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lots of initial GLES3 renderer implementation

This commit is contained in:
Jack Andersen 2015-10-28 18:44:38 -10:00
parent 3db5a7e211
commit 5435f01d20
17 changed files with 1127 additions and 125 deletions
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18
CMakeLists.txt
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@ -10,7 +10,10 @@ if(WIN32)
lib/win/ApplicationWin32.cpp
lib/win/WindowWin32.cpp
lib/inputdev/HIDListenerWinUSB.cpp
lib/inputdev/HIDDeviceWinUSB.cpp)
lib/inputdev/HIDDeviceWinUSB.cpp
lib/graphicsdev/D3D11.cpp
lib/graphicsdev/D3D12.cpp
lib/graphicsdev/GLES3.cpp)
list(APPEND _BOO_SYS_LIBS Winusb)
elseif(APPLE)
list(APPEND PLAT_SRCS
@ -18,7 +21,8 @@ elseif(APPLE)
lib/mac/WindowCocoa.mm
lib/mac/GLViewCocoa.mm
lib/inputdev/HIDListenerIOKit.cpp
lib/inputdev/HIDDeviceIOKit.cpp)
lib/inputdev/HIDDeviceIOKit.cpp
lib/graphicsdev/GLES3.cpp)
find_library(APPKIT_LIBRARY AppKit)
find_library(IOKIT_LIBRARY IOKit)
find_library(OPENGL_LIBRARY OpenGL)
@ -30,9 +34,9 @@ else()
lib/x11/ApplicationWayland.hpp
lib/x11/WindowXCB.cpp
lib/x11/WindowWayland.cpp
lib/x11/GraphicsContextWayland.cpp
lib/inputdev/HIDListenerUdev.cpp
lib/inputdev/HIDDeviceUdev.cpp)
lib/inputdev/HIDDeviceUdev.cpp
lib/graphicsdev/GLES3.cpp)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
@ -94,6 +98,12 @@ add_library(Boo
include/boo/inputdev/IHIDListener.hpp
lib/inputdev/IHIDDevice.hpp
include/boo/IGraphicsContext.hpp
include/boo/graphicsdev/IGraphicsDataFactory.hpp
include/boo/graphicsdev/IGraphicsCommandQueue.hpp
include/boo/graphicsdev/GLES3.hpp
include/boo/graphicsdev/D3D11.hpp
include/boo/graphicsdev/D3D12.hpp
include/boo/graphicsdev/Metal.hpp
include/boo/IWindow.hpp
include/boo/IApplication.hpp
include/boo/System.hpp

4
include/boo/IApplication.hpp
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@ -14,7 +14,7 @@ class IApplication;
struct IApplicationCallback
{
virtual void appMain(IApplication*) {}
virtual int appMain(IApplication*) {}
virtual void appQuitting(IApplication*) {}
virtual void appFilesOpen(IApplication*, const std::vector<SystemString>&) {}
};
@ -51,7 +51,7 @@ public:
virtual const std::vector<SystemString>& getArgs() const=0;
/* Constructors/initializers for sub-objects */
virtual IWindow* newWindow(const SystemString& title)=0;
virtual std::unique_ptr<IWindow> newWindow(const SystemString& title)=0;
};

8
include/boo/IGraphicsContext.hpp
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@ -1,8 +1,13 @@
#ifndef IGFXCONTEXT_HPP
#define IGFXCONTEXT_HPP
#include <memory>
#include <stdint.h>
namespace boo
{
struct IGraphicsCommandQueue;
struct IGraphicsDataFactory;
class IGraphicsContext
{
@ -42,6 +47,9 @@ public:
virtual void initializeContext()=0;
virtual void makeCurrent()=0;
virtual std::unique_ptr<IGraphicsCommandQueue> createCommandQueue()=0;
virtual std::unique_ptr<IGraphicsDataFactory> createDataFactory()=0;
};
}

2
include/boo/IWindow.hpp
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@ -134,7 +134,7 @@ public:
virtual bool isFullscreen() const=0;
virtual void setFullscreen(bool fs)=0;
virtual void waitForRetrace()=0;
virtual size_t waitForRetrace(size_t lastCount)=0;
virtual uintptr_t getPlatformHandle() const=0;
virtual void _incomingEvent(void* event) {(void)event;}

15
include/boo/graphicsdev/D3D11.hpp Normal file
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@ -0,0 +1,15 @@
#ifndef GDEV_D3D11_HPP
#define GDEV_D3D11_HPP
#include "IGraphicsDataFactory.hpp"
namespace boo
{
class D3D11DataFactory : public IGraphicsDataFactory
{
};
}
#endif // GDEV_D3D11_HPP

15
include/boo/graphicsdev/D3D12.hpp Normal file
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@ -0,0 +1,15 @@
#ifndef GDEV_D3D12_HPP
#define GDEV_D3D12_HPP
#include "IGraphicsDataFactory.hpp"
namespace boo
{
class D3D12DataFactory : public IGraphicsDataFactory
{
};
}
#endif // GDEV_D3D12_HPP

