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fix(gx): only change vertex array FFP state for used attrib slots

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This commit is contained in:
fallenoak 2023-04-14 07:45:19 -05:00
parent eddc6f7f4a
commit eb70607750
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GPG Key ID: 7628F8E61AEA070D
1 changed files with 31 additions and 20 deletions
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51
src/gx/gll/GLVertexArray.cpp
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@ -217,12 +217,25 @@ void GLVertexArray::ApplyVertexFormat(GLDevice* device) {
}
for (int32_t s = 0; s < 16; s++) {
bool* prevAttribEnable;
GLenum glArray;
// Shader
if (useVertexShader) {
prevAttribEnable = &this->m_GLStates.vertexAttribs[s].enable;
auto prevAttribEnable = &this->m_GLStates.vertexAttribs[s].enable;
if (*prevAttribEnable != attribEnable[s]) {
if (attribEnable[s]) {
glEnableVertexAttribArrayARB(s);
} else {
glDisableVertexAttribArrayARB(s);
}
}
*prevAttribEnable = attribEnable[s];
// FFP
} else {
bool* prevAttribEnable = nullptr;
GLenum glArray = GL_NONE;
switch (s) {
case 0: {
prevAttribEnable = &this->m_GLStates.position.enable;
@ -262,6 +275,7 @@ void GLVertexArray::ApplyVertexFormat(GLDevice* device) {
case 13: {
auto tmu = s - 6;
auto texCoordIndex = device->m_States.fixedFunc.texCoordIndex[tmu];
prevAttribEnable = &this->m_GLStates.texCoord[texCoordIndex].enable;
glArray = GL_TEXTURE_COORD_ARRAY;
@ -269,25 +283,22 @@ void GLVertexArray::ApplyVertexFormat(GLDevice* device) {
break;
}
}
}
if (*prevAttribEnable != attribEnable[s]) {
if (attribEnable[s]) {
if (useVertexShader) {
glEnableVertexAttribArrayARB(s);
} else {
glEnableClientState(glArray);
}
} else {
if (useVertexShader) {
glDisableVertexAttribArrayARB(s);
} else {
glDisableClientState(glArray);
}
default:
break;
}
*prevAttribEnable = attribEnable[s];
if (prevAttribEnable) {
if (*prevAttribEnable != attribEnable[s]) {
if (attribEnable[s]) {
glEnableClientState(glArray);
} else {
glDisableClientState(glArray);
}
}
*prevAttribEnable = attribEnable[s];
}
}
}