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SDL/Qt: Better resizing & fullscreen support

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wheremyfoodat 2025-06-28 20:35:38 +03:00
parent bfeee04d3e
commit 630952f36b
6 changed files with 85 additions and 7 deletions
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28
src/core/renderer_gl/renderer_gl.cpp
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@ -582,7 +582,33 @@ void RendererGL::display() {
if constexpr (!Helpers::isHydraCore()) {
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
screenFramebuffer.bind(OpenGL::ReadFramebuffer);
glBlitFramebuffer(0, 0, 400, 480, 0, 0, outputWindowWidth, outputWindowHeight, GL_COLOR_BUFFER_BIT, GL_LINEAR);
if (outputSizeChanged) {
outputSizeChanged = false;
const float srcAspect = 400.0f / 480.0f; // 3DS aspect ratio
const float dstAspect = float(outputWindowWidth) / float(outputWindowHeight);
blitInfo.destWidth = outputWindowWidth;
blitInfo.destHeight = outputWindowHeight;
blitInfo.destX = 0;
blitInfo.destY = 0;
if (dstAspect > srcAspect) {
// Window is wider than source
blitInfo.destWidth = int(outputWindowHeight * srcAspect + 0.5f);
blitInfo.destX = (outputWindowWidth - blitInfo.destWidth) / 2;
} else {
// Window is taller than source
blitInfo.destHeight = int(outputWindowWidth / srcAspect + 0.5f);
blitInfo.destY = (outputWindowHeight - blitInfo.destHeight) / 2;
}
}
glBlitFramebuffer(
0, 0, 400, 480, blitInfo.destX, blitInfo.destY, blitInfo.destX + blitInfo.destWidth, blitInfo.destY + blitInfo.destHeight,
GL_COLOR_BUFFER_BIT, GL_LINEAR
);
}
}