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Merge pull request #237 from vaguilar/fix-viewport 

Fixed viewport error caused by rounding
This commit is contained in:
bunnei 2014-11-30 23:24:16 -05:00
parent 884ecd58ea 95b33ee0a7
commit d5be332d21
1 changed files with 2 additions and 2 deletions
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4
src/video_core/renderer_opengl/renderer_opengl.cpp
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@ -240,14 +240,14 @@ MathUtil::Rectangle<unsigned> RendererOpenGL::GetViewportExtent() {
MathUtil::Rectangle<unsigned> viewport_extent; MathUtil::Rectangle<unsigned> viewport_extent;
if (window_aspect_ratio > emulation_aspect_ratio) { if (window_aspect_ratio > emulation_aspect_ratio) {
// Window is narrower than the emulation content => apply borders to the top and bottom // Window is narrower than the emulation content => apply borders to the top and bottom
unsigned viewport_height = emulation_aspect_ratio * framebuffer_width; unsigned viewport_height = std::round(emulation_aspect_ratio * framebuffer_width);
viewport_extent.left = 0; viewport_extent.left = 0;
viewport_extent.top = (framebuffer_height - viewport_height) / 2; viewport_extent.top = (framebuffer_height - viewport_height) / 2;
viewport_extent.right = viewport_extent.left + framebuffer_width; viewport_extent.right = viewport_extent.left + framebuffer_width;
viewport_extent.bottom = viewport_extent.top + viewport_height; viewport_extent.bottom = viewport_extent.top + viewport_height;
} else { } else {
// Otherwise, apply borders to the left and right sides of the window. // Otherwise, apply borders to the left and right sides of the window.
unsigned viewport_width = framebuffer_height / emulation_aspect_ratio; unsigned viewport_width = std::round(framebuffer_height / emulation_aspect_ratio);
viewport_extent.left = (framebuffer_width - viewport_width) / 2; viewport_extent.left = (framebuffer_width - viewport_width) / 2;
viewport_extent.top = 0; viewport_extent.top = 0;
viewport_extent.right = viewport_extent.left + viewport_width; viewport_extent.right = viewport_extent.left + viewport_width;