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Fix these "may be used uninitialized in this function" errors with batching

This commit is contained in:
Steel Titanium 2020-06-08 20:18:32 -04:00
parent 3dd89f67fa
commit 2abdc86537
1 changed files with 22 additions and 22 deletions
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44
src/hardware/hw_batching.c
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@ -138,7 +138,7 @@ static int comparePolygons(const void *p1, const void *p2)
PolygonArrayEntry* poly2 = &polygonArray[index2];
int diff;
INT64 diff64;
int shader1 = poly1->shader;
int shader2 = poly2->shader;
// make skywalls and horizon lines first in order
@ -152,20 +152,20 @@ static int comparePolygons(const void *p1, const void *p2)
// skywalls and horizon lines must retain their order for horizon lines to work
if (shader1 == -1 && shader2 == -1)
return index1 - index2;
diff64 = poly1->texture - poly2->texture;
if (diff64 != 0) return diff64;
diff = poly1->polyFlags - poly2->polyFlags;
if (diff != 0) return diff;
diff64 = poly1->surf.PolyColor.rgba - poly2->surf.PolyColor.rgba;
if (diff64 < 0) return -1; else if (diff64 > 0) return 1;
diff64 = poly1->surf.TintColor.rgba - poly2->surf.TintColor.rgba;
if (diff64 < 0) return -1; else if (diff64 > 0) return 1;
diff64 = poly1->surf.FadeColor.rgba - poly2->surf.FadeColor.rgba;
if (diff64 < 0) return -1; else if (diff64 > 0) return 1;
diff = poly1->surf.LightInfo.light_level - poly2->surf.LightInfo.light_level;
if (diff != 0) return diff;
diff = poly1->surf.LightInfo.fade_start - poly2->surf.LightInfo.fade_start;
@ -182,7 +182,7 @@ static int comparePolygonsNoShaders(const void *p1, const void *p2)
PolygonArrayEntry* poly2 = &polygonArray[index2];
int diff;
INT64 diff64;
GLMipmap_t *texture1 = poly1->texture;
GLMipmap_t *texture2 = poly2->texture;
if (poly1->polyFlags & PF_NoTexture || poly1->horizonSpecial)
@ -195,10 +195,10 @@ static int comparePolygonsNoShaders(const void *p1, const void *p2)
// skywalls and horizon lines must retain their order for horizon lines to work
if (texture1 == NULL && texture2 == NULL)
return index1 - index2;
diff = poly1->polyFlags - poly2->polyFlags;
if (diff != 0) return diff;
diff64 = poly1->surf.PolyColor.rgba - poly2->surf.PolyColor.rgba;
if (diff64 < 0) return -1; else if (diff64 > 0) return 1;
@ -262,19 +262,19 @@ void HWR_RenderBatches(void)
currentSurfaceInfo = polygonArray[polygonIndexArray[0]].surf;
// For now, will sort and track the colors. Vertex attributes could be used instead of uniforms
// and a color array could replace the color calls.
// set state for first batch
if (cv_grshaders.value) // TODO also have the shader availability check here when its done
{
HWD.pfnSetShader(currentShader);
}
if (currentPolyFlags & PF_NoTexture)
currentTexture = NULL;
else
HWD.pfnSetTexture(currentTexture);
while (1)// note: remember handling notexture polyflag as having texture number 0 (also in comparePolygons)
{
int firstIndex;
@ -283,13 +283,13 @@ void HWR_RenderBatches(void)
boolean stopFlag = false;
boolean changeState = false;
boolean changeShader = false;
int nextShader;
int nextShader = 0;
boolean changeTexture = false;
GLMipmap_t *nextTexture;
GLMipmap_t *nextTexture = NULL;
boolean changePolyFlags = false;
FBITFIELD nextPolyFlags;
FBITFIELD nextPolyFlags = 0;
boolean changeSurfaceInfo = false;
FSurfaceInfo nextSurfaceInfo;
FSurfaceInfo nextSurfaceInfo = {0};
// steps:
// write vertices
@ -301,7 +301,7 @@ void HWR_RenderBatches(void)
// change states according to next vars and change bools, updating the current vars and reseting the bools
// reset write pos
// repeat loop
int index = polygonIndexArray[polygonReadPos++];
int numVerts = polygonArray[index].numVerts;
// before writing, check if there is enough room
@ -336,7 +336,7 @@ void HWR_RenderBatches(void)
finalVertexIndexArray[finalIndexWritePos++] = finalVertexWritePos - 1;
finalVertexIndexArray[finalIndexWritePos++] = finalVertexWritePos++;
}
if (polygonReadPos >= polygonArraySize)
{
stopFlag = true;
@ -388,7 +388,7 @@ void HWR_RenderBatches(void)
}
}
}
if (changeState || stopFlag)
{
// execute draw call
@ -401,10 +401,10 @@ void HWR_RenderBatches(void)
finalIndexWritePos = 0;
}
else continue;
// if we're here then either its time to stop or time to change state
if (stopFlag) break;
// change state according to change bools and next vars, update current vars and reset bools
if (changeShader)
{
@ -442,7 +442,7 @@ void HWR_RenderBatches(void)
// reset the arrays (set sizes to 0)
polygonArraySize = 0;
unsortedVertexArraySize = 0;
rs_hw_batchdrawtime = I_GetTimeMicros() - rs_hw_batchdrawtime;
}