gl: cleanup and refactor
- allow frame and filterchain init to take optional config object by caller - allow binding MVP as a uniform
This commit is contained in:
parent
964da02c39
commit
9e2c914e57
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@ -392,7 +392,7 @@ impl FilterChain {
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let semantics = ReflectSemantics {
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let semantics = ReflectSemantics {
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uniform_semantics,
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uniform_semantics,
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non_uniform_semantics: texture_semantics,
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texture_semantics: texture_semantics,
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};
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};
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Ok((passes, semantics))
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Ok((passes, semantics))
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@ -1,8 +1,5 @@
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use gl::types::GLint;
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use gl::types::GLint;
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use librashader_reflect::reflect::semantics::{
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use librashader_reflect::reflect::semantics::{BindingStage, MemberOffset};
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MemberOffset, SemanticMap, TextureSemantics, VariableSemantics,
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};
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use std::hash::Hash;
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#[derive(Debug)]
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#[derive(Debug)]
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pub enum VariableLocation {
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pub enum VariableLocation {
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@ -25,24 +22,22 @@ pub struct UniformLocation<T> {
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}
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}
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impl UniformLocation<GLint> {
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impl UniformLocation<GLint> {
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pub fn is_fragment_valid(&self) -> bool {
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// pub fn is_fragment_valid(&self) -> bool {
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self.fragment >= 0
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// self.fragment >= 0
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}
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// }
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//
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// pub fn is_vertex_valid(&self) -> bool {
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// self.vertex >= 0
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// }
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pub fn is_vertex_valid(&self) -> bool {
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pub fn is_valid(&self, stage: BindingStage) -> bool {
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self.vertex >= 0
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let mut validity = false;
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}
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if stage.contains(BindingStage::FRAGMENT) {
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validity = validity || self.fragment >= 0;
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pub fn is_valid(&self) -> bool {
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}
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self.is_fragment_valid() || self.is_vertex_valid()
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if stage.contains(BindingStage::VERTEX) {
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validity = validity || self.vertex >= 0;
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}
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validity
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}
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}
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}
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}
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#[derive(Debug, Copy, Clone)]
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pub enum MemberLocation {
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Offset(MemberOffset),
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Uniform(UniformLocation<GLint>),
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}
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#[derive(Debug, Copy, Clone)]
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pub struct TextureUnit<T>(T);
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@ -4,10 +4,10 @@ use crate::framebuffer::{Framebuffer, GlImage, Viewport};
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use crate::quad_render::DrawQuad;
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use crate::quad_render::DrawQuad;
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use crate::render_target::RenderTarget;
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use crate::render_target::RenderTarget;
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use crate::util;
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use crate::util;
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use crate::util::{gl_get_version, InlineRingBuffer};
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use crate::util::{gl_get_version, gl_u16_to_version, InlineRingBuffer};
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use crate::error::{FilterChainError, Result};
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use crate::error::{FilterChainError, Result};
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use gl::types::{GLenum, GLint, GLsizei, GLsizeiptr, GLuint};
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use gl::types::{GLint, GLsizei, GLsizeiptr, GLuint};
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use librashader_common::image::Image;
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use librashader_common::image::Image;
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use librashader_common::{FilterMode, Size, WrapMode};
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use librashader_common::{FilterMode, Size, WrapMode};
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use librashader_preprocess::ShaderSource;
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use librashader_preprocess::ShaderSource;
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@ -22,6 +22,7 @@ use std::collections::VecDeque;
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use std::path::Path;
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use std::path::Path;
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use librashader_reflect::back::{CompilerBackend, CompileShader, FromCompilation};
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use librashader_reflect::back::{CompilerBackend, CompileShader, FromCompilation};
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use librashader_reflect::front::shaderc::GlslangCompilation;
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use librashader_reflect::front::shaderc::GlslangCompilation;
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use crate::options::{FilterChainOptions, FrameOptions};
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use crate::samplers::SamplerSet;
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use crate::samplers::SamplerSet;
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use crate::texture::Texture;
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use crate::texture::Texture;
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@ -133,11 +134,14 @@ type ShaderPassMeta<'a> = (
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impl FilterChain {
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impl FilterChain {
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/// Load a filter chain from a pre-parsed `ShaderPreset`.
