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authorameerj <52414509+ameerj@users.noreply.github.com>2021-07-22 02:50:15 +0200
committerFernando Sahmkow <fsahmkow27@gmail.com>2021-11-16 22:11:27 +0100
commit0a6c895af76503e7658f8660cc1af097e5d9c11f (patch)
tree277a0b1b7fe77680577907881307f805e2dccfb1 /src
parentTexture Cache: Implement Rescaling on Aliases and Blits. (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/renderer_opengl/gl_texture_cache.cpp47
-rw-r--r--src/video_core/renderer_opengl/gl_texture_cache.h1
2 files changed, 32 insertions, 16 deletions
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.cpp b/src/video_core/renderer_opengl/gl_texture_cache.cpp
index ecde5b600..53b5c0947 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_texture_cache.cpp
@@ -479,6 +479,9 @@ TextureCacheRuntime::~TextureCacheRuntime() = default;
void TextureCacheRuntime::Init() {
resolution = Settings::values.resolution_info;
is_rescaling_on = resolution.up_scale != 1 || resolution.down_shift != 0;
+ if (is_rescaling_on) {
+ rescale_fbo.Create();
+ }
}
void TextureCacheRuntime::Finish() {
@@ -867,8 +870,10 @@ void Image::CopyImageToBuffer(const VideoCommon::BufferImageCopy& copy, size_t b
}
void Image::Scale(u32 up, u32 down) {
- // TODO: Pass scaling factor?
- if (gl_format == 0 || gl_type == 0) {
+ if (!runtime->is_rescaling_on) {
+ return;
+ }
+ if (gl_format == 0 && gl_type == 0) {
// compressed textures
return;
}
@@ -876,9 +881,7 @@ void Image::Scale(u32 up, u32 down) {
UNIMPLEMENTED();
return;
}
- GLint prev_draw_fbo;
GLint prev_read_fbo;
- glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &prev_draw_fbo);
glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &prev_read_fbo);
const GLenum attachment = [this] {
switch (GetFormatType(info.format)) {
@@ -907,15 +910,10 @@ void Image::Scale(u32 up, u32 down) {
}
}();
const GLenum filter = (mask & GL_COLOR_BUFFER_BIT) != 0 ? GL_LINEAR : GL_NEAREST;
- GLuint fbo_handle;
- glGenFramebuffers(1, &fbo_handle);
- glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_handle);
- glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_handle);
- glNamedFramebufferTexture(fbo_handle, attachment, texture.handle, 0);
-
const auto scale_up = [&](u32 value) { return std::max<u32>((value * up) >> down, 1U); };
+ const bool is_2d = info.type == ImageType::e2D;
const u32 scaled_width = scale_up(info.size.width);
- const u32 scaled_height = scale_up(info.size.height);
+ const u32 scaled_height = is_2d ? scale_up(info.size.height) : info.size.height;
const u32 original_width = info.size.width;
const u32 original_height = info.size.height;
@@ -923,14 +921,31 @@ void Image::Scale(u32 up, u32 down) {
scaled_info.size.width = scaled_width;
scaled_info.size.height = scaled_height;
auto scaled_texture = MakeImage(scaled_info, gl_internal_format);
-
- glBlitNamedFramebuffer(fbo_handle, fbo_handle, 0, 0, original_width, original_height, 0, 0,
- scaled_width, scaled_height, mask, filter);
- glCopyTextureSubImage3D(scaled_texture.handle, 0, 0, 0, 0, 0, 0, scaled_width, scaled_height);
+ const auto& blit_fbo = runtime->rescale_fbo;
+ for (s32 level = 0; level < info.resources.levels; ++level) {
+ const u32 level_width = scaled_width >> level;
+ const u32 level_height = scaled_height >> level;
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, blit_fbo.handle);
+ glNamedFramebufferTexture(blit_fbo.handle, attachment, texture.handle, level);
+ glBlitNamedFramebuffer(blit_fbo.handle, blit_fbo.handle, 0, 0, original_width,
+ original_height, 0, 0, level_width, level_height, mask, filter);
+ switch (info.type) {
+ case ImageType::e1D:
+ glCopyTextureSubImage2D(scaled_texture.handle, level, 0, 0, 0, 0, level_width,
+ level_height);
+ break;
+ case ImageType::e2D:
+ glCopyTextureSubImage3D(scaled_texture.handle, level, 0, 0, 0, 0, 0, level_width,
+ level_height);
+ break;
+ case ImageType::e3D:
+ default:
+ UNREACHABLE();
+ }
+ }
texture = std::move(scaled_texture);
// Restore previous framebuffers
- glBindFramebuffer(GL_DRAW_FRAMEBUFFER, prev_draw_fbo);
glBindFramebuffer(GL_READ_FRAMEBUFFER, prev_read_fbo);
}
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.h b/src/video_core/renderer_opengl/gl_texture_cache.h
index 77ca14132..03de50ad5 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.h
+++ b/src/video_core/renderer_opengl/gl_texture_cache.h
@@ -155,6 +155,7 @@ private:
std::array<GLuint, Shader::NUM_TEXTURE_TYPES> null_image_views{};
+ OGLFramebuffer rescale_fbo;
Settings::ResolutionScalingInfo resolution;
bool is_rescaling_on{};
};