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[client] egl: convert desktop to use desktop_rects

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This commit is contained in:
Quantum
2021-08-02 20:45:47 -04:00
committed by Geoffrey McRae
parent 2dca056526
commit f9977332a6
7 changed files with 83 additions and 60 deletions
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39
client/renderers/EGL/desktop_rects.c
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@@ -219,6 +219,45 @@ struct Rect egl_desktopToScreen(const double matrix[6], const struct FrameDamage
};
}
void egl_screenToDesktopMatrix(double matrix[6], int frameWidth, int frameHeight,
double translateX, double translateY, double scaleX, double scaleY, LG_RendererRotate rotate,
double windowWidth, double windowHeight)
{
double inverted[6] = {0};
egl_desktopToScreenMatrix(inverted, frameWidth, frameHeight, translateX, translateY,
scaleX, scaleY, rotate, windowWidth, windowHeight);
double det = inverted[0] * inverted[3] - inverted[1] * inverted[2];
matrix[0] = inverted[3] / det;
matrix[1] = -inverted[1] / det;
matrix[2] = -inverted[2] / det;
matrix[3] = inverted[0] / det;
matrix[4] = (inverted[2] * inverted[5] - inverted[3] * inverted[4]) / det;
matrix[5] = (inverted[1] * inverted[4] - inverted[0] * inverted[5]) / det;
}
bool egl_screenToDesktop(struct FrameDamageRect * output, const double matrix[6],
const struct Rect * rect, int width, int height)
{
double x1, y1, x2, y2;
matrixMultiply(matrix, &x1, &y1, rect->x, rect->y);
matrixMultiply(matrix, &x2, &y2, rect->x + rect->w, rect->y + rect->h);
int x3 = min(x1, x2);
int y3 = min(y1, y2);
int x4 = ceil(max(x1, x2));
int y4 = ceil(max(y1, y2));
if (x4 < 0 || y4 < 0 || x3 >= width || y3 >= height)
return false;
output->x = max(x3, 0);
output->y = max(y3, 0);
output->width = min(width, x4) - output->x;
output->height = min(height, y4) - output->y;
return true;
}
void egl_desktopRectsRender(EGL_DesktopRects * rects)
{
if (!rects->count)