PulseStudio/VoxelEngine
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scissor test fix

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This commit is contained in:
MihailRis 2023-11-28 12:50:06 +03:00
parent 6fc69e01c9
commit b1d432413a
1 changed files with 6 additions and 2 deletions
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8
src/window/Window.cpp
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@ -178,7 +178,9 @@ void Window::pushScissor(vec4 area) {
if (area.z < 0.0f || area.w < 0.0f) { if (area.z < 0.0f || area.w < 0.0f) {
glScissor(0, 0, 0, 0); glScissor(0, 0, 0, 0);
} else { } else {
glScissor(area.x, Window::height-area.w, area.z-area.x, area.w-area.y); glScissor(area.x, Window::height-area.w,
std::max(0, int(area.z-area.x)),
std::max(0, int(area.w-area.y)));
} }
scissorArea = area; scissorArea = area;
} }
@ -193,7 +195,9 @@ void Window::popScissor() {
if (area.z < 0.0f || area.w < 0.0f) { if (area.z < 0.0f || area.w < 0.0f) {
glScissor(0, 0, 0, 0); glScissor(0, 0, 0, 0);
} else { } else {
glScissor(area.x, Window::height-area.w, area.z-area.x, area.w-area.y); glScissor(area.x, Window::height-area.w,
std::max(0, int(area.z-area.x)),
std::max(0, int(area.w-area.y)));
} }
if (scissorStack.empty()) { if (scissorStack.empty()) {
glDisable(GL_SCISSOR_TEST); glDisable(GL_SCISSOR_TEST);