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Diffstat (limited to 'mesalib/src/mesa/drivers/windows')
-rw-r--r--mesalib/src/mesa/drivers/windows/gdi/wmesa.c47
1 files changed, 15 insertions, 32 deletions
diff --git a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
index ba11998eb..93da05fe7 100644
--- a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
+++ b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
@@ -243,39 +243,9 @@ static void wmesa_flush(struct gl_context *ctx)
/***** CLEAR Functions *****/
/**********************************************************************/
-/* If we do not implement these, Mesa clears the buffers via the pixel
- * span writing interface, which is very slow for a clear operation.
- */
-
-/*
- * Set the color used to clear the color buffer.
- */
-static void clear_color(struct gl_context *ctx,
- const union gl_color_union color)
-{
- WMesaContext pwc = wmesa_context(ctx);
- GLubyte col[3];
-
- UNCLAMPED_FLOAT_TO_UBYTE(col[0], color.f[0]);
- UNCLAMPED_FLOAT_TO_UBYTE(col[1], color.f[1]);
- UNCLAMPED_FLOAT_TO_UBYTE(col[2], color.f[2]);
- pwc->clearColorRef = RGB(col[0], col[1], col[2]);
- DeleteObject(pwc->clearPen);
- DeleteObject(pwc->clearBrush);
- pwc->clearPen = CreatePen(PS_SOLID, 1, pwc->clearColorRef);
- pwc->clearBrush = CreateSolidBrush(pwc->clearColorRef);
-}
-
-
/*
- * Clear the specified region of the color buffer using the clear color
- * or index as specified by one of the two functions above.
- *
- * This procedure clears either the front and/or the back COLOR buffers.
- * Only the "left" buffer is cleared since we are not stereo.
- * Clearing of the other non-color buffers is left to the swrast.
+ * Clear the color/depth/stencil buffers.
*/
-
static void clear(struct gl_context *ctx, GLbitfield mask)
{
#define FLIP(Y) (ctx->DrawBuffer->Height - (Y) - 1)
@@ -298,6 +268,20 @@ static void clear(struct gl_context *ctx, GLbitfield mask)
return;
}
+ if (mask & BUFFER_BITS_COLOR) {
+ /* setup the clearing color */
+ const union gl_color_union color = ctx->Color.ClearColor;
+ GLubyte col[3];
+ UNCLAMPED_FLOAT_TO_UBYTE(col[0], color.f[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(col[1], color.f[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(col[2], color.f[2]);
+ pwc->clearColorRef = RGB(col[0], col[1], col[2]);
+ DeleteObject(pwc->clearPen);
+ DeleteObject(pwc->clearBrush);
+ pwc->clearPen = CreatePen(PS_SOLID, 1, pwc->clearColorRef);
+ pwc->clearBrush = CreateSolidBrush(pwc->clearColorRef);
+ }
+
/* Back buffer */
if (mask & BUFFER_BIT_BACK_LEFT) {
@@ -1095,7 +1079,6 @@ WMesaContext WMesaCreateContext(HDC hDC,
functions.GetBufferSize = wmesa_get_buffer_size;
functions.Flush = wmesa_flush;
functions.Clear = clear;
- functions.ClearColor = clear_color;
functions.ResizeBuffers = wmesa_resize_buffers;
functions.Viewport = wmesa_viewport;