66
include/boo/graphicsdev/GLES3.hpp Normal file
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@ -0,0 +1,66 @@
#ifndef GDEV_GLES3_HPP
#define GDEV_GLES3_HPP
#include "IGraphicsDataFactory.hpp"
#include "IGraphicsCommandQueue.hpp"
#include <GLES3/gl3.h>
#include <vector>
namespace boo
{
class GLES3VertexArray
{
friend class GLES3DataFactory;
GLuint m_vao = 0;
bool initObjects();
void clearObjects();
GLES3VertexArray() = default;
public:
operator bool() const {return m_vao != 0;}
~GLES3VertexArray() {clearObjects();}
GLES3VertexArray& operator=(const GLES3VertexArray&) = delete;
GLES3VertexArray(const GLES3VertexArray&) = delete;
GLES3VertexArray& operator=(GLES3VertexArray&& other)
{
m_vao = other.m_vao;
other.m_vao = 0;
return *this;
}
GLES3VertexArray(GLES3VertexArray&& other) {*this = std::move(other);}
};
class GLES3DataFactory : public IGraphicsDataFactory
{
std::unique_ptr<IGraphicsData> m_deferredData;
public:
GLES3DataFactory();
Platform platform() const {return PlatformOGLES3;}
const char* platformName() const {return "OpenGL ES 3.0";}
const IGraphicsBufferS* newStaticBuffer(BufferUse use, const void* data, size_t sz);
IGraphicsBufferD* newDynamicBuffer(BufferUse use);
GLES3VertexArray newVertexArray(size_t elementCount, const VertexElementDescriptor* elements);
const ITextureS* newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz);
ITextureD* newDynamicTexture(size_t width, size_t height, TextureFormat fmt);
const IShaderPipeline* newShaderPipeline(const char* vertSource, const char* fragSource,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling);
const IShaderDataBinding*
newShaderDataBinding(const IShaderPipeline* pipeline,
size_t bufCount, const IGraphicsBuffer** bufs,
size_t texCount, const ITexture** texs);
void reset();
std::unique_ptr<IGraphicsData> commit();
};
}
#endif // GDEV_GLES3_HPP

39
include/boo/graphicsdev/IGraphicsCommandQueue.hpp Normal file
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@ -0,0 +1,39 @@
#ifndef IGFXCOMMANDQUEUE_HPP
#define IGFXCOMMANDQUEUE_HPP
#include "IGraphicsDataFactory.hpp"
namespace boo
{
struct IGraphicsCommandQueue
{
virtual ~IGraphicsCommandQueue() {}
using Platform = IGraphicsDataFactory::Platform;
virtual Platform platform() const=0;
virtual const char* platformName() const=0;
virtual void setShaderDataBinding(const IShaderDataBinding* binding)=0;
virtual void setRenderTarget(const ITextureD* target)=0;
virtual void setClearColor(const float rgba[4])=0;
virtual void clearTarget(bool render=true, bool depth=true)=0;
enum Primitive
{
PrimitiveTriangles,
TrimitiveTriStrips
};
virtual void setDrawPrimitive(Primitive prim)=0;
virtual void draw(size_t start, size_t count)=0;
virtual void drawIndexed(size_t start, size_t count)=0;
virtual void drawInstances(size_t start, size_t count, size_t instCount)=0;
virtual void drawInstancesIndexed(size_t start, size_t count, size_t instCount)=0;
virtual void execute()=0;
};
}
#endif // IGFXCOMMANDQUEUE_HPP

