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-rw-r--r--src/Gal.hpp40
-rw-r--r--src/GalOgl.cpp65
-rw-r--r--src/Render.cpp1
-rw-r--r--src/RenderConfigs.hpp4
-rw-r--r--src/RendererWorld.cpp3
5 files changed, 78 insertions, 35 deletions
diff --git a/src/Gal.hpp b/src/Gal.hpp
index 4757e37..234e49a 100644
--- a/src/Gal.hpp
+++ b/src/Gal.hpp
@@ -20,7 +20,7 @@ namespace Gal {
struct PipelineInstance;
struct FramebufferConfig;
struct Framebuffer;
- struct ShaderParameters;
+ struct ShaderParametersBuffer;
struct Shader;
@@ -131,7 +131,7 @@ namespace Gal {
virtual std::shared_ptr<Framebuffer> GetDefaultFramebuffer() = 0;
- virtual std::shared_ptr<ShaderParameters> GetGlobalShaderParameters() = 0;
+ virtual std::shared_ptr<ShaderParametersBuffer> GetGlobalShaderParameters() = 0;
virtual std::shared_ptr<Shader> LoadVertexShader(std::string_view code) = 0;
@@ -250,34 +250,22 @@ namespace Gal {
virtual void SetTexture(size_t location, std::shared_ptr<Texture> texture) = 0;
};
- struct ShaderParameters {
- virtual ~ShaderParameters() = default;
+ struct ShaderParametersBuffer {
+ virtual ~ShaderParametersBuffer() = default;
- virtual void AddGlobalShaderParameter(std::string_view name, Type type) = 0;
+ template<typename T>
+ T* Get() {
+ return reinterpret_cast<T*>(GetDataPtr());
+ }
- virtual void SetGlobalShaderParameter(std::string_view name, float value) = 0;
+ template<typename T>
+ void Resize() {
+ Resize(sizeof(T));
+ }
- virtual void SetGlobalShaderParameter(std::string_view name, double value) = 0;
+ virtual std::byte* GetDataPtr() = 0;
- virtual void SetGlobalShaderParameter(std::string_view name, int8_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, int16_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, int32_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, uint8_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, uint16_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, uint32_t value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, glm::vec2 value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, glm::vec3 value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, glm::vec4 value) = 0;
-
- virtual void SetGlobalShaderParameter(std::string_view name, glm::mat4 value) = 0;
+ virtual void Resize(size_t newSize) = 0;
};
struct Shader {
diff --git a/src/GalOgl.cpp b/src/GalOgl.cpp
index 75369ab..854ab40 100644
--- a/src/GalOgl.cpp
+++ b/src/GalOgl.cpp
@@ -74,9 +74,10 @@ public:
using namespace Gal;
-class ImplOgl;
-class ShaderOgl;
-class FramebufferOgl;
+struct ImplOgl;
+struct ShaderOgl;
+struct FramebufferOgl;
+struct ShaderParametersBufferOgl;
class OglState {
GLuint activeFbo = 0;
@@ -165,6 +166,7 @@ public:
std::unique_ptr<ImplOgl> impl;
std::shared_ptr<FramebufferOgl> fbDefault;
+std::shared_ptr<ShaderParametersBufferOgl> spbDefault;
size_t GalTypeGetComponents(Gal::Type type) {
switch (type) {
@@ -731,6 +733,22 @@ struct FramebufferConfigOgl : public FramebufferConfig {
}
};
+struct ShaderParametersBufferOgl : public ShaderParametersBuffer {
+ std::shared_ptr<BufferOgl> buffer;
+ bool dirty = true;
+ std::vector<std::byte> data;
+
+ virtual std::byte* GetDataPtr() override {
+ dirty = true;
+ return data.data();
+ }
+
+ virtual void Resize(size_t newSize) override {
+ dirty = true;
+ data.resize(newSize);
+ }
+};
+
struct PipelineConfigOgl : public PipelineConfig {
std::shared_ptr<ShaderOgl> vertexShader, pixelShader;
@@ -834,7 +852,7 @@ struct PipelineInstanceOgl : public PipelineInstance {
};
struct PipelineOgl : public Pipeline {
-
+ std::vector<std::shared_ptr<ShaderParametersBufferOgl>> spbs;
std::map<std::string, size_t> shaderParameters;
std::vector<std::shared_ptr<TextureOgl>> staticTextures;
GlResource program;