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/// Load a filter chain from a pre-parsed `ShaderPreset`.
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pub fn load_from_preset(preset: ShaderPreset) -> Result<FilterChain> {
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pub fn load_from_preset(preset: ShaderPreset, options: Option<&FilterChainOptions>) -> Result<FilterChain> {
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let (passes, semantics) = FilterChain::load_preset(&preset)?;
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let (passes, semantics) = FilterChain::load_preset(&preset)?;
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let version = options.map(|o| gl_u16_to_version(o.gl_version))
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.unwrap_or_else(|| gl_get_version());
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// initialize passes
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// initialize passes
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let filters = FilterChain::init_passes(passes, &semantics)?;
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let filters = FilterChain::init_passes(version, passes, &semantics)?;
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let default_filter = filters.first().map(|f| f.config.filter).unwrap_or_default();
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let default_filter = filters.first().map(|f| f.config.filter).unwrap_or_default();
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let default_wrap = filters
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let default_wrap = filters
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@ -160,7 +164,7 @@ impl FilterChain {
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feedback_textures.resize_with(filters.len(), Texture::default);
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feedback_textures.resize_with(filters.len(), Texture::default);
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// load luts
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// load luts
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let luts = FilterChain::load_luts(&samplers, &preset.textures)?;
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let luts = FilterChain::load_luts(&preset.textures)?;
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let (history_framebuffers, history_textures) =
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let (history_framebuffers, history_textures) =
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FilterChain::init_history(&filters, default_filter, default_wrap);
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FilterChain::init_history(&filters, default_filter, default_wrap);
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@ -194,10 +198,10 @@ impl FilterChain {
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}
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}
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/// Load the shader preset at the given path into a filter chain.
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/// Load the shader preset at the given path into a filter chain.
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pub fn load_from_path(path: impl AsRef<Path>) -> Result<FilterChain> {
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pub fn load_from_path(path: impl AsRef<Path>, options: Option<&FilterChainOptions>) -> Result<FilterChain> {
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// load passes from preset
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// load passes from preset
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let preset = ShaderPreset::try_parse(path)?;
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let preset = ShaderPreset::try_parse(path)?;
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Self::load_from_preset(preset)
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Self::load_from_preset(preset, options)
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}
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}
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fn load_preset(
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fn load_preset(
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@ -260,13 +264,13 @@ impl FilterChain {
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let semantics = ReflectSemantics {
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let semantics = ReflectSemantics {
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uniform_semantics,
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uniform_semantics,
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non_uniform_semantics: texture_semantics,
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texture_semantics,
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};
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};
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Ok((passes, semantics))
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Ok((passes, semantics))
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}
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}
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fn load_luts(samplers: &SamplerSet, textures: &[TextureConfig]) -> Result<FxHashMap<usize, Texture>> {
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fn load_luts(textures: &[TextureConfig]) -> Result<FxHashMap<usize, Texture>> {
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let mut luts = FxHashMap::default();
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let mut luts = FxHashMap::default();
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for (index, texture) in textures.iter().enumerate() {
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for (index, texture) in textures.iter().enumerate() {
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@ -305,10 +309,6 @@ impl FilterChain {
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);
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);
