1 files changed, 122 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_clear.c b/src/mesa/drivers/dri/r600/r700_clear.c
new file mode 100644
index 0000000000..e84be38622
--- /dev/null
+++ b/src/mesa/drivers/dri/r600/r700_clear.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2008-2009  Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
+ *   CooperYuan <cooper.yuan@amd.com>, <cooperyuan@gmail.com>
+ */
+ 
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/enums.h"
+
+#include "radeon_lock.h"
+#include "r600_context.h"
+
+#include "r700_shaderinst.h"
+#include "r600_emit.h"
+#include "r700_clear.h"
+
+static GLboolean r700ClearFast(context_t *context, GLbitfield mask)
+{
+    /* TODO, fast clear need implementation */
+    return GL_FALSE;
+}
+
+#define R600_NEWPRIM( rmesa )			\
+  do {						\
+  if ( rmesa->radeon.dma.flush )			\
+    rmesa->radeon.dma.flush( rmesa->radeon.glCtx );	\
+  } while (0)
+
+void r700Clear(GLcontext * ctx, GLbitfield mask)
+{
+    context_t *context = R700_CONTEXT(ctx);
+    __DRIdrawablePrivate *dPriv = radeon_get_drawable(&context->radeon);
+    const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask);
+    GLbitfield swrast_mask = 0, tri_mask = 0;
+    int i;
+    struct gl_framebuffer *fb = ctx->DrawBuffer;
+
+    if( GL_TRUE == r700ClearFast(context, mask) )
+    {
+        return;
+    }
+	if (!context->radeon.radeonScreen->driScreen->dri2.enabled) {
+		LOCK_HARDWARE(&context->radeon);
+		UNLOCK_HARDWARE(&context->radeon);
+		if (dPriv->numClipRects == 0)
+			return;
+	}
+
+	R600_NEWPRIM(context);
+
+	if (colorMask == ~0)
+	  tri_mask |= (mask & BUFFER_BITS_COLOR);
+	else
+	  tri_mask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT));
+
+
+	/* HW stencil */
+	if (mask & BUFFER_BIT_STENCIL) {
+		tri_mask |= BUFFER_BIT_STENCIL;
+	}
+
+	/* HW depth */
+	if (mask & BUFFER_BIT_DEPTH) {
+    	        tri_mask |= BUFFER_BIT_DEPTH;
+	}
+
+	/* If we're doing a tri pass for depth/stencil, include a likely color
+	 * buffer with it.
+	 */
+
+	for (i = 0; i < BUFFER_COUNT; i++) {
+	  GLuint bufBit = 1 << i;
+	  if ((tri_mask) & bufBit) {
+	    if (!fb->Attachment[i].Renderbuffer->ClassID) {
+	      tri_mask &= ~bufBit;
+	      swrast_mask |= bufBit;
+	    }
+	  }
+	}
+
+	/* SW fallback clearing */
+	swrast_mask = mask & ~tri_mask;
+
+	if (tri_mask) {
+		radeonUserClear(ctx, tri_mask);
+	}
+
+	if (swrast_mask) {
+		if (RADEON_DEBUG & DEBUG_FALLBACKS)
+			fprintf(stderr, "%s: swrast clear, mask: %x\n",
+				__FUNCTION__, swrast_mask);
+		_swrast_Clear(ctx, swrast_mask);
+	}
+
+}
+
+