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gpu: Add display transfer rectangles

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GPUCode 2023-08-03 16:35:18 +03:00
parent f75a23b5a9
commit c805504f70
5 changed files with 109 additions and 88 deletions
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14
include/renderer_gl/surfaces.hpp
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@ -2,6 +2,7 @@
#include "PICA/regs.hpp"
#include "boost/icl/interval.hpp"
#include "helpers.hpp"
#include "math_util.hpp"
#include "opengl.hpp"
template <typename T>
@ -10,7 +11,7 @@ using Interval = boost::icl::right_open_interval<T>;
struct ColourBuffer {
u32 location;
PICA::ColorFmt format;
OpenGL::uvec2 size;
Math::uvec2 size;
bool valid;
// Range of VRAM taken up by buffer
@ -90,6 +91,15 @@ struct ColourBuffer {
}
}
Math::Rect getSubRect(u32 inputAddress, u32 width, u32 height) {
// PICA textures have top-left origin while OpenGL has bottom-left origin.
// Flip the rectangle on the x axis to account for this.
const u32 startOffset = (inputAddress - location) / sizePerPixel(format);
const u32 x0 = (startOffset % (size.x() * 8)) / 8;
const u32 y0 = (startOffset / (size.x() * 8)) * 8;
return Math::Rect{x0, size.y() - y0, x0 + width, size.y() - height - y0};
}
bool matches(ColourBuffer& other) {
return location == other.location && format == other.format &&
size.x() == other.size.x() && size.y() == other.size.y();
@ -103,7 +113,7 @@ struct ColourBuffer {
struct DepthBuffer {
u32 location;
PICA::DepthFmt format;
OpenGL::uvec2 size; // Implicitly set to the size of the framebuffer
Math::uvec2 size; // Implicitly set to the size of the framebuffer
bool valid;
// Range of VRAM taken up by buffer