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let mipmap = levels > 1;
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let mipmap = levels > 1;
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// let linear = texture.filter_mode == FilterMode::Linear;
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// set mipmaps and wrapping
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if mipmap {
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if mipmap {
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gl::GenerateMipmap(gl::TEXTURE_2D);
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gl::GenerateMipmap(gl::TEXTURE_2D);
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}
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}
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@ -335,6 +335,7 @@ impl FilterChain {
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}
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}
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fn init_passes(
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fn init_passes(
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version: GlVersion,
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passes: Vec<ShaderPassMeta>,
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passes: Vec<ShaderPassMeta>,
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semantics: &ReflectSemantics,
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semantics: &ReflectSemantics,
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) -> Result<Box<[FilterPass]>> {
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) -> Result<Box<[FilterPass]>> {
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// initialize passes
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// initialize passes
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for (index, (config, source, mut reflect)) in passes.into_iter().enumerate() {
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for (index, (config, source, mut reflect)) in passes.into_iter().enumerate() {
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let reflection = reflect.reflect(index, semantics)?;
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let reflection = reflect.reflect(index, semantics)?;
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let glsl = reflect.compile(gl_get_version())?;
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let glsl = reflect.compile(version)?;
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let vertex_resources = glsl.context.compiler.vertex.get_shader_resources()?;
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let vertex_resources = glsl.context.compiler.vertex.get_shader_resources()?;
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]
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]
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.into_boxed_slice();
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.into_boxed_slice();
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// todo: reflect indexed parameters
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let mut uniform_bindings = FxHashMap::default();
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let mut uniform_bindings = FxHashMap::default();
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for param in reflection.meta.parameter_meta.values() {
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for param in reflection.meta.parameter_meta.values() {
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uniform_bindings.insert(
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uniform_bindings.insert(
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/// Process a frame with the input image.
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/// Process a frame with the input image.
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///
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///
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/// When this frame returns, GL_FRAMEBUFFER is bound to 0.
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/// When this frame returns, GL_FRAMEBUFFER is bound to 0.
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pub fn frame(&mut self, count: usize, viewport: &Viewport, input: &GlImage, clear: bool) -> Result<()> {
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pub fn frame(&mut self, count: usize, viewport: &Viewport, input: &GlImage, options: Option<&FrameOptions>) -> Result<()> {
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if clear {
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if let Some(options) = options {
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for framebuffer in &self.history_framebuffers {
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if options.clear_history {
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framebuffer.clear()
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for framebuffer in &self.history_framebuffers {
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framebuffer.clear()
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}
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}
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}
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}
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}
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use gl::types::{GLenum, GLint, GLsizei, GLsizeiptr, GLuint};
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use gl::types::{GLint, GLsizei, GLsizeiptr, GLuint};
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use librashader_reflect::back::cross::GlslangGlslContext;
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use librashader_reflect::back::cross::GlslangGlslContext;
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use librashader_reflect::back::ShaderCompilerOutput;
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use librashader_reflect::back::ShaderCompilerOutput;
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use librashader_reflect::reflect::ShaderReflection;