158
include/boo/graphicsdev/IGraphicsDataFactory.hpp Normal file
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@ -0,0 +1,158 @@
#ifndef IGFXDATAFACTORY_HPP
#define IGFXDATAFACTORY_HPP
#include <memory>
#include <stdint.h>
namespace boo
{
struct IGraphicsBuffer
{
bool dynamic() const {return m_dynamic;}
protected:
bool m_dynamic;
IGraphicsBuffer(bool dynamic) : m_dynamic(dynamic) {}
};
/** Static resource buffer for verts, indices, uniform constants */
struct IGraphicsBufferS : IGraphicsBuffer
{
protected:
IGraphicsBufferS() : IGraphicsBuffer(false) {}
};
/** Dynamic resource buffer for verts, indices, uniform constants */
struct IGraphicsBufferD : IGraphicsBuffer
{
virtual void load(const void* data, size_t sz)=0;
virtual void* map(size_t sz)=0;
virtual void unmap()=0;
protected:
IGraphicsBufferD() : IGraphicsBuffer(true) {}
};
struct ITexture
{
bool dynamic() const {return m_dynamic;}
protected:
bool m_dynamic;
ITexture(bool dynamic) : m_dynamic(dynamic) {}
};
/** Static resource buffer for textures */
struct ITextureS : ITexture
{
protected:
ITextureS() : ITexture(false) {}
};
/** Dynamic resource buffer for textures */
struct ITextureD : ITexture
{
virtual void load(const void* data, size_t sz)=0;
virtual void* map(size_t sz)=0;
virtual void unmap()=0;
protected:
ITextureD() : ITexture(true) {}
};
/** Opaque token for referencing a complete graphics pipeline state necessary
* to rasterize geometry (shaders and blending modes mainly) */
struct IShaderPipeline {};
/** Opaque token serving as indirection table for shader resources
* and IShaderPipeline reference. Each renderable surface-material holds one
* as a reference */
struct IShaderDataBinding {};
/** Opaque token for maintaining ownership of factory-created resources
* deletion of this token triggers mass-deallocation of the factory's
* resource batch. */
struct IGraphicsData
{
virtual ~IGraphicsData() {}
};
/** Factory object for creating batches of resources as an IGraphicsData token */
struct IGraphicsDataFactory
{
virtual ~IGraphicsDataFactory() {}
enum Platform
{
PlatformNull,
PlatformOGLES3,
PlatformD3D11,
PlatformD3D12,
PlatformMetal,
PlatformGX,
PlatformGX2
};
virtual Platform platform() const=0;
virtual const char* platformName() const=0;
enum BufferUse
{
BufferUseNull,
BufferUseVertex,
BufferUseIndex,
BufferUseUniform
};
virtual const IGraphicsBufferS*
newStaticBuffer(BufferUse use, const void* data, size_t sz)=0;
virtual IGraphicsBufferD*
newDynamicBuffer(BufferUse use)=0;
struct VertexElementDescriptor
{
const IGraphicsBuffer* vertBuffer = nullptr;
const IGraphicsBuffer* indexBuffer = nullptr;
enum VertexSemantic
{
VertexSemanticPosition,
VertexSemanticNormal,
VertexSemanticColor,
VertexSemanticUV,
VertexSemanticWeight
} semantic;
};
enum TextureFormat
{
TextureFormatRGBA8,
TextureFormatDXT1,
TextureFormatPVRTC4
};
virtual const ITextureS*
newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz)=0;
virtual ITextureD*
newDynamicTexture(size_t width, size_t height, TextureFormat fmt)=0;
enum BlendFactor
{
BlendFactorZero,
BlendFactorOne,
BlendFactorSrcColor,
BlendFactorInvSrcColor,
BlendFactorDstColor,
BlendFactorInvDstColor,
BlendFactorSrcAlpha,
BlendFactorInvSrcAlpha,
BlendFactorDstAlpha,
BlendFactorInvDstAlpha
};
virtual const IShaderDataBinding*
newShaderDataBinding(const IShaderPipeline* pipeline,
size_t bufCount, const IGraphicsBuffer** bufs,
size_t texCount, const ITexture** texs)=0;
virtual void reset()=0;
virtual std::unique_ptr<IGraphicsData> commit()=0;
};
}
#endif // IGFXDATAFACTORY_HPP

15
include/boo/graphicsdev/Metal.hpp Normal file
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@ -0,0 +1,15 @@
#ifndef GDEV_METAL_HPP
#define GDEV_METAL_HPP
#include "IGraphicsDataFactory.hpp"
namespace boo
{
class MetalDataFactory : public IGraphicsDataFactory
{
};
}
#endif // GDEV_METAL_HPP

653
lib/graphicsdev/GLES3.cpp Normal file
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@ -0,0 +1,653 @@
#include "boo/graphicsdev/GLES3.hpp"
#include "boo/IGraphicsContext.hpp"
#include <GLES3/gl3ext.h>
#include <stdio.h>
#include <vector>
#include <thread>
#include <mutex>
#include <condition_variable>
namespace boo
{
struct GLES3Data : IGraphicsData
{
std::vector<std::unique_ptr<class GLES3ShaderPipeline>> m_SPs;
std::vector<std::unique_ptr<class GLES3GraphicsBufferS>> m_SBufs;
std::vector<std::unique_ptr<class GLES3GraphicsBufferD>> m_DBufs;
std::vector<std::unique_ptr<class GLES3TextureS>> m_STexs;
std::vector<std::unique_ptr<class GLES3TextureD>> m_DTexs;
};
static const GLenum USE_TABLE[] =
{
GL_INVALID_ENUM,
GL_ARRAY_BUFFER,
GL_ELEMENT_ARRAY_BUFFER,
GL_UNIFORM_BUFFER
};
class GLES3GraphicsBufferS : IGraphicsBufferS
{
friend class GLES3DataFactory;
GLuint m_buf;
GLenum m_target;
GLES3GraphicsBufferS(IGraphicsDataFactory::BufferUse use, const void* data, size_t sz)
{
m_target = USE_TABLE[use];
glGenBuffers(1, &m_buf);
glBindBuffer(m_target, m_buf);
glBufferData(m_target, sz, data, GL_STATIC_DRAW);
}
public:
~GLES3GraphicsBufferS() {glDeleteBuffers(1, &m_buf);}
};
class GLES3GraphicsBufferD : IGraphicsBufferD
{
friend class GLES3DataFactory;
GLuint m_buf;
GLenum m_target;
void* m_mappedBuf = nullptr;
size_t m_mappedSize = 0;
GLES3GraphicsBufferD(IGraphicsDataFactory::BufferUse use)
{
m_target = USE_TABLE[use];
glGenBuffers(1, &m_buf);
}
public:
~GLES3GraphicsBufferD() {glDeleteBuffers(1, &m_buf);}
void load(const void* data, size_t sz)
{
glBindBuffer(m_target, m_buf);
glBufferData(m_target, sz, data, GL_DYNAMIC_DRAW);
}
void* map(size_t sz)
{
if (m_mappedBuf)
free(m_mappedBuf);
m_mappedBuf = malloc(sz);
m_mappedSize = sz;
return m_mappedBuf;
}
void unmap()
{
glBindBuffer(m_target, m_buf);
glBufferData(m_target, m_mappedSize, m_mappedBuf, GL_DYNAMIC_DRAW);
free(m_mappedBuf);
m_mappedBuf = nullptr;
}
};
const IGraphicsBufferS*
GLES3DataFactory::newStaticBuffer(BufferUse use, const void* data, size_t sz)
{
GLES3GraphicsBufferS* retval = new GLES3GraphicsBufferS(use, data, sz);
static_cast<GLES3Data*>(m_deferredData.get())->m_SBufs.emplace_back(retval);
return retval;
}
IGraphicsBufferD*
GLES3DataFactory::newDynamicBuffer(BufferUse use)
{
GLES3GraphicsBufferD* retval = new GLES3GraphicsBufferD(use);
static_cast<GLES3Data*>(m_deferredData.get())->m_DBufs.emplace_back(retval);
return retval;
}
class GLES3TextureS : ITextureS
{
friend class GLES3DataFactory;
GLuint m_tex;
GLES3TextureS(size_t width, size_t height, size_t mips,
IGraphicsDataFactory::TextureFormat fmt,
const void* data, size_t sz)
{
const uint8_t* dataIt = static_cast<const uint8_t*>(data);
glGenTextures(1, &m_tex);
glBindTexture(GL_TEXTURE_2D, m_tex);
if (fmt == IGraphicsDataFactory::TextureFormatRGBA8)
{
for (size_t i=0 ; i<mips ; ++i)
{
glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, dataIt);
dataIt += width * height * 4;
width /= 2;
height /= 2;
}
}
}
public:
~GLES3TextureS() {glDeleteTextures(1, &m_tex);}
};
class GLES3TextureD : ITextureD
{
friend class GLES3DataFactory;
friend class GLES3CommandQueue;
GLuint m_tex;
GLuint m_fbo;
void* m_mappedBuf = nullptr;
size_t m_mappedSize = 0;
size_t m_width = 0;
size_t m_height = 0;
GLES3TextureD(size_t width, size_t height,
IGraphicsDataFactory::TextureFormat fmt)
{
m_width = width;
m_height = height;
glGenTextures(1, &m_tex);
glBindTexture(GL_TEXTURE_2D, m_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
}
public:
~GLES3TextureD() {glDeleteTextures(1, &m_tex);}
void load(const void* data, size_t sz)
{
glBindTexture(GL_TEXTURE_2D, m_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_width, m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
}
void* map(size_t sz)
{
if (m_mappedBuf)
free(m_mappedBuf);
m_mappedBuf = malloc(sz);
m_mappedSize = sz;
return m_mappedBuf;
}
void unmap()
{
glBindTexture(GL_TEXTURE_2D, m_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_width, m_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_mappedBuf);
free(m_mappedBuf);
m_mappedBuf = nullptr;
}
};
const ITextureS*
GLES3DataFactory::newStaticTexture(size_t width, size_t height, size_t mips, TextureFormat fmt,
const void* data, size_t sz)
{
GLES3TextureS* retval = new GLES3TextureS(width, height, mips, fmt, data, sz);
static_cast<GLES3Data*>(m_deferredData.get())->m_STexs.emplace_back(retval);
return retval;
}
ITextureD*
GLES3DataFactory::newDynamicTexture(size_t width, size_t height, TextureFormat fmt)
{
GLES3TextureD* retval = new GLES3TextureD(width, height, fmt);
static_cast<GLES3Data*>(m_deferredData.get())->m_DTexs.emplace_back(retval);
return retval;
}
class GLES3ShaderPipeline : IShaderPipeline
{
friend class GLES3DataFactory;
GLuint m_vert = 0;
GLuint m_frag = 0;
GLuint m_prog = 0;
GLenum m_sfactor = GL_ONE;
GLenum m_dfactor = GL_ZERO;
bool initObjects()
{
m_vert = glCreateShader(GL_VERTEX_SHADER);
m_frag = glCreateShader(GL_FRAGMENT_SHADER);
m_prog = glCreateProgram();
if (!m_vert || !m_frag || !m_prog)
{
glDeleteShader(m_vert);
m_vert = 0;
