1 files changed, 71 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/include/state/cr_regcombiner.h b/src/VBox/GuestHost/OpenGL/include/state/cr_regcombiner.h
new file mode 100644
index 00000000..69af2a93
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/include/state/cr_regcombiner.h
@@ -0,0 +1,71 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved.
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+#ifndef CR_STATE_REGCOMBINER_H
+#define CR_STATE_REGCOMBINER_H
+
+#include "state/cr_statetypes.h"
+#include "state/cr_limits.h"
+
+#include <iprt/cdefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+	GLenum a,        b,        c,        d;
+	GLenum aMapping, bMapping, cMapping, dMapping;
+	GLenum aPortion, bPortion, cPortion, dPortion;
+	GLenum scale, bias;
+	GLenum    abOutput,     cdOutput,     sumOutput;
+	GLboolean abDotProduct, cdDotProduct, muxSum;
+} CRRegCombinerPortionState;
+
+typedef struct {
+	GLboolean enabledRegCombiners;
+	GLboolean enabledPerStageConstants;
+
+	GLcolorf constantColor0;
+	GLcolorf constantColor1;
+	GLcolorf stageConstantColor0[CR_MAX_GENERAL_COMBINERS];
+	GLcolorf stageConstantColor1[CR_MAX_GENERAL_COMBINERS];
+	GLboolean colorSumClamp;
+	GLint numGeneralCombiners;
+
+	CRRegCombinerPortionState rgb[CR_MAX_GENERAL_COMBINERS];
+	CRRegCombinerPortionState alpha[CR_MAX_GENERAL_COMBINERS];
+
+	GLenum a,        b,        c,        d,        e,        f,        g;
+	GLenum aMapping, bMapping, cMapping, dMapping, eMapping, fMapping, gMapping;
+	GLenum aPortion, bPortion, cPortion, dPortion, ePortion, fPortion, gPortion;
+} CRRegCombinerState;
+
+typedef struct {
+	CRbitvalue dirty[CR_MAX_BITARRAY];
+	CRbitvalue enable[CR_MAX_BITARRAY];
+	CRbitvalue regCombinerVars[CR_MAX_BITARRAY]; /* numGeneralCombiners, colorSumClamp */
+	CRbitvalue regCombinerColor0[CR_MAX_BITARRAY];
+	CRbitvalue regCombinerColor1[CR_MAX_BITARRAY];
+	CRbitvalue regCombinerStageColor0[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];
+	CRbitvalue regCombinerStageColor1[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];
+	CRbitvalue regCombinerInput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].a/b/c/d, .aMapping, .aPortion */
+	CRbitvalue regCombinerOutput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].abOutput, .cdOutput, .sumOutput, .scale, .bias, .abDotProduct, .cdDotProduct, .muxSum */
+	CRbitvalue regCombinerFinalInput[CR_MAX_BITARRAY]; /* a/b/c/d/e/f/g, aMapping, aPortion */
+} CRRegCombinerBits;
+
+DECLEXPORT(void) crStateRegCombinerInit( CRContext *ctx );
+
+DECLEXPORT(void) crStateRegCombinerDiff(CRRegCombinerBits *b, CRbitvalue *bitID,
+                                        CRContext *fromCtx, CRContext *toCtx);
+DECLEXPORT(void) crStateRegCombinerSwitch( CRRegCombinerBits *b, CRbitvalue *bitID, 
+                                           CRContext *fromCtx, CRContext *toCtx );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CR_STATE_REGCOMBINER_H */