By rearranging the bitfields within the key we can reduce the size
of the key from 644 to 196 bytes, reducing the cost of both the
hashing and equality tests.
---
src/mesa/main/texenvprogram.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 5913957..3851937 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -82,8 +82,8 @@ texenv_doing_secondary_color(GLcontext *ctx)
#define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
struct mode_opt {
- GLuint Source:4; /**< SRC_x */
- GLuint Operand:3; /**< OPR_x */
+ GLubyte Source:4; /**< SRC_x */
+ GLubyte Operand:3; /**< OPR_x */
};
struct state_key {
@@ -103,10 +103,11 @@ struct state_key {
GLuint NumArgsRGB:3; /**< up to MAX_COMBINER_TERMS */
GLuint ModeRGB:5; /**< MODE_x */
- struct mode_opt OptRGB[MAX_COMBINER_TERMS];
GLuint NumArgsA:3; /**< up to MAX_COMBINER_TERMS */
GLuint ModeA:5; /**< MODE_x */
+
+ struct mode_opt OptRGB[MAX_COMBINER_TERMS];
struct mode_opt OptA[MAX_COMBINER_TERMS];
} unit[MAX_TEXTURE_UNITS];
};
--
1.6.3.3
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