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fix rotation for tate mode (#19138)

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- flip width and height in viewport passes if 90 or 270 degree
- make sure the rotation matrix isn't used twice when the internal shader is active (at the end of a shader chain)

Co-authored-by: PiCiJi <[email protected]>
This commit is contained in:
PiCiJiandPiCiJi authored and GitHub committed 2026-06-23 23:33:30 +02:00
1 parent daf0965a4c
commit 2d37811da4
1 file changed
+22 -5
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gfx/drivers/metal.m
+22 -5
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@@ -880,6 +880,11 @@ static matrix_float4x4 matrix_proj_ortho(float left, float right, float top, flo
return &_uniforms;
}
- (Uniforms *)uniformsNoRotate
{
return &_uniformsNoRotate;
}
#pragma mark - HDR
- (bool)hdrEnabled
@@ -4342,6 +4347,7 @@ typedef struct texture
typedef struct MTLALIGN(16)
{
matrix_float4x4 mvp;
matrix_float4x4 mvp_last_pass;
struct
{
@@ -4881,6 +4887,9 @@ typedef struct MTLALIGN(16)
memset(&_engine.pass[i].feedback, 0, sizeof(_engine.pass[i].feedback));
}
_engine.mvp_last_pass = _context.uniformsNoRotate->projectionMatrix;
int rot = retroarch_get_rotation();
width = (NSUInteger)_size.width;
height = (NSUInteger)_size.height;
@@ -4897,7 +4906,7 @@ typedef struct MTLALIGN(16)
break;
case RARCH_SCALE_VIEWPORT:
width = (NSUInteger)(_viewport->width * shader_pass->fbo.scale_x);
width = (NSUInteger)((rot % 2 ? _viewport->height : _viewport->width) * shader_pass->fbo.scale_x);
break;
case RARCH_SCALE_ABSOLUTE:
@@ -4918,7 +4927,7 @@ typedef struct MTLALIGN(16)
break;
case RARCH_SCALE_VIEWPORT:
height = (NSUInteger)(_viewport->height * shader_pass->fbo.scale_y);
height = (NSUInteger)((rot % 2 ? _viewport->width : _viewport->height) * shader_pass->fbo.scale_y);
break;
case RARCH_SCALE_ABSOLUTE:
@@ -4934,8 +4943,8 @@ typedef struct MTLALIGN(16)
}
else if (i == (_shader->passes - 1))
{
width = _viewport->width;
height = _viewport->height;
width = rot % 2 ? _viewport->height : _viewport->width;
height = rot % 2 ? _viewport->width : _viewport->height;
}
/* Updating framebuffer size */
@@ -4992,6 +5001,14 @@ typedef struct MTLALIGN(16)
}
else
{
if (rot % 2)
{
NSUInteger tmp = width;
width = height;
height = tmp;
}
_engine.mvp_last_pass = _context.uniforms->projectionMatrix;
_engine.pass[i].rt.size_data.x = width;
_engine.pass[i].rt.size_data.y = height;
_engine.pass[i].rt.size_data.z = 1.0f / width;
@@ -5085,7 +5102,7 @@ typedef struct MTLALIGN(16)
for (i = 0; i < shader->passes; source = &_engine.pass[i++].rt)
{
matrix_float4x4 *mvp = (i == shader->passes-1)
? &_context.uniforms->projectionMatrix
? &_engine.mvp_last_pass
: &_engine.mvp;
/* clang-format off */