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Clipping scissor Y coordinates must be inverted when rendering to screen 

Fixes top of screen missing in San Francisco Rush 2049
This commit is contained in:
Flyinghead 2018-07-09 23:22:13 +02:00
parent 889f722e73
commit c035635341
1 changed files with 17 additions and 6 deletions
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23
core/rend/gles/gles.cpp
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@ -1510,8 +1510,8 @@ bool RenderFrame()
/*
u32 pvr_stride=(FB_W_LINESTRIDE.stride)*8;
*/
dc_width = FB_X_CLIP.max - FB_X_CLIP.min + 1;
dc_height = FB_Y_CLIP.max - FB_Y_CLIP.min + 1;
dc_width = pvrrc.fb_X_CLIP.max - pvrrc.fb_X_CLIP.min + 1;
dc_height = pvrrc.fb_Y_CLIP.max - pvrrc.fb_Y_CLIP.min + 1;
}
scale_x = 1;
@ -1734,10 +1734,21 @@ bool RenderFrame()
if (!wide_screen_on)
{
glScissor(offs_x + pvrrc.fb_X_CLIP.min / scale_x * (is_rtt ? 1 : dc2s_scale_h),
pvrrc.fb_Y_CLIP.min / scale_y * (is_rtt ? 1 : dc2s_scale_h),
(pvrrc.fb_X_CLIP.max - pvrrc.fb_X_CLIP.min + 1) / scale_x * (is_rtt ? 1 : dc2s_scale_h),
(pvrrc.fb_Y_CLIP.max - pvrrc.fb_Y_CLIP.min + 1) / scale_y * (is_rtt ? 1 : dc2s_scale_h));
float width = (pvrrc.fb_X_CLIP.max - pvrrc.fb_X_CLIP.min + 1) / scale_x;
float height = (pvrrc.fb_Y_CLIP.max - pvrrc.fb_Y_CLIP.min + 1) / scale_y;
int min_x = pvrrc.fb_X_CLIP.min / scale_x;
int min_y = pvrrc.fb_Y_CLIP.min / scale_y;
if (!is_rtt)
{
// Add x offset for aspect ratio > 4/3
min_x = min_x * dc2s_scale_h + offs_x;
// Invert y coordinates when rendering to screen
min_y = screen_height - height * dc2s_scale_h;
width *= dc2s_scale_h;
height *= dc2s_scale_h;
}
glScissor(offs_x + min_x, min_y, width, height);
glcache.Enable(GL_SCISSOR_TEST);
}