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use librashader_reflect::reflect::ShaderReflection;
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@ -6,7 +6,7 @@ use librashader_reflect::reflect::ShaderReflection;
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use librashader_common::{ShaderFormat, Size};
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use librashader_common::{ShaderFormat, Size};
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use librashader_preprocess::ShaderSource;
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use librashader_preprocess::ShaderSource;
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use librashader_presets::ShaderPassConfig;
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use librashader_presets::ShaderPassConfig;
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use librashader_reflect::reflect::semantics::{MemberOffset, TextureBinding, TextureSemantics, UniformBinding, VariableSemantics};
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use librashader_reflect::reflect::semantics::{BindingStage, MemberOffset, TextureBinding, TextureSemantics, UniformBinding, VariableSemantics};
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use rustc_hash::FxHashMap;
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use rustc_hash::FxHashMap;
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use crate::binding::{UniformLocation, VariableLocation};
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use crate::binding::{UniformLocation, VariableLocation};
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}
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}
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impl FilterPass {
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impl FilterPass {
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fn build_mvp(buffer: &mut [u8], mvp: &[f32]) {
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fn build_mat4(location: UniformLocation<GLint>, buffer: &mut [u8], mvp: &[f32; 16]) {
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let mvp = bytemuck::cast_slice(mvp);
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if location.is_valid(BindingStage::VERTEX | BindingStage::FRAGMENT) {
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buffer.copy_from_slice(mvp);
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unsafe {
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if location.is_valid(BindingStage::VERTEX) {
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gl::UniformMatrix4fv(location.vertex, 1, gl::FALSE, mvp.as_ptr());
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}
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if location.is_valid(BindingStage::FRAGMENT) {
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gl::UniformMatrix4fv(location.fragment, 1, gl::FALSE, mvp.as_ptr());
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}
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}
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} else {
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let mvp = bytemuck::cast_slice(mvp);
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buffer.copy_from_slice(mvp);
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}
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}
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}
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fn build_vec4(location: UniformLocation<GLint>, buffer: &mut [u8], size: impl Into<[f32; 4]>) {
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fn build_vec4(location: UniformLocation<GLint>, buffer: &mut [u8], size: impl Into<[f32; 4]>) {
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let vec4 = size.into();
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let vec4 = size.into();
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if location.fragment >= 0 || location.vertex >= 0 {
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if location.is_valid(BindingStage::VERTEX | BindingStage::FRAGMENT) {
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unsafe {
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unsafe {
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if location.vertex >= 0 {
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if location.is_valid(BindingStage::VERTEX) {
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gl::Uniform4fv(location.vertex, 1, vec4.as_ptr());
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gl::Uniform4fv(location.vertex, 1, vec4.as_ptr());
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}
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}
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if location.fragment >= 0 {
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if location.is_valid(BindingStage::FRAGMENT) {
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gl::Uniform4fv(location.fragment, 1, vec4.as_ptr());
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gl::Uniform4fv(location.fragment, 1, vec4.as_ptr());
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}
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}
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}
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}
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T: Copy,
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T: Copy,
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T: bytemuck::Pod,
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T: bytemuck::Pod,
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{
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{
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if location.fragment >= 0 || location.vertex >= 0 {
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if location.is_valid(BindingStage::VERTEX | BindingStage::FRAGMENT) {
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unsafe {
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unsafe {
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if location.vertex >= 0 {
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if location.is_valid(BindingStage::VERTEX) {