glDeleteShader(m_frag);
m_frag = 0;
glDeleteProgram(m_prog);
m_prog = 0;
return false;
}
glAttachShader(m_prog, m_vert);
glAttachShader(m_prog, m_frag);
return true;
}
void clearObjects()
{
if (m_vert)
glDeleteShader(m_vert);
if (m_frag)
glDeleteShader(m_frag);
if (m_prog)
glDeleteProgram(m_prog);
}
GLES3ShaderPipeline() = default;
public:
operator bool() const {return m_prog != 0;}
~GLES3ShaderPipeline() {clearObjects();}
GLES3ShaderPipeline& operator=(const GLES3ShaderPipeline&) = delete;
GLES3ShaderPipeline(const GLES3ShaderPipeline&) = delete;
GLES3ShaderPipeline& operator=(GLES3ShaderPipeline&& other)
{
m_vert = other.m_vert;
other.m_vert = 0;
m_frag = other.m_frag;
other.m_frag = 0;
m_prog = other.m_prog;
other.m_prog = 0;
return *this;
}
GLES3ShaderPipeline(GLES3ShaderPipeline&& other) {*this = std::move(other);}
};
bool GLES3VertexArray::initObjects()
{
glGenVertexArrays(1, &m_vao);
if (!m_vao)
return false;
return true;
}
void GLES3VertexArray::clearObjects()
{
glDeleteVertexArrays(1, &m_vao);
m_vao = 0;
}
static const GLint SEMANTIC_COUNT_TABLE[] =
{
3,
3,
4,
2,
4
};
static const size_t SEMANTIC_SIZE_TABLE[] =
{
12,
12,
4,
8,
16
};
static const GLenum SEMANTIC_TYPE_TABLE[] =
{
GL_FLOAT,
GL_FLOAT,
GL_UNSIGNED_BYTE,
GL_FLOAT,
GL_FLOAT
};
GLES3VertexArray GLES3DataFactory::newVertexArray
(size_t elementCount, const VertexElementDescriptor* elements)
{
GLES3VertexArray vertArray;
if (!vertArray.initObjects())
{
fprintf(stderr, "unable to create vertex array object\n");
return vertArray;
}
size_t stride = 0;
for (size_t i=0 ; i<elementCount ; ++i)
{
const VertexElementDescriptor* desc = &elements[i];
stride += SEMANTIC_SIZE_TABLE[desc->semantic];
}
size_t offset = 0;
glBindVertexArray(vertArray.m_vao);
const IGraphicsBuffer* lastVBO = nullptr;
const IGraphicsBuffer* lastEBO = nullptr;
for (size_t i=0 ; i<elementCount ; ++i)
{
const VertexElementDescriptor* desc = &elements[i];
if (desc->vertBuffer != lastVBO)
{
lastVBO = desc->vertBuffer;
if (lastVBO->dynamic())
{
const GLES3GraphicsBufferD* vbo = static_cast<const GLES3GraphicsBufferD*>(lastVBO);
glBindBuffer(GL_ARRAY_BUFFER, vbo->m_buf);
}
else
{
const GLES3GraphicsBufferS* vbo = static_cast<const GLES3GraphicsBufferS*>(lastVBO);
glBindBuffer(GL_ARRAY_BUFFER, vbo->m_buf);
}
}
if (desc->indexBuffer != lastEBO)
{
lastEBO = desc->indexBuffer;
if (lastEBO->dynamic())
{
const GLES3GraphicsBufferD* ebo = static_cast<const GLES3GraphicsBufferD*>(lastEBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo->m_buf);
}
else
{
const GLES3GraphicsBufferS* ebo = static_cast<const GLES3GraphicsBufferS*>(lastEBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo->m_buf);
}
}
glVertexAttribPointer(i, SEMANTIC_COUNT_TABLE[desc->semantic],
SEMANTIC_TYPE_TABLE[desc->semantic], GL_TRUE, stride, (void*)offset);
offset += SEMANTIC_SIZE_TABLE[desc->semantic];
}
return vertArray;
}
static const GLenum BLEND_FACTOR_TABLE[] =
{
GL_ZERO,
GL_ONE,
GL_SRC_COLOR,
GL_ONE_MINUS_SRC_COLOR,
GL_DST_COLOR,
GL_ONE_MINUS_DST_COLOR,
GL_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA,
GL_DST_ALPHA,
GL_ONE_MINUS_DST_ALPHA
};
const IShaderPipeline* GLES3DataFactory::newShaderPipeline
(const char* vertSource, const char* fragSource,
BlendFactor srcFac, BlendFactor dstFac,
bool depthTest, bool depthWrite, bool backfaceCulling)
{
GLES3ShaderPipeline shader;
if (!shader.initObjects())
{
fprintf(stderr, "unable to create shader objects\n");
return nullptr;
}
shader.m_sfactor = BLEND_FACTOR_TABLE[srcFac];
shader.m_dfactor = BLEND_FACTOR_TABLE[dstFac];
glShaderSource(shader.m_vert, 1, &vertSource, nullptr);
glCompileShader(shader.m_vert);
GLint status;
glGetShaderiv(shader.m_vert, GL_COMPILE_STATUS, &status);
if (status != GL_TRUE)
{
GLint logLen;
glGetShaderiv(shader.m_vert, GL_INFO_LOG_LENGTH, &logLen);
char* log = (char*)malloc(logLen);
glGetShaderInfoLog(shader.m_vert, logLen, nullptr, log);
fprintf(stderr, "unable to compile vert source\n%s\n%s\n", log, vertSource);
free(log);
return nullptr;
}
glShaderSource(shader.m_frag, 1, &fragSource, nullptr);
glCompileShader(shader.m_frag);
glGetShaderiv(shader.m_frag, GL_COMPILE_STATUS, &status);
if (status != GL_TRUE)
{
GLint logLen;
glGetShaderiv(shader.m_frag, GL_INFO_LOG_LENGTH, &logLen);
char* log = (char*)malloc(logLen);
glGetShaderInfoLog(shader.m_frag, logLen, nullptr, log);
fprintf(stderr, "unable to compile frag source\n%s\n%s\n", log, fragSource);
free(log);
return nullptr;
}
glLinkProgram(shader.m_prog);
glGetProgramiv(shader.m_prog, GL_LINK_STATUS, &status);
if (status != GL_TRUE)
{
GLint logLen;
glGetProgramiv(shader.m_prog, GL_INFO_LOG_LENGTH, &logLen);
char* log = (char*)malloc(logLen);
glGetProgramInfoLog(shader.m_prog, logLen, nullptr, log);
fprintf(stderr, "unable to link shader program\n%s\n", log);
free(log);
return nullptr;
}
GLES3ShaderPipeline* retval = new GLES3ShaderPipeline(std::move(shader));
static_cast<GLES3Data*>(m_deferredData.get())->m_SPs.emplace_back(retval);
return retval;
}
struct GLES3ShaderDataBinding : IShaderDataBinding
{
void bind() const
{
}
};
const IShaderDataBinding*
