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-rw-r--r--src/mesa/state_tracker/st_cb_clear.c24
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