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Texture binding

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Aiden
2026-05-08 17:04:28 +10:00
parent 7d8f9a39d1
commit f458eb0130
7 changed files with 181 additions and 78 deletions
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22
apps/LoopThroughWithOpenGLCompositing/gl/shader/ShaderTextureBindings.h
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@@ -11,8 +11,30 @@ class ShaderTextureBindings
public:
using LayerProgram = OpenGLRenderer::LayerProgram;
struct RuntimeTextureBinding
{
std::string semanticName;
std::string samplerName;
GLuint texture = 0;
GLuint textureUnit = 0;
};
struct RuntimeTextureBindingPlan
{
std::vector<RuntimeTextureBinding> bindings;
};
bool LoadTextureAsset(const ShaderTextureAsset& textureAsset, GLuint& textureId, std::string& error);
void CreateTextBindings(const RuntimeRenderState& state, std::vector<LayerProgram::TextBinding>& textBindings);
bool UpdateTextBindingTexture(const RuntimeRenderState& state, LayerProgram::TextBinding& textBinding, std::string& error);
GLint FindSamplerUniformLocation(GLuint program, const std::string& samplerName) const;
GLuint ResolveShaderTextureBase(const RuntimeRenderState& state, unsigned historyCap) const;
void AssignLayerSamplerUniforms(GLuint program, const RuntimeRenderState& state, const LayerProgram& layerProgram, unsigned historyCap) const;
RuntimeTextureBindingPlan BuildLayerRuntimeBindingPlan(
const LayerProgram& layerProgram,
GLuint layerInputTexture,
const std::vector<GLuint>& sourceHistoryTextures,
const std::vector<GLuint>& temporalHistoryTextures) const;
void BindRuntimeTexturePlan(const RuntimeTextureBindingPlan& plan) const;
void UnbindRuntimeTexturePlan(const RuntimeTextureBindingPlan& plan) const;
};