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gl_rasterizer_cache: Texture view if shader samples array but OGL is not

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When a shader samples a texture array but that texture in OpenGL is
created without layers, use a texture view to increase the texture
hierarchy. For example, instead of binding a GL_TEXTURE_2D bind a
GL_TEXTURE_2D_ARRAY view.
This commit is contained in:
ReinUsesLisp 2018-12-29 17:51:32 -03:00
parent 9a22a94a51
commit 97fb6179b9
3 changed files with 74 additions and 14 deletions
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7
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -1014,8 +1014,11 @@ u32 RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, Shader& shader,
texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);
Surface surface = res_cache.GetTextureSurface(texture, entry);
if (surface != nullptr) {
state.texture_units[current_bindpoint].texture = surface->Texture().handle;
state.texture_units[current_bindpoint].target = surface->Target();
const GLuint handle =
entry.IsArray() ? surface->TextureLayer().handle : surface->Texture().handle;
const GLenum target = entry.IsArray() ? surface->TargetLayer() : surface->Target();
state.texture_units[current_bindpoint].texture = handle;
state.texture_units[current_bindpoint].target = target;
state.texture_units[current_bindpoint].swizzle.r =
MaxwellToGL::SwizzleSource(texture.tic.x_source);
state.texture_units[current_bindpoint].swizzle.g =

49
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View file

@ -44,6 +44,17 @@ struct FormatTuple {
bool compressed;
};
static void ApplyTextureDefaults(GLenum target, u32 max_mip_level) {
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, max_mip_level - 1);
if (max_mip_level == 1) {
glTexParameterf(target, GL_TEXTURE_LOD_BIAS, 1000.0);
}
}
void SurfaceParams::InitCacheParameters(Tegra::GPUVAddr gpu_addr_) {
auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()};
const auto cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr_)};
@ -532,6 +543,9 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
glActiveTexture(GL_TEXTURE0);
const auto& format_tuple = GetFormatTuple(params.pixel_format, params.component_type);
gl_internal_format = format_tuple.internal_format;
gl_is_compressed = format_tuple.compressed;
if (!format_tuple.compressed) {
// Only pre-create the texture for non-compressed textures.
switch (params.target) {
@ -560,15 +574,7 @@ CachedSurface::CachedSurface(const SurfaceParams& params)
}
}
glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_MAG_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);
glTexParameteri(SurfaceTargetToGL(params.target), GL_TEXTURE_MAX_LEVEL,
params.max_mip_level - 1);
if (params.max_mip_level == 1) {
glTexParameterf(SurfaceTargetToGL(params.target), GL_TEXTURE_LOD_BIAS, 1000.0);
}
ApplyTextureDefaults(SurfaceTargetToGL(params.target), params.max_mip_level);
LabelGLObject(GL_TEXTURE, texture.handle, params.addr,
SurfaceParams::SurfaceTargetName(params.target));
@ -886,6 +892,31 @@ void CachedSurface::UploadGLMipmapTexture(u32 mip_map, GLuint read_fb_handle,
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
void CachedSurface::EnsureTextureView() {
if (texture_view.handle != 0)
return;
// Compressed texture are not being created with immutable storage
UNIMPLEMENTED_IF(gl_is_compressed);
const GLenum target{TargetLayer()};
texture_view.Create();
glTextureView(texture_view.handle, target, texture.handle, gl_internal_format, 0,
params.max_mip_level, 0, 1);
OpenGLState cur_state = OpenGLState::GetCurState();
const auto& old_tex = cur_state.texture_units[0];
SCOPE_EXIT({
cur_state.texture_units[0] = old_tex;
cur_state.Apply();
});
cur_state.texture_units[0].texture = texture_view.handle;
cur_state.texture_units[0].target = target;
cur_state.Apply();
ApplyTextureDefaults(target, params.max_mip_level);
}
MICROPROFILE_DEFINE(OpenGL_TextureUL, "OpenGL", "Texture Upload", MP_RGB(128, 192, 64));
void CachedSurface::UploadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle) {
if (params.type == SurfaceType::Fill)

32
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View file

@ -293,10 +293,31 @@ public:
return texture;
}
const OGLTexture& TextureLayer() {
if (params.is_layered) {
return Texture();
}
EnsureTextureView();
return texture_view;
}
GLenum Target() const {
return gl_target;
}
GLenum TargetLayer() const {
using VideoCore::Surface::SurfaceTarget;
switch (params.target) {
case SurfaceTarget::Texture1D:
return GL_TEXTURE_1D_ARRAY;
case SurfaceTarget::Texture2D:
return GL_TEXTURE_2D_ARRAY;
case SurfaceTarget::TextureCubemap:
return GL_TEXTURE_CUBE_MAP_ARRAY;
}
return Target();
}
const SurfaceParams& GetSurfaceParams() const {
return params;
}
@ -311,11 +332,16 @@ public:
private:
void UploadGLMipmapTexture(u32 mip_map, GLuint read_fb_handle, GLuint draw_fb_handle);
void EnsureTextureView();
OGLTexture texture;
OGLTexture texture_view;
std::vector<std::vector<u8>> gl_buffer;
SurfaceParams params;
GLenum gl_target;
std::size_t cached_size_in_bytes;
SurfaceParams params{};
GLenum gl_target{};
GLenum gl_internal_format{};
bool gl_is_compressed{};
std::size_t cached_size_in_bytes{};
};
class RasterizerCacheOpenGL final : public RasterizerCache<Surface> {