gl_rasterizer: Use ARB_texture_storage.

It allows us to use texture views and it reduces the overhead within the GPU driver.

But it disallows us to reallocate the texture, but we don't do so anyways.

In the end, it is the new way to allocate textures, so there is no need to use the old way.

3 files changed, 12 insertions, 11 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 29d61eccd..ab681f227 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -477,30 +477,27 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
         // Only pre-create the texture for non-compressed textures.
         switch (params.target) {
         case SurfaceParams::SurfaceTarget::Texture1D:
-            glTexImage1D(SurfaceTargetToGL(params.target), 0, format_tuple.internal_format,
-                         rect.GetWidth(), 0, format_tuple.format, format_tuple.type, nullptr);
+            glTexStorage1D(SurfaceTargetToGL(params.target), 1, format_tuple.internal_format,
+                           rect.GetWidth());
             break;
         case SurfaceParams::SurfaceTarget::Texture2D:
-            glTexImage2D(SurfaceTargetToGL(params.target), 0, format_tuple.internal_format,
-                         rect.GetWidth(), rect.GetHeight(), 0, format_tuple.format,
-                         format_tuple.type, nullptr);
+            glTexStorage2D(SurfaceTargetToGL(params.target), 1, format_tuple.internal_format,
+                           rect.GetWidth(), rect.GetHeight());
             break;
         case SurfaceParams::SurfaceTarget::Texture3D:
         case SurfaceParams::SurfaceTarget::Texture2DArray:
-            glTexImage3D(SurfaceTargetToGL(params.target), 0, format_tuple.internal_format,
-                         rect.GetWidth(), rect.GetHeight(), params.depth, 0, format_tuple.format,
-                         format_tuple.type, nullptr);
+            glTexStorage3D(SurfaceTargetToGL(params.target), 1, format_tuple.internal_format,
+                           rect.GetWidth(), rect.GetHeight(), params.depth);
             break;
         default:
             LOG_CRITICAL(Render_OpenGL, "Unimplemented surface target={}",
                          static_cast<u32>(params.target));
             UNREACHABLE();
-            glTexImage2D(GL_TEXTURE_2D, 0, format_tuple.internal_format, rect.GetWidth(),
-                         rect.GetHeight(), 0, format_tuple.format, format_tuple.type, nullptr);
+            glTexStorage2D(GL_TEXTURE_2D, 1, format_tuple.internal_format, rect.GetWidth(),
+                           rect.GetHeight());
         }
     }
 
-    glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_MAX_LEVEL, 0);
     glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index e36914f14..05a4a55e8 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -447,6 +447,8 @@ QStringList GMainWindow::GetUnsupportedGLExtensions() {
         unsupported_ext.append("ARB_texture_mirror_clamp_to_edge");
     if (!GLAD_GL_ARB_base_instance)
         unsupported_ext.append("ARB_base_instance");
+    if (!GLAD_GL_ARB_texture_storage)
+        unsupported_ext.append("ARB_texture_storage");
 
     // Extensions required to support some texture formats.
     if (!GLAD_GL_EXT_texture_compression_s3tc)
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
index 1c4717123..d213929bd 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
@@ -94,6 +94,8 @@ bool EmuWindow_SDL2::SupportsRequiredGLExtensions() {
         unsupported_ext.push_back("ARB_texture_mirror_clamp_to_edge");
     if (!GLAD_GL_ARB_base_instance)
         unsupported_ext.push_back("ARB_base_instance");
+    if (!GLAD_GL_ARB_texture_storage)
+        unsupported_ext.push_back("ARB_texture_storage");
 
     // Extensions required to support some texture formats.
     if (!GLAD_GL_EXT_texture_compression_s3tc)