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texture_cache: Implement layered framebuffer attachments

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Layered framebuffer attachments is a feature that allows applications to
write attach layered textures to a single attachment. What layer the
fragments are written to is decided from the shader using gl_Layer.
This commit is contained in:
ReinUsesLisp 2020-02-16 04:12:38 -03:00
parent f552d553ba
commit 6a0220b2e1
8 changed files with 74 additions and 51 deletions
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28
src/video_core/renderer_opengl/gl_texture_cache.cpp
View file

@ -398,24 +398,36 @@ CachedSurfaceView::CachedSurfaceView(CachedSurface& surface, const ViewParams& p
CachedSurfaceView::~CachedSurfaceView() = default;
void CachedSurfaceView::Attach(GLenum attachment, GLenum target) const {
ASSERT(params.num_layers == 1 && params.num_levels == 1);
ASSERT(params.num_levels == 1);
const auto& owner_params = surface.GetSurfaceParams();
const GLuint texture = surface.GetTexture();
if (params.num_layers > 1) {
// Layered framebuffer attachments
UNIMPLEMENTED_IF(params.base_layer != 0);
switch (owner_params.target) {
switch (params.target) {
case SurfaceTarget::Texture2DArray:
glFramebufferTexture(target, attachment, texture, params.base_level);
break;
default:
UNIMPLEMENTED();
}
return;
}
const GLenum view_target = surface.GetTarget();
switch (surface.GetSurfaceParams().target) {
case SurfaceTarget::Texture1D:
glFramebufferTexture1D(target, attachment, surface.GetTarget(), surface.GetTexture(),
params.base_level);
glFramebufferTexture1D(target, attachment, view_target, texture, params.base_level);
break;
case SurfaceTarget::Texture2D:
glFramebufferTexture2D(target, attachment, surface.GetTarget(), surface.GetTexture(),
params.base_level);
glFramebufferTexture2D(target, attachment, view_target, texture, params.base_level);
break;
case SurfaceTarget::Texture1DArray:
case SurfaceTarget::Texture2DArray:
case SurfaceTarget::TextureCubemap:
case SurfaceTarget::TextureCubeArray:
glFramebufferTextureLayer(target, attachment, surface.GetTexture(), params.base_level,
glFramebufferTextureLayer(target, attachment, texture, params.base_level,
params.base_layer);
break;
default: