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Renderers: make sure that amplitude for TMOD_STRETCH is not zero

This commit is contained in:
Eugene 2022-01-02 19:52:17 +02:00
parent 5aeab4a25f
commit 2baea18753
2 changed files with 42 additions and 2 deletions
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22
code/renderer/tr_shader.c
View File

@ -2598,7 +2598,7 @@ from the current global working shader
=========================
*/
static shader_t *FinishShader( void ) {
int stage, i;
int stage, i, n, m;
qboolean hasLightmapStage;
qboolean vertexLightmap;
qboolean colorBlend;
@ -2821,6 +2821,26 @@ static shader_t *FinishShader( void ) {
FindLightingStages();
#endif
// make sure that amplitude for TMOD_STRETCH is not zero
for ( i = 0; i < shader.numUnfoggedPasses; i++ ) {
if ( !stages[i].active ) {
continue;
}
for ( n = 0; n < 2; n++ ) {
for ( m = 0; m < stages[i].bundle[n].numTexMods; m++ ) {
if ( stages[i].bundle[n].texMods[m].type == TMOD_STRETCH ) {
if ( fabsf( stages[i].bundle[n].texMods[m].wave.amplitude ) < 1e-6 ) {
if ( stages[i].bundle[n].texMods[m].wave.amplitude >= 0.0f ) {
stages[i].bundle[n].texMods[m].wave.amplitude = 1e-6;
} else {
stages[i].bundle[n].texMods[m].wave.amplitude = -1e-6;
}
}
}
}
}
}
// determine which stage iterator function is appropriate
ComputeStageIteratorFunc();

22
code/renderervk/tr_shader.c
View File

@ -2843,7 +2843,7 @@ from the current global working shader
=========================
*/
static shader_t *FinishShader( void ) {
int stage, i, n;
int stage, i, n, m;
qboolean hasLightmapStage;
qboolean vertexLightmap;
qboolean colorBlend;
@ -3265,6 +3265,26 @@ static shader_t *FinishShader( void ) {
}
#endif
// make sure that amplitude for TMOD_STRETCH is not zero
for ( i = 0; i < shader.numUnfoggedPasses; i++ ) {
if ( !stages[i].active ) {
continue;
}
for ( n = 0; n < stages[i].numTexBundles; n++ ) {
for ( m = 0; m < stages[i].bundle[n].numTexMods; m++ ) {
if ( stages[i].bundle[n].texMods[m].type == TMOD_STRETCH ) {
if ( fabsf( stages[i].bundle[n].texMods[m].wave.amplitude ) < 1e-6 ) {
if ( stages[i].bundle[n].texMods[m].wave.amplitude >= 0.0f ) {
stages[i].bundle[n].texMods[m].wave.amplitude = 1e-6;
} else {
stages[i].bundle[n].texMods[m].wave.amplitude = -1e-6;
}
}
}
}
}
}
// determine which stage iterator function is appropriate
ComputeStageIteratorFunc();