| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved.
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #ifndef CR_STATE_REGCOMBINER_H
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| 8 | #define CR_STATE_REGCOMBINER_H
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| 9 |
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| 10 | #include "state/cr_statetypes.h"
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| 11 | #include "state/cr_limits.h"
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| 12 |
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| 13 | #include <iprt/cdefs.h>
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| 14 |
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| 15 | #ifdef __cplusplus
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| 16 | extern "C" {
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| 17 | #endif
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| 18 |
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| 19 | typedef struct {
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| 20 | GLenum a, b, c, d;
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| 21 | GLenum aMapping, bMapping, cMapping, dMapping;
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| 22 | GLenum aPortion, bPortion, cPortion, dPortion;
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| 23 | GLenum scale, bias;
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| 24 | GLenum abOutput, cdOutput, sumOutput;
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| 25 | GLboolean abDotProduct, cdDotProduct, muxSum;
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| 26 | } CRRegCombinerPortionState;
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| 27 |
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| 28 | typedef struct {
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| 29 | GLboolean enabledRegCombiners;
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| 30 | GLboolean enabledPerStageConstants;
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| 31 |
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| 32 | GLcolorf constantColor0;
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| 33 | GLcolorf constantColor1;
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| 34 | GLcolorf stageConstantColor0[CR_MAX_GENERAL_COMBINERS];
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| 35 | GLcolorf stageConstantColor1[CR_MAX_GENERAL_COMBINERS];
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| 36 | GLboolean colorSumClamp;
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| 37 | GLint numGeneralCombiners;
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| 38 |
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| 39 | CRRegCombinerPortionState rgb[CR_MAX_GENERAL_COMBINERS];
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| 40 | CRRegCombinerPortionState alpha[CR_MAX_GENERAL_COMBINERS];
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| 41 |
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| 42 | GLenum a, b, c, d, e, f, g;
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| 43 | GLenum aMapping, bMapping, cMapping, dMapping, eMapping, fMapping, gMapping;
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| 44 | GLenum aPortion, bPortion, cPortion, dPortion, ePortion, fPortion, gPortion;
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| 45 | } CRRegCombinerState;
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| 46 |
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| 47 | typedef struct {
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| 48 | CRbitvalue dirty[CR_MAX_BITARRAY];
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| 49 | CRbitvalue enable[CR_MAX_BITARRAY];
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| 50 | CRbitvalue regCombinerVars[CR_MAX_BITARRAY]; /* numGeneralCombiners, colorSumClamp */
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| 51 | CRbitvalue regCombinerColor0[CR_MAX_BITARRAY];
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| 52 | CRbitvalue regCombinerColor1[CR_MAX_BITARRAY];
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| 53 | CRbitvalue regCombinerStageColor0[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];
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| 54 | CRbitvalue regCombinerStageColor1[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY];
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| 55 | CRbitvalue regCombinerInput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].a/b/c/d, .aMapping, .aPortion */
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| 56 | CRbitvalue regCombinerOutput[CR_MAX_GENERAL_COMBINERS][CR_MAX_BITARRAY]; /* rgb/alpha[].abOutput, .cdOutput, .sumOutput, .scale, .bias, .abDotProduct, .cdDotProduct, .muxSum */
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| 57 | CRbitvalue regCombinerFinalInput[CR_MAX_BITARRAY]; /* a/b/c/d/e/f/g, aMapping, aPortion */
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| 58 | } CRRegCombinerBits;
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| 59 |
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| 60 | DECLEXPORT(void) crStateRegCombinerInit( CRContext *ctx );
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| 61 |
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| 62 | DECLEXPORT(void) crStateRegCombinerDiff(CRRegCombinerBits *b, CRbitvalue *bitID,
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| 63 | CRContext *fromCtx, CRContext *toCtx);
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| 64 | DECLEXPORT(void) crStateRegCombinerSwitch( CRRegCombinerBits *b, CRbitvalue *bitID,
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| 65 | CRContext *fromCtx, CRContext *toCtx );
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| 66 |
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| 67 | #ifdef __cplusplus
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| 68 | }
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| 69 | #endif
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| 70 |
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| 71 | #endif /* CR_STATE_REGCOMBINER_H */
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