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glfn(location.vertex, value);
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glfn(location.vertex, value);
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}
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}
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if location.fragment >= 0 {
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if location.is_valid(BindingStage::FRAGMENT) {
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glfn(location.fragment, value);
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glfn(location.fragment, value);
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}
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}
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}
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}
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if self.ubo_location.vertex != gl::INVALID_INDEX {
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if self.ubo_location.vertex != gl::INVALID_INDEX {
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gl::BindBufferBase(gl::UNIFORM_BUFFER, self.ubo_location.vertex, *buffer);
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gl::BindBufferBase(gl::UNIFORM_BUFFER, self.ubo_location.vertex, *buffer);
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}
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}
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if self.ubo_location.vertex != gl::INVALID_INDEX {
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if self.ubo_location.fragment != gl::INVALID_INDEX {
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gl::BindBufferBase(gl::UNIFORM_BUFFER, self.ubo_location.fragment, *buffer);
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gl::BindBufferBase(gl::UNIFORM_BUFFER, self.ubo_location.fragment, *buffer);
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}
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}
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}
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}
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@ -233,7 +244,7 @@ impl FilterPass {
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&mut self,
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&mut self,
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pass_index: usize,
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pass_index: usize,
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parent: &FilterCommon,
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parent: &FilterCommon,
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mvp: &[f32],
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mvp: &[f32; 16],
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frame_count: u32,
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frame_count: u32,
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frame_direction: i32,
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frame_direction: i32,
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fb_size: Size<u32>,
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fb_size: Size<u32>,
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@ -242,7 +253,7 @@ impl FilterPass {
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source: &Texture,
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source: &Texture,
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) {
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) {
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// Bind MVP
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// Bind MVP
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if let Some((_location, offset)) =
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if let Some((location, offset)) =
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self.uniform_bindings.get(&VariableSemantics::MVP.into())
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self.uniform_bindings.get(&VariableSemantics::MVP.into())
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{
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{
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let mvp_size = mvp.len() * std::mem::size_of::<f32>();
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let mvp_size = mvp.len() * std::mem::size_of::<f32>();
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@ -250,7 +261,7 @@ impl FilterPass {
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MemberOffset::Ubo(offset) => (&mut self.uniform_buffer, *offset),
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MemberOffset::Ubo(offset) => (&mut self.uniform_buffer, *offset),
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MemberOffset::PushConstant(offset) => (&mut self.push_buffer, *offset),
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MemberOffset::PushConstant(offset) => (&mut self.push_buffer, *offset),
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};
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};
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FilterPass::build_mvp(&mut buffer[offset..][..mvp_size], mvp)
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FilterPass::build_mat4(location.location(), &mut buffer[offset..][..mvp_size], mvp)
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}
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}
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// bind OutputSize
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// bind OutputSize
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@ -344,7 +344,7 @@ pub struct Viewport<'a> {
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pub x: i32,
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pub x: i32,
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pub y: i32,
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pub y: i32,
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pub output: &'a Framebuffer,
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pub output: &'a Framebuffer,
