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{GL renderer] Better screen stub

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wheremyfoodat 2023-06-14 21:47:17 +03:00
parent 8284c3cda4
commit 87ac4d5a0f
1 changed files with 18 additions and 18 deletions
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36
src/core/renderer_gl/renderer_gl.cpp
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@ -466,26 +466,26 @@ void Renderer::displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32
const u32 outputGap = outputSize >> 16;
auto framebuffer = colourBufferCache.findFromAddress(inputAddr);
if (framebuffer.has_value()) {
OpenGL::Texture& texture = framebuffer.value().get().texture;
texture.bind();
screenFramebuffer.bind(OpenGL::DrawFramebuffer);
// If there's a framebuffer at this address, use it. Otherwise go back to our old hack and display framebuffer 0
// Displays are hard I really don't want to try implementing them because getting a fast solution is terrible
OpenGL::Texture& tex = framebuffer.has_value() ? framebuffer.value().get().texture : colourBufferCache[0].texture;
OpenGL::disableBlend();
OpenGL::disableDepth();
OpenGL::disableScissor();
tex.bind();
screenFramebuffer.bind(OpenGL::DrawFramebuffer);
displayProgram.use();
OpenGL::disableBlend();
OpenGL::disableDepth();
OpenGL::disableScissor();
displayProgram.use();
// Hack: Detect whether we are writing to the top or bottom screen by checking output gap and drawing to the proper part of the output texture
// We consider output gap == 320 to mean bottom, and anything else to mean top
if (outputGap == 320) {
OpenGL::setViewport(40, 0, 320, 240);
} else {
OpenGL::setViewport(0, 240, 400, 240);
}
dummyVAO.bind();
OpenGL::draw(OpenGL::TriangleStrip, 4); // Actually draw our 3DS screen
// Hack: Detect whether we are writing to the top or bottom screen by checking output gap and drawing to the proper part of the output texture
// We consider output gap == 320 to mean bottom, and anything else to mean top
if (outputGap == 320) {
OpenGL::setViewport(40, 0, 320, 240); // Bottom screen viewport
} else {
OpenGL::setViewport(0, 240, 400, 240); // Top screen viewport
}
dummyVAO.bind();
OpenGL::draw(OpenGL::TriangleStrip, 4); // Actually draw our 3DS screen
}