dahjah/Lime3DS
1
0
Fork 0
mirror of https://github.com/Lime3DS/Lime3DS.git synced 2026-05-12 15:49:39 -06:00
Code Issues Packages Projects Releases Wiki Activity

Optimize texture state changes: avoid redundant texture and sampler binds in OpenGL rasterizer

Browse Source
This commit is contained in:
jbm11208 2025-05-12 01:02:51 -04:00 committed by OpenSauce
parent 5c35027f0d
commit bb20404835
1 changed files with 19 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -661,13 +661,18 @@ void RasterizerOpenGL::SyncTextureUnits(const Framebuffer* framebuffer) {
user_config = {};
const auto pica_textures = regs.texturing.GetTextures();
static std::array<GLuint, 3> last_bound_texture = {0, 0, 0};
static std::array<GLuint, 3> last_bound_sampler = {0, 0, 0};
for (u32 texture_index = 0; texture_index < pica_textures.size(); ++texture_index) {
const auto& texture = pica_textures[texture_index];
// If the texture unit is disabled unbind the corresponding gl unit
if (!texture.enabled) {
const Surface& null_surface = res_cache.GetSurface(VideoCore::NULL_SURFACE_ID);
state.texture_units[texture_index].texture_2d = null_surface.Handle();
if (last_bound_texture[texture_index] != null_surface.Handle()) {
state.texture_units[texture_index].texture_2d = null_surface.Handle();
last_bound_texture[texture_index] = null_surface.Handle();
}
continue;
}
@ -677,7 +682,10 @@ void RasterizerOpenGL::SyncTextureUnits(const Framebuffer* framebuffer) {
case TextureType::Shadow2D: {
Surface& surface = res_cache.GetTextureSurface(texture);
surface.flags |= VideoCore::SurfaceFlagBits::ShadowMap;
state.image_shadow_texture_px = surface.Handle();
if (last_bound_texture[texture_index] != surface.Handle()) {
state.image_shadow_texture_px = surface.Handle();
last_bound_texture[texture_index] = surface.Handle();
}
continue;
}
case TextureType::ShadowCube: {
@ -695,13 +703,19 @@ void RasterizerOpenGL::SyncTextureUnits(const Framebuffer* framebuffer) {
// Sync texture unit sampler
Sampler& sampler = res_cache.GetSampler(texture.config);
state.texture_units[texture_index].sampler = sampler.Handle();
if (last_bound_sampler[texture_index] != sampler.Handle()) {
state.texture_units[texture_index].sampler = sampler.Handle();
last_bound_sampler[texture_index] = sampler.Handle();
}
// Bind the texture provided by the rasterizer cache
Surface& surface = res_cache.GetTextureSurface(texture);
if (!IsFeedbackLoop(texture_index, framebuffer, surface)) {
BindMaterial(texture_index, surface);
state.texture_units[texture_index].texture_2d = surface.Handle();
if (last_bound_texture[texture_index] != surface.Handle()) {
BindMaterial(texture_index, surface);
state.texture_units[texture_index].texture_2d = surface.Handle();
last_bound_texture[texture_index] = surface.Handle();
}
}
}