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Optimise multitexture submission

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This commit is contained in:
Luke Benstead 2019-09-09 09:36:06 +01:00
parent 3af18cb514
commit e7f2ad7dcc
1 changed files with 13 additions and 25 deletions
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38
GL/draw.c
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@ -988,7 +988,7 @@ static void divide(SubmissionTarget* target) {
}
}
static void push(PVRHeader* header, Vertex* output, const GLuint count, PolyList* activePolyList, GLshort textureUnit) {
static void push(PVRHeader* header, GLboolean multiTextureHeader, PolyList* activePolyList, GLshort textureUnit) {
TRACE();
// Compile the header
@ -997,6 +997,16 @@ static void push(PVRHeader* header, Vertex* output, const GLuint count, PolyList
_glUpdatePVRTextureContext(&cxt, textureUnit);
if(multiTextureHeader) {
assert(cxt.list_type == PVR_LIST_TR_POLY);
cxt.gen.alpha = PVR_ALPHA_ENABLE;
cxt.txr.alpha = PVR_TXRALPHA_ENABLE;
cxt.blend.src = PVR_BLEND_ZERO;
cxt.blend.dst = PVR_BLEND_DESTCOLOR;
cxt.depth.comparison = PVR_DEPTHCMP_EQUAL;
}
pvr_poly_compile(&header->hdr, &cxt);
/* Post-process the vertex list */
@ -1147,7 +1157,7 @@ static void submitVertices(GLenum mode, GLsizei first, GLuint count, GLenum type
profiler_checkpoint("divide");
push(_glSubmissionTargetHeader(target), _glSubmissionTargetStart(target), target->count, target->output, 0);
push(_glSubmissionTargetHeader(target), GL_FALSE, target->output, 0);
profiler_checkpoint("push");
/*
@ -1183,7 +1193,6 @@ static void submitVertices(GLenum mode, GLsizei first, GLuint count, GLenum type
assert(vertex);
PVRHeader* mtHeader = (PVRHeader*) vertex++;
Vertex* mtStart = vertex;
/* Replace the UV coordinates with the ST ones */
VertexExtra* ve = aligned_vector_at(target->extras, 0);
@ -1194,29 +1203,8 @@ static void submitVertices(GLenum mode, GLsizei first, GLuint count, GLenum type
++ve;
}
/* Store state, as we're about to mess around with it */
GLint depthFunc, blendSrc, blendDst;
glGetIntegerv(GL_DEPTH_FUNC, &depthFunc);
glGetIntegerv(GL_BLEND_SRC, &blendSrc);
glGetIntegerv(GL_BLEND_DST, &blendDst);
GLboolean blendEnabled = glIsEnabled(GL_BLEND);
GLboolean depthEnabled = glIsEnabled(GL_DEPTH_TEST);
glDepthFunc(GL_EQUAL);
glEnable(GL_BLEND);
/* This is modulation, we need to switch depending on the texture env mode! */
glBlendFunc(GL_DST_COLOR, GL_ZERO);
/* Send the buffer again to the transparent list */
push(mtHeader, mtStart, target->count, _glTransparentPolyList(), 1);
/* Reset state */
glDepthFunc(depthFunc);
glBlendFunc(blendSrc, blendDst);
(blendEnabled) ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
(depthEnabled) ? glEnable(GL_DEPTH_TEST) : glDisable(GL_DEPTH_TEST);
push(mtHeader, GL_TRUE, _glTransparentPolyList(), 1);
profiler_pop();
}