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another tweak to optimized GL_RETURN code

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This commit is contained in:
Brian Paul 2000-07-15 03:14:25 +00:00
parent 6fae9eb4b4
commit d126c7f8d8
1 changed files with 3 additions and 5 deletions
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8
src/mesa/main/accum.c
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@ -1,4 +1,4 @@
/* $Id: accum.c,v 1.22 2000/07/14 04:15:37 brianp Exp $ */
/* $Id: accum.c,v 1.23 2000/07/15 03:14:25 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -348,16 +348,14 @@ _mesa_Accum( GLenum op, GLfloat value )
if (ctx->IntegerAccumMode && value != 1.0)
rescale_accum(ctx);
if (ctx->IntegerAccumMode && ctx->IntegerAccumScaler > 0
&& (GLint) (256 / ctx->IntegerAccumScaler) <= 32768) {
if (ctx->IntegerAccumMode && ctx->IntegerAccumScaler > 0) {
/* build lookup table to avoid many floating point multiplies */
const GLfloat mult = ctx->IntegerAccumScaler;
static GLchan multTable[32768];
static GLfloat prevMult = 0.0;
GLuint j;
const GLint max = (GLint) (256 / mult);
const GLint max = MIN2((GLint) (256 / mult), 32767);
if (mult != prevMult) {
assert(max <= 32768);
for (j = 0; j < max; j++)
multTable[j] = (GLint) ((GLfloat) j * mult + 0.5F);
prevMult = mult;