GLES3DataFactory::newShaderDataBinding(const IShaderPipeline* pipeline,
size_t bufCount, const IGraphicsBuffer** bufs,
size_t texCount, const ITexture** texs)
{
return nullptr;
}
GLES3DataFactory::GLES3DataFactory()
: m_deferredData(new struct GLES3Data()) {}
void GLES3DataFactory::reset()
{
m_deferredData.reset(new struct GLES3Data());
}
std::unique_ptr<IGraphicsData> GLES3DataFactory::commit()
{
std::unique_ptr<IGraphicsData> retval(new struct GLES3Data());
m_deferredData.swap(retval);
return retval;
}
struct GLES3CommandQueue : IGraphicsCommandQueue
{
Platform platform() const {return IGraphicsDataFactory::PlatformOGLES3;}
const char* platformName() const {return "OpenGL ES 3.0";}
IGraphicsContext& m_parent;
struct Command
{
enum Op
{
OpSetShaderDataBinding,
OpSetRenderTarget,
OpSetClearColor,
OpClearTarget,
OpSetDrawPrimitive,
OpDraw,
OpDrawIndexed,
OpDrawInstances,
OpDrawInstancesIndexed
} m_op;
union
{
const IShaderDataBinding* binding;
const ITextureD* target;
float rgba[4];
GLbitfield flags;
Primitive prim;
struct
{
size_t start;
size_t count;
size_t instCount;
};
};
Command(Op op) : m_op(op) {}
};
std::vector<Command> m_cmdBufs[3];
size_t m_fillBuf = 0;
size_t m_completeBuf = 0;
size_t m_drawBuf = 0;
bool m_running = true;
std::thread m_thr;
std::mutex m_mt;
std::condition_variable m_cv;
static void RenderingWorker(GLES3CommandQueue* self)
{
self->m_parent.makeCurrent();
while (self->m_running)
{
{
std::unique_lock<std::mutex> lk(self->m_mt);
self->m_cv.wait(lk);
if (!self->m_running)
break;
self->m_drawBuf = self->m_completeBuf;
}
std::vector<Command>& cmds = self->m_cmdBufs[self->m_drawBuf];
GLenum prim = GL_TRIANGLES;
for (const Command& cmd : cmds)
{
switch (cmd.m_op)
{
case Command::OpSetShaderDataBinding:
static_cast<const GLES3ShaderDataBinding*>(cmd.binding)->bind();
break;
case Command::OpSetRenderTarget:
{
const GLES3TextureD* tex = static_cast<const GLES3TextureD*>(cmd.target);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, tex->m_fbo);
break;
}
case Command::OpSetClearColor:
glClearColor(cmd.rgba[0], cmd.rgba[1], cmd.rgba[2], cmd.rgba[3]);
break;
case Command::OpClearTarget:
glClear(cmd.flags);
break;
case Command::OpSetDrawPrimitive:
if (cmd.prim == PrimitiveTriangles)
prim = GL_TRIANGLES;
else if (cmd.prim == TrimitiveTriStrips)
prim = GL_TRIANGLE_STRIP;
break;
case Command::OpDraw:
glDrawArrays(prim, cmd.start, cmd.count);
break;
case Command::OpDrawIndexed:
glDrawElements(prim, cmd.count, GL_UNSIGNED_INT, (void*)cmd.start);
break;
case Command::OpDrawInstances:
glDrawArraysInstanced(prim, cmd.start, cmd.count, cmd.instCount);
break;
case Command::OpDrawInstancesIndexed:
glDrawElementsInstanced(prim, cmd.count, GL_UNSIGNED_INT, (void*)cmd.start, cmd.instCount);
break;
default: break;
}
}
cmds.clear();
}
}
GLES3CommandQueue(IGraphicsContext& parent)
: m_parent(parent),
m_thr(RenderingWorker, this) {}
~GLES3CommandQueue()
{
m_running = false;
m_cv.notify_one();
m_thr.join();
}
void setShaderDataBinding(const IShaderDataBinding* binding)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetShaderDataBinding);
cmds.back().binding = binding;
}
void setRenderTarget(const ITextureD* target)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetRenderTarget);
cmds.back().target = target;
}
void setClearColor(const float rgba[4])
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetClearColor);
cmds.back().rgba[0] = rgba[0];
cmds.back().rgba[1] = rgba[1];
cmds.back().rgba[2] = rgba[2];
cmds.back().rgba[3] = rgba[3];
}
void clearTarget(bool render=true, bool depth=true)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpClearTarget);
cmds.back().flags = 0;
if (render)
cmds.back().flags |= GL_COLOR_BUFFER_BIT;
if (depth)
cmds.back().flags |= GL_DEPTH_BUFFER_BIT;
}
void setDrawPrimitive(Primitive prim)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpSetDrawPrimitive);
cmds.back().prim = prim;
}
void draw(size_t start, size_t count)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDraw);
cmds.back().start = start;
cmds.back().count = count;
}
void drawIndexed(size_t start, size_t count)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawIndexed);
cmds.back().start = start;
cmds.back().count = count;
}
void drawInstances(size_t start, size_t count, size_t instCount)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawInstances);
cmds.back().start = start;
cmds.back().count = count;
cmds.back().instCount = instCount;
}
void drawInstancesIndexed(size_t start, size_t count, size_t instCount)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpDrawInstancesIndexed);
cmds.back().start = start;
cmds.back().count = count;
cmds.back().instCount = instCount;
}
void execute()
{
std::unique_lock<std::mutex> lk(m_mt);
m_completeBuf = m_fillBuf;
for (size_t i=0 ; i<3 ; ++i)
{
if (i == m_completeBuf || i == m_drawBuf)
continue;
m_fillBuf = i;
break;
}
lk.unlock();
m_cv.notify_one();
m_cmdBufs[m_fillBuf].clear();
}
};
IGraphicsCommandQueue* _NewGLES3CommandQueue(IGraphicsContext& parent)
{
return new struct GLES3CommandQueue(parent);
}
}

