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Ensure GL state is tracked properly between restarts;

This commit is contained in:
bjorn 2018-09-04 15:02:55 -07:00
parent 5ebea9db71
commit f47dccaaa3
1 changed files with 25 additions and 4 deletions
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29
src/graphics/opengl.c
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@ -610,19 +610,39 @@ void lovrGpuInit(bool srgb, gpuProc (*getProcAddress)(const char*)) {
glEnable(GL_BLEND);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
state.srgb = srgb;
state.blendMode = -1;
state.blendAlphaMode = -1;
state.blendMode = BLEND_ALPHA;
state.blendAlphaMode = BLEND_ALPHA_MULTIPLY;
glBlendEquation(GL_FUNC_ADD);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
state.culling = false;
state.depthEnabled = false;
state.depthTest = COMPARE_LESS;
glDisable(GL_CULL_FACE);
state.depthEnabled = true;
state.depthTest = COMPARE_LEQUAL;
state.depthWrite = true;
glEnable(GL_DEPTH_TEST);
glDepthFunc(convertCompareMode(state.depthTest));
glDepthMask(state.depthWrite);
state.lineWidth = 1;
glLineWidth(state.lineWidth);
state.stencilEnabled = false;
state.stencilMode = COMPARE_NONE;
state.stencilValue = 0;
state.stencilWriting = false;
glDisable(GL_STENCIL_TEST);
state.winding = WINDING_COUNTERCLOCKWISE;
glFrontFace(GL_CCW);
state.wireframe = false;
#ifndef EMSCRIPTEN
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
#endif
for (int i = 0; i < MAX_BARRIERS; i++) {
vec_init(&state.incoherents[i]);
}
@ -639,6 +659,7 @@ void lovrGpuDestroy() {
for (int i = 0; i < MAX_BARRIERS; i++) {
vec_deinit(&state.incoherents[i]);
}
memset(&state, 0, sizeof(state));
}
void lovrGpuBindPipeline(Pipeline* pipeline) {