@@ -861,6 +879,13 @@ struct PipelineOgl : public Pipeline {
for (size_t i = 0; i < staticTextures.size(); i++) {
oglState.BindTexture(staticTextures[i]->type, staticTextures[i]->texture, i);
}
+
+ for (auto& spb : spbs) {
+ if (spb->dirty) {
+ spb->buffer->SetData(std::vector<std::byte>(spb->data));
+ spb->dirty = false;
+ }
+ }
}
virtual void SetDynamicTexture(std::string_view name, std::shared_ptr<Texture> texture) override {
@@ -1206,6 +1231,23 @@ struct ImplOgl : public Impl {
/*
+ * Shader parameters buffers
+ */
+ constexpr auto spbGlobalsName = "Globals";
+ size_t spbGlobalsBind = 0;
+ size_t spbIndex = glGetUniformBlockIndex(program, spbGlobalsName);
+ if (spbIndex != GL_INVALID_VALUE) {
+ glUniformBlockBinding(program, spbIndex, spbGlobalsBind);
+ auto spbGlobals = std::static_pointer_cast<ShaderParametersBufferOgl, ShaderParametersBuffer>(GetGlobalShaderParameters());
+ glBindBufferBase(GL_UNIFORM_BUFFER, spbGlobalsBind, spbGlobals->buffer->vbo);
+ pipeline->spbs.emplace_back(spbGlobals);
+ }
+ else
+ LOG(ERROR) << "Cannot bind Globals UBO to shader. Maybe uniform block Globals missing?";
+ glCheckError();
+
+
+ /*
* Shader parameters
*/
for (auto&& [name, type] : config->shaderParameters) {
@@ -1323,16 +1365,21 @@ struct ImplOgl : public Impl {
}
virtual std::shared_ptr<Framebuffer> GetDefaultFramebuffer() override {
- if (!fbDefault)
+ if (!fbDefault) {
fbDefault = std::make_shared<FramebufferOgl>();
- fbDefault->fbo = GlResource(0, GlResourceType::None);
- fbDefault->attachments.push_back(GL_COLOR_ATTACHMENT0);
+ fbDefault->fbo = GlResource(0, GlResourceType::None);
+ fbDefault->attachments.push_back(GL_COLOR_ATTACHMENT0);
+ }
return std::static_pointer_cast<Framebuffer, FramebufferOgl>(fbDefault);
}
- virtual std::shared_ptr<ShaderParameters> GetGlobalShaderParameters() override {
- return nullptr;
+ virtual std::shared_ptr<ShaderParametersBuffer> GetGlobalShaderParameters() override {
+ if (!spbDefault) {
+ spbDefault = std::make_shared<ShaderParametersBufferOgl>();
+ spbDefault->buffer = std::static_pointer_cast<BufferOgl, Buffer>(GetImplementation()->CreateBuffer());
+ }
+ return spbDefault;
}
virtual std::shared_ptr<Shader> LoadVertexShader(std::string_view code) override {
diff --git a/src/Render.cpp b/src/Render.cpp
index fadec80..8a5253c 100644
--- a/src/Render.cpp
+++ b/src/Render.cpp
@@ -123,6 +123,7 @@ void Render::InitSdl(unsigned int WinWidth, unsigned int WinHeight, std::string
void Render::InitGlew() {
auto gal = Gal::GetImplementation();
gal->Init();
+ gal->GetGlobalShaderParameters()->Resize<GlobalShaderParameters>();
int width, height;
SDL_GL_GetDrawableSize(window, &width, &height);
diff --git a/src/RenderConfigs.hpp b/src/RenderConfigs.hpp
index 793dbb2..a9d6c00 100644
--- a/src/RenderConfigs.hpp
+++ b/src/RenderConfigs.hpp
@@ -2,6 +2,10 @@
#include "Gal.hpp"
+struct GlobalShaderParameters {
+ glm::mat4 projView;
+};
+
std::shared_ptr<Gal::Shader> LoadVertexShader(std::string_view assetPath);
std::shared_ptr<Gal::Shader> LoadPixelShader(std::string_view assetPath);
diff --git a/src/RendererWorld.cpp b/src/RendererWorld.cpp
index d2c69fd..2434ed1 100644
--- a/src/RendererWorld.cpp
+++ b/src/RendererWorld.cpp
@@ -12,6 +12,7 @@
#include "Section.hpp"
#include "RendererSectionData.hpp"
#include "Game.hpp"
+#include "RenderConfigs.hpp"
void RendererWorld::WorkerFunction(size_t workerId) {
OPTICK_THREAD("Worker");
@@ -289,6 +290,8 @@ void RendererWorld::Render(float screenRatio) {
glm::mat4 view = GetGameState()->GetViewMatrix();
glm::mat4 projView = projection * view;
+ Gal::GetImplementation()->GetGlobalShaderParameters()->Get<GlobalShaderParameters>()->projView = projView;
+
//Render Entities
constexpr size_t entitiesVerticesCount = 240;
entitiesPipeline->Activate();