video_core: Use sampler IDs instead pointers in the pipeline config

The previous approach of storing pointers returned by `GetGraphicsSampler`/`GetComputeSampler` caused UB, as these functions can cause reallocation of the sampler slot vector and therefore invalidate the pointers
This commit is contained in:
Wollnashorn 2023-06-16 13:26:44 +02:00
parent a3b7b5b22a
commit 2dc0ff79ec
8 changed files with 68 additions and 23 deletions

View file

@ -87,7 +87,8 @@ void ComputePipeline::Configure() {
texture_cache.SynchronizeComputeDescriptors();
boost::container::static_vector<VideoCommon::ImageViewInOut, MAX_TEXTURES + MAX_IMAGES> views;
std::array<GLuint, MAX_TEXTURES> samplers;
boost::container::static_vector<VideoCommon::SamplerId, MAX_TEXTURES> samplers;
std::array<GLuint, MAX_TEXTURES> gl_samplers;
std::array<GLuint, MAX_TEXTURES> textures;
std::array<GLuint, MAX_IMAGES> images;
GLsizei sampler_binding{};
@ -131,7 +132,6 @@ void ComputePipeline::Configure() {
for (u32 index = 0; index < desc.count; ++index) {
const auto handle{read_handle(desc, index)};
views.push_back({handle.first});
samplers[sampler_binding++] = 0;
}
}
for (const auto& desc : info.image_buffer_descriptors) {
@ -142,8 +142,8 @@ void ComputePipeline::Configure() {
const auto handle{read_handle(desc, index)};
views.push_back({handle.first});
Sampler* const sampler = texture_cache.GetComputeSampler(handle.second);
samplers[sampler_binding++] = sampler->Handle();
VideoCommon::SamplerId sampler = texture_cache.GetComputeSamplerId(handle.second);
samplers.push_back(sampler);
}
}
for (const auto& desc : info.image_descriptors) {
@ -186,10 +186,17 @@ void ComputePipeline::Configure() {
const VideoCommon::ImageViewInOut* views_it{views.data() + num_texture_buffers +
num_image_buffers};
const VideoCommon::SamplerId* samplers_it{samplers.data()};
texture_binding += num_texture_buffers;
image_binding += num_image_buffers;
u32 texture_scaling_mask{};
for (const auto& desc : info.texture_buffer_descriptors) {
for (u32 index = 0; index < desc.count; ++index) {
gl_samplers[sampler_binding++] = 0;
}
}
for (const auto& desc : info.texture_descriptors) {
for (u32 index = 0; index < desc.count; ++index) {
ImageView& image_view{texture_cache.GetImageView((views_it++)->id)};
@ -198,6 +205,12 @@ void ComputePipeline::Configure() {
texture_scaling_mask |= 1u << texture_binding;
}
++texture_binding;
const Sampler& sampler{texture_cache.GetSampler(*(samplers_it++))};
const bool use_fallback_sampler{sampler.HasAddedAnisotropy() &&
!image_view.SupportsAnisotropy()};
gl_samplers[sampler_binding++] =
use_fallback_sampler ? sampler.HandleWithDefaultAnisotropy() : sampler.Handle();
}
}
u32 image_scaling_mask{};
@ -228,7 +241,7 @@ void ComputePipeline::Configure() {
if (texture_binding != 0) {
ASSERT(texture_binding == sampler_binding);
glBindTextures(0, texture_binding, textures.data());
glBindSamplers(0, sampler_binding, samplers.data());
glBindSamplers(0, sampler_binding, gl_samplers.data());
}
if (image_binding != 0) {
glBindImageTextures(0, image_binding, images.data());

View file

@ -275,7 +275,7 @@ GraphicsPipeline::GraphicsPipeline(const Device& device, TextureCache& texture_c
template <typename Spec>
void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
std::array<VideoCommon::ImageViewInOut, MAX_TEXTURES + MAX_IMAGES> views;
std::array<const Sampler*, MAX_TEXTURES> samplers;
std::array<VideoCommon::SamplerId, MAX_TEXTURES> samplers;
size_t views_index{};
size_t samplers_index{};
@ -350,7 +350,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
const auto handle{read_handle(desc, index)};
views[views_index++] = {handle.first};
Sampler* const sampler{texture_cache.GetGraphicsSampler(handle.second)};
VideoCommon::SamplerId sampler{texture_cache.GetGraphicsSamplerId(handle.second)};
samplers[samplers_index++] = sampler;
}
}
@ -444,7 +444,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
program_manager.BindSourcePrograms(source_programs);
}
const VideoCommon::ImageViewInOut* views_it{views.data()};
const Sampler** samplers_it{samplers.data()};
const VideoCommon::SamplerId* samplers_it{samplers.data()};
GLsizei texture_binding = 0;
GLsizei image_binding = 0;
GLsizei sampler_binding{};
@ -484,7 +484,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
++texture_binding;
++stage_texture_binding;
const Sampler& sampler{**(samplers_it++)};
const Sampler& sampler{texture_cache.GetSampler(*(samplers_it++))};
const bool use_fallback_sampler{sampler.HasAddedAnisotropy() &&
!image_view.SupportsAnisotropy()};
gl_samplers[sampler_binding++] =