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Use IUniformBuffer

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This commit is contained in:
Christoph Oelckers 2018-06-12 13:00:40 +02:00
parent 20e84fff5a
commit 4ddd9dde79
3 changed files with 16 additions and 10 deletions
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24
src/gl/shaders/gl_shaderprogram.h
View file

@ -1,6 +1,9 @@
#pragma once
#include "hwrenderer/data/uniformbuffer.h"
#include "v_video.h"
#include "gl/data/gl_uniformbuffer.h"
#include "gl_shader.h"
enum class UniformType
@ -41,8 +44,8 @@ public:
~ShaderUniforms()
{
if (mBufferHandle)
glDeleteBuffers(1, &mBufferHandle);
if (mBuffer != nullptr)
delete mBuffer;
}
FString CreateDeclaration(const char *name, const std::vector<UniformFieldDesc> &fields)
@ -50,7 +53,7 @@ public:
mFields = fields;
FString decl;
decl.Format("layout(std140) uniform %s\n{\n", name);
decl.Format("layout(%s) uniform %s\n{\n", screen->GetUniformLayoutString(mBindingPoint).GetChars(), name);
for (const auto &field : fields)
{
decl.AppendFormat("\t%s %s;\n", GetTypeStr(field.Type), field.Name);
@ -62,16 +65,17 @@ public:
void Init()
{
if (!mBufferHandle)
glGenBuffers(1, (GLuint*)&mBufferHandle);
if (mBuffer == nullptr)
mBuffer = screen->CreateUniformBuffer(sizeof(T));
}
void Set(int index)
{
glBindBuffer(GL_UNIFORM_BUFFER, mBufferHandle);
glBufferData(GL_UNIFORM_BUFFER, sizeof(T), &Values, GL_STREAM_DRAW);
if (mBuffer != nullptr)
mBuffer->SetData(&Values);
glBindBufferBase(GL_UNIFORM_BUFFER, index, mBufferHandle);
// Needs to be done in an API independent way!
glBindBufferBase(GL_UNIFORM_BUFFER, index, ((GLUniformBuffer*)mBuffer)->ID());
}
T *operator->() { return &Values; }
@ -103,9 +107,9 @@ private:
}
}
GLuint mBufferHandle = 0;
IUniformBuffer *mBuffer = nullptr;
std::vector<UniformFieldDesc> mFields;
std::vector<int> mUniformLocations;
int mBindingPoint; // Fixme: This needs to be known on init because Vulkan wants to put it into the block declaration.
};
class FShaderProgram

1
src/gl/system/gl_framebuffer.h
View file

@ -45,6 +45,7 @@ public:
void SetViewportRects(IntRect *bounds) override;
void BlurScene(float amount) override;
IUniformBuffer *CreateUniformBuffer(size_t size, bool staticuse = false) override;
virtual FString GetUniformLayoutString(int bindingpoint) { return "std140"; }
// Retrieves a buffer containing image data for a screenshot.

1
src/v_video.h
View file

@ -416,6 +416,7 @@ public:
// Interface to hardware rendering resources
virtual IUniformBuffer *CreateUniformBuffer(size_t size, bool staticuse = false) { return nullptr; }
virtual FString GetUniformLayoutString(int bindingpoint) { return ""; }
// Begin 2D drawing operations.
// Returns true if hardware-accelerated 2D has been entered, false if not.