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pub mvp: Option<&'a [f32]>,
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pub mvp: Option<&'a [f32; 16]>,
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}
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}
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#[derive(Default, Debug, Copy, Clone)]
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#[derive(Default, Debug, Copy, Clone)]
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@ -517,7 +517,7 @@ void main()
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padded_size: Default::default(),
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padded_size: Default::default(),
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};
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};
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filter.frame(framecount, &viewport, &rendered, false)
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filter.frame(framecount, &viewport, &rendered, None)
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.unwrap();
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.unwrap();
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unsafe {
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unsafe {
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@ -20,6 +20,7 @@ pub use framebuffer::Viewport;
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#[cfg(test)]
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#[cfg(test)]
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mod hello_triangle;
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mod hello_triangle;
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mod texture;
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mod texture;
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mod options;
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||||||
|
|
||||||
#[cfg(test)]
|
#[cfg(test)]
|
||||||
mod tests {
|
mod tests {
|
||||||
|
@ -30,7 +31,7 @@ mod tests {
|
||||||
fn triangle_gl() {
|
fn triangle_gl() {
|
||||||
let (glfw, window, events, shader, vao) = hello_triangle::setup();
|
let (glfw, window, events, shader, vao) = hello_triangle::setup();
|
||||||
let mut filter =
|
let mut filter =
|
||||||
FilterChain::load_from_path("../test/slang-shaders/crt/crt-royale.slangp")
|
FilterChain::load_from_path("../test/slang-shaders/crt/crt-royale.slangp", None)
|
||||||
.unwrap();
|
.unwrap();
|
||||||
hello_triangle::do_loop(glfw, window, events, shader, vao, &mut filter);
|
hello_triangle::do_loop(glfw, window, events, shader, vao, &mut filter);
|
||||||
}
|
}
|
||||||
|
|
11
librashader-runtime-gl/src/options.rs
Normal file
11
librashader-runtime-gl/src/options.rs
Normal file
|
@ -0,0 +1,11 @@
|
||||||
|
#[repr(C)]
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct FrameOptions {
|
||||||
|
pub clear_history: bool
|
||||||
|
}
|
||||||
|
|
||||||
|
#[repr(C)]
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
pub struct FilterChainOptions {
|
||||||
|
pub gl_version: u16
|
||||||
|
}
|
|
@ -1,7 +1,7 @@
|
||||||
use crate::framebuffer::{Framebuffer, Viewport};
|
use crate::framebuffer::{Framebuffer, Viewport};
|
||||||
|
|
||||||
#[rustfmt::skip]
|
#[rustfmt::skip]
|
||||||
static DEFAULT_MVP: &[f32] = &[
|
static DEFAULT_MVP: &[f32; 16] = &[
|
||||||
2f32, 0.0, 0.0, 0.0,
|
2f32, 0.0, 0.0, 0.0,
|
||||||
0.0, 2.0, 0.0, 0.0,
|
0.0, 2.0, 0.0, 0.0,
|
||||||
0.0, 0.0, 2.0, 0.0,
|
0.0, 0.0, 2.0, 0.0,
|
||||||
|
@ -10,14 +10,14 @@ static DEFAULT_MVP: &[f32] = &[
|
||||||
|
|
||||||
#[derive(Debug, Copy, Clone)]
|
#[derive(Debug, Copy, Clone)]
|
||||||
pub struct RenderTarget<'a> {
|
pub struct RenderTarget<'a> {
|
||||||
pub mvp: &'a [f32],
|
pub mvp: &'a [f32; 16],
|
||||||
pub framebuffer: &'a Framebuffer,
|
pub framebuffer: &'a Framebuffer,
|
||||||
pub x: i32,
|
pub x: i32,
|
||||||
pub y: i32
|
pub y: i32
|
||||||
}
|
}
|
||||||
|
|
||||||
impl<'a> RenderTarget<'a> {
|
impl<'a> RenderTarget<'a> {
|
||||||
pub fn new(backbuffer: &'a Framebuffer, mvp: Option<&'a [f32]>, x: i32, y: i32) -> Self {
|
pub fn new(backbuffer: &'a Framebuffer, mvp: Option<&'a [f32; 16]>, x: i32, y: i32) -> Self {
|
||||||
if let Some(mvp) = mvp {
|
if let Some(mvp) = mvp {
|
||||||
RenderTarget {
|
RenderTarget {
|
||||||
framebuffer: backbuffer,
|
framebuffer: backbuffer,
|
||||||
|
|
|
@ -1,8 +1,6 @@
|
||||||
use std::iter::Filter;
|
|
||||||
use gl::types::{GLenum, GLint, GLuint};
|
use gl::types::{GLenum, GLint, GLuint};
|
||||||
use rustc_hash::FxHashMap;
|
use rustc_hash::FxHashMap;
|
||||||
use librashader_common::{FilterMode, WrapMode};
|
use librashader_common::{FilterMode, WrapMode};
|
||||||
use crate::error::Result;
|
|
||||||
|
|
||||||
pub struct SamplerSet {
|
pub struct SamplerSet {
|
||||||
// todo: may need to deal with differences in mip filter.
|
// todo: may need to deal with differences in mip filter.
|
||||||
|
|
|
@ -1,6 +1,5 @@
|
||||||
use crate::framebuffer::GlImage;
|
|
||||||
use gl::types::{GLenum, GLuint};
|
use gl::types::{GLenum, GLuint};
|
||||||
use librashader_common::{FilterMode, Size, WrapMode};
|
use librashader_common::Size;
|
||||||
use librashader_reflect::back::cross::GlVersion;
|
use librashader_reflect::back::cross::GlVersion;
|
||||||
|
|
||||||
pub fn calc_miplevel(size: Size<u32>) -> u32 {
|
pub fn calc_miplevel(size: Size<u32>) -> u32 {
|
||||||
|
@ -110,4 +109,21 @@ pub fn gl_get_version() -> GlVersion {
|
||||||
_ => GlVersion::V1_50
|
_ => GlVersion::V1_50
|
||||||
}
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn gl_u16_to_version(version: u16) -> GlVersion {
|
||||||
|
match version {
|
||||||
|
300 => GlVersion::V1_30,
|
||||||
|
310 => GlVersion::V1_40,
|
||||||
|
320 => GlVersion::V1_50,
|
||||||
|
330 => GlVersion::V3_30,
|
||||||
|
400 => GlVersion::V4_00,
|
||||||
|
410 => GlVersion::V4_10,
|
||||||
|
420 => GlVersion::V4_20,
|
||||||
|
430 => GlVersion::V4_30,
|
||||||
|
440 => GlVersion::V4_40,
|
||||||
|
450 => GlVersion::V4_50,
|
||||||
|
460 => GlVersion::V4_60,
|
||||||
|
_ => GlVersion::V1_50
|
||||||
|
}
|
||||||
}
|
}
|
Loading…
Reference in a new issue