X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fintel_pixel.c;h=eaca8e309782766d6a8dbfe76d8b13ac3f2a1aaa;hb=ff7521c9bac3d52f645c68deac7084e20b81b2f5;hp=d733c5e874563faf2be92dc96255261d0b3efc6d;hpb=80a718a63bf2fa817e346f0f5731ee9ef2e0e68b;p=mesa.git

diff --git a/src/mesa/drivers/dri/i915/intel_pixel.c b/src/mesa/drivers/dri/i915/intel_pixel.c
deleted file mode 120000
index d733c5e8745..00000000000
--- a/src/mesa/drivers/dri/i915/intel_pixel.c
+++ /dev/null
@@ -1 +0,0 @@
-../intel/intel_pixel.c
\ No newline at end of file
diff --git a/src/mesa/drivers/dri/i915/intel_pixel.c b/src/mesa/drivers/dri/i915/intel_pixel.c
new file mode 100644
index 00000000000..eaca8e30978
--- /dev/null
+++ b/src/mesa/drivers/dri/i915/intel_pixel.c
@@ -0,0 +1,132 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 VMware, Inc.
+ * All Rights Reserved.
+ * 
+ * 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, sub license, 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 (including the
+ * next paragraph) shall be included in all copies or substantial portionsalloc
+ * 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+#include "main/accum.h"
+#include "main/enums.h"
+#include "main/state.h"
+#include "main/stencil.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "swrast/swrast.h"
+
+#include "intel_context.h"
+#include "intel_pixel.h"
+#include "intel_regions.h"
+
+#define FILE_DEBUG_FLAG DEBUG_PIXEL
+
+static GLenum
+effective_func(GLenum func, bool src_alpha_is_one)
+{
+   if (src_alpha_is_one) {
+      if (func == GL_SRC_ALPHA)
+	 return GL_ONE;
+      if (func == GL_ONE_MINUS_SRC_ALPHA)
+	 return GL_ZERO;
+   }
+
+   return func;
+}
+
+/**
+ * Check if any fragment operations are in effect which might effect
+ * glDraw/CopyPixels.
+ */
+bool
+intel_check_blit_fragment_ops(struct gl_context * ctx, bool src_alpha_is_one)
+{
+   if (ctx->NewState)
+      _mesa_update_state(ctx);
+
+   if (_mesa_arb_fragment_program_enabled(ctx)) {
+      DBG("fallback due to fragment program\n");
+      return false;
+   }
+
+   if (ctx->Color.BlendEnabled &&
+       (effective_func(ctx->Color.Blend[0].SrcRGB, src_alpha_is_one) != GL_ONE ||
+	effective_func(ctx->Color.Blend[0].DstRGB, src_alpha_is_one) != GL_ZERO ||
+	ctx->Color.Blend[0].EquationRGB != GL_FUNC_ADD ||
+	effective_func(ctx->Color.Blend[0].SrcA, src_alpha_is_one) != GL_ONE ||
+	effective_func(ctx->Color.Blend[0].DstA, src_alpha_is_one) != GL_ZERO ||
+	ctx->Color.Blend[0].EquationA != GL_FUNC_ADD)) {
+      DBG("fallback due to blend\n");
+      return false;
+   }
+
+   if (ctx->Texture._MaxEnabledTexImageUnit != -1) {
+      DBG("fallback due to texturing\n");
+      return false;
+   }
+
+   if (GET_COLORMASK(ctx->Color.ColorMask, 0) != 0xf) {
+      DBG("fallback due to color masking\n");
+      return false;
+   }
+
+   if (ctx->Color.AlphaEnabled) {
+      DBG("fallback due to alpha\n");
+      return false;
+   }
+
+   if (ctx->Depth.Test) {
+      DBG("fallback due to depth test\n");
+      return false;
+   }
+
+   if (ctx->Fog.Enabled) {
+      DBG("fallback due to fog\n");
+      return false;
+   }
+
+   if (ctx->_ImageTransferState) {
+      DBG("fallback due to image transfer\n");
+      return false;
+   }
+
+   if (_mesa_stencil_is_enabled(ctx)) {
+      DBG("fallback due to image stencil\n");
+      return false;
+   }
+
+   if (ctx->RenderMode != GL_RENDER) {
+      DBG("fallback due to render mode\n");
+      return false;
+   }
+
+   return true;
+}
+
+void
+intelInitPixelFuncs(struct dd_function_table *functions)
+{
+   functions->Bitmap = intelBitmap;
+   functions->CopyPixels = intelCopyPixels;
+   functions->DrawPixels = intelDrawPixels;
+   functions->ReadPixels = intelReadPixels;
+}
+