diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 38 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.h | 3 |
2 files changed, 39 insertions, 2 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 77e2fd039..f217a265b 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -276,7 +276,9 @@ void RasterizerOpenGL::DrawArrays() { // TODO(bunnei): Sync framebuffer_scale uniform here // TODO(bunnei): Sync scissorbox uniform(s) here - // TODO(bunnei): Sync and bind the texture surfaces + + // Sync and bind the texture surfaces + BindTextures(); // Sync and bind the shader if (shader_dirty) { @@ -380,6 +382,39 @@ void RasterizerOpenGL::DrawArrays() { } } +void RasterizerOpenGL::BindTextures() { + using Regs = Tegra::Engines::Maxwell3D::Regs; + auto maxwell3d = Core::System::GetInstance().GPU().Get3DEngine(); + + // Each Maxwell shader stage can have an arbitrary number of textures, but we're limited to a + // certain number in OpenGL. We try to only use the minimum amount of host textures by not + // keeping a 1:1 relation between guest texture ids and host texture ids, ie, guest texture id 8 + // can be host texture id 0 if it's the only texture used in the guest shader program. + u32 host_texture_index = 0; + for (u32 stage = 0; stage < Regs::MaxShaderStage; ++stage) { + ASSERT(host_texture_index < texture_samplers.size()); + const auto textures = maxwell3d.GetStageTextures(static_cast<Regs::ShaderStage>(stage)); + for (unsigned texture_index = 0; texture_index < textures.size(); ++texture_index) { + const auto& texture = textures[texture_index]; + + if (texture.enabled) { + texture_samplers[host_texture_index].SyncWithConfig(texture.tsc); + Surface surface = res_cache.GetTextureSurface(texture); + if (surface != nullptr) { + state.texture_units[host_texture_index].texture_2d = surface->texture.handle; + } else { + // Can occur when texture addr is null or its memory is unmapped/invalid + state.texture_units[texture_index].texture_2d = 0; + } + + ++host_texture_index; + } else { + state.texture_units[texture_index].texture_2d = 0; + } + } + } +} + void RasterizerOpenGL::NotifyMaxwellRegisterChanged(u32 id) {} void RasterizerOpenGL::FlushAll() { @@ -470,7 +505,6 @@ void RasterizerOpenGL::SamplerInfo::Create() { } void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntry& config) { - GLuint s = sampler.handle; if (mag_filter != config.mag_filter) { diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index ba2113921..d868bf421 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -110,6 +110,9 @@ private: void BindFramebufferSurfaces(const Surface& color_surface, const Surface& depth_surface, bool has_stencil); + /// Binds the required textures to OpenGL before drawing a batch. + void BindTextures(); + /// Syncs the viewport to match the guest state void SyncViewport(const MathUtil::Rectangle<u32>& surfaces_rect, u16 res_scale); |