4
lib/x11/ApplicationWayland.hpp
View File

@ -71,9 +71,9 @@ public:
return m_args;
}
IWindow* newWindow(const std::string& title)
std::unique_ptr<IWindow> newWindow(const std::string& title)
{
return _WindowWaylandNew(title);
return std::unique_ptr<IWindow>(_WindowWaylandNew(title));
}
};

18
lib/x11/ApplicationXCB.hpp
View File

@ -21,6 +21,7 @@
DBusConnection* RegisterDBus(const char* appName, bool& isFirst);
#include <sys/param.h>
#include <thread>
namespace boo
{
@ -253,6 +254,14 @@ public:
if (!m_xcbConn)
return 1;
/* Spawn client thread */
int clientReturn = 0;
std::thread clientThread([&]()
{clientReturn = m_callback.appMain(this);});
/* Begin application event loop */
while (true)
{
xcb_generic_event_t* event;
fd_set fds;
FD_ZERO(&fds);
@ -305,6 +314,11 @@ public:
}
}
m_callback.appQuitting(this);
clientThread.join();
return clientReturn;
}
const std::string& getUniqueName() const
{
return m_uniqueName;
@ -325,11 +339,11 @@ public:
return m_args;
}
IWindow* newWindow(const std::string& title)
std::unique_ptr<IWindow> newWindow(const std::string& title)
{
IWindow* newWindow = _WindowXCBNew(title, m_xcbConn);
m_windows[(xcb_window_t)newWindow->getPlatformHandle()] = newWindow;
return newWindow;
return std::unique_ptr<IWindow>(newWindow);
}
};

