb->surface->format); - if (ctx->Scissor.Enabled) + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) return TRUE; if (isDS && @@ -345,7 +357,11 @@ check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) if (maskStencil) return TRUE; - if (ctx->Scissor.Enabled) + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) return TRUE; /* This is correct, but it is necessary to look at the depth clear |