67
lib/x11/GraphicsContextWayland.cpp
View File

@ -1,67 +0,0 @@
#include "boo/IGraphicsContext.hpp"
#include "boo/IWindow.hpp"
namespace boo
{
struct GraphicsContextWayland : IGraphicsContext
{
EGraphicsAPI m_api;
EPixelFormat m_pf;
IWindow* m_parentWindow;
public:
IWindowCallback* m_callback;
GraphicsContextWayland(EGraphicsAPI api, IWindow* parentWindow)
: m_api(api),
m_pf(PF_RGBA8),
m_parentWindow(parentWindow)
{}
~GraphicsContextWayland()
{
}
void _setCallback(IWindowCallback* cb)
{
m_callback = cb;
}
EGraphicsAPI getAPI() const
{
return m_api;
}
EPixelFormat getPixelFormat() const
{
return m_pf;
}
void setPixelFormat(EPixelFormat pf)
{
if (pf > PF_RGBAF32_Z24)
return;
m_pf = pf;
}
void initializeContext()
{
}
void makeCurrent()
{
}
};
IGraphicsContext* _GraphicsContextWaylandNew(IGraphicsContext::EGraphicsAPI api,
IWindow* parentWindow)
{
return new GraphicsContextWayland(api, parentWindow);
}
}

58
lib/x11/WindowWayland.cpp
View File

@ -11,8 +11,59 @@ namespace boo
extern PFNGLXGETVIDEOSYNCSGIPROC FglXGetVideoSyncSGI;
extern PFNGLXWAITVIDEOSYNCSGIPROC FglXWaitVideoSyncSGI;
IGraphicsContext* _GraphicsContextWaylandNew(IGraphicsContext::EGraphicsAPI api,
IWindow* parentWindow);
struct GraphicsContextWayland : IGraphicsContext
{
EGraphicsAPI m_api;
EPixelFormat m_pf;
IWindow* m_parentWindow;
public:
IWindowCallback* m_callback;
GraphicsContextWayland(EGraphicsAPI api, IWindow* parentWindow)
: m_api(api),
m_pf(PF_RGBA8),
m_parentWindow(parentWindow)
{}
~GraphicsContextWayland()
{
}
void _setCallback(IWindowCallback* cb)
{
m_callback = cb;
}
EGraphicsAPI getAPI() const
{
return m_api;
}
EPixelFormat getPixelFormat() const
{
return m_pf;
}
void setPixelFormat(EPixelFormat pf)
{
if (pf > PF_RGBAF32_Z24)
return;
m_pf = pf;
}
void initializeContext()
{
}
void makeCurrent()
{
}
};
struct WindowWayland : IWindow
{
@ -81,10 +132,11 @@ struct WindowWayland : IWindow
}
void waitForRetrace()
size_t waitForRetrace(size_t count)
{
unsigned int sync;
FglXWaitVideoSyncSGI(1, 0, &sync);
return 0;
}
uintptr_t getPlatformHandle() const

16
lib/x11/WindowXCB.cpp
View File

@ -1,6 +1,7 @@
#include "boo/IWindow.hpp"
#include "boo/IGraphicsContext.hpp"
#include "boo/IApplication.hpp"
#include "boo/graphicsdev/GLES3.hpp"
#include <xcb/xcb.h>
#include <xcb/xcb_event.h>
@ -27,6 +28,7 @@
namespace boo
{
IGraphicsCommandQueue* _NewGLES3CommandQueue(IGraphicsContext& parent);
extern PFNGLXGETVIDEOSYNCSGIPROC FglXGetVideoSyncSGI;
extern PFNGLXWAITVIDEOSYNCSGIPROC FglXWaitVideoSyncSGI;
@ -293,6 +295,16 @@ public:
free(reply);
}
std::unique_ptr<IGraphicsCommandQueue> createCommandQueue()
{
return std::unique_ptr<IGraphicsCommandQueue>(_NewGLES3CommandQueue(*this));
}
std::unique_ptr<IGraphicsDataFactory> createDataFactory()
{
return std::unique_ptr<IGraphicsDataFactory>(new struct GLES3DataFactory());
}
};
struct WindowXCB : IWindow
@ -425,6 +437,7 @@ public:
void showWindow()
{
xcb_map_window(m_xcbConn, m_windowId);
m_gfxCtx.makeCurrent();
xcb_flush(m_xcbConn);
}
@ -530,10 +543,11 @@ public:
(const char*)&fsEvent);
}
void waitForRetrace()
size_t waitForRetrace(size_t count)
{
unsigned int sync;
FglXWaitVideoSyncSGI(1, 0, &sync);
return 0;
}
uintptr_t getPlatformHandle() const

16
test/main.cpp
View File

@ -169,19 +169,29 @@ struct CTestWindowCallback : IWindowCallback
struct TestApplicationCallback : IApplicationCallback
{
IWindow* mainWindow = NULL;
std::unique_ptr<IWindow> mainWindow;
boo::TestDeviceFinder devFinder;
CTestWindowCallback windowCallback;
void appMain(IApplication* app)
bool running = true;
int appMain(IApplication* app)
{
mainWindow = app->newWindow(_S("YAY!"));
mainWindow->setCallback(&windowCallback);
mainWindow->showWindow();
devFinder.startScanning();
size_t retraceCount = 0;
while (running)
{
retraceCount = mainWindow->waitForRetrace(retraceCount);
}
return 0;
}
void appQuitting(IApplication*)
{
delete mainWindow;
running = false;
}
void appFilesOpen(IApplication*, const std::vector<SystemString>& paths)
{