void OgreImGui::createMaterial()
{
static const char* vertexShaderSrcD3D11 =
{
"cbuffer vertexBuffer : register(b0) \n"
"{\n"
"float4x4 ProjectionMatrix; \n"
"};\n"
"struct VS_INPUT\n"
"{\n"
"float2 pos : POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"struct PS_INPUT\n"
"{\n"
"float4 pos : SV_POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"PS_INPUT main(VS_INPUT input)\n"
"{\n"
"PS_INPUT output;\n"
"output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\n"
"output.col = input.col;\n"
"output.uv = input.uv;\n"
"return output;\n"
"}"
};
static const char* pixelShaderSrcD3D11 =
{
"struct PS_INPUT\n"
"{\n"
"float4 pos : SV_POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"sampler sampler0;\n"
"Texture2D texture0;\n"
"\n"
"float4 main(PS_INPUT input) : SV_Target\n"
"{\n"
"float4 out_col = input.col * texture0.Sample(sampler0, input.uv); \n"
"return out_col; \n"
"}"
};
static const char* vertexShaderSrcD3D9 =
{
"uniform float4x4 ProjectionMatrix; \n"
"struct VS_INPUT\n"
"{\n"
"float2 pos : POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"struct PS_INPUT\n"
"{\n"
"float4 pos : POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"PS_INPUT main(VS_INPUT input)\n"
"{\n"
"PS_INPUT output;\n"
"output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\n"
"output.col = input.col;\n"
"output.uv = input.uv;\n"
"return output;\n"
"}"
};
static const char* pixelShaderSrcSrcD3D9 =
{
"struct PS_INPUT\n"
"{\n"
"float4 pos : SV_POSITION;\n"
"float4 col : COLOR0;\n"
"float2 uv : TEXCOORD0;\n"
"};\n"
"sampler2D sampler0;\n"
"\n"
"float4 main(PS_INPUT input) : SV_Target\n"
"{\n"
"float4 out_col = input.col.bgra * tex2D(sampler0, input.uv); \n"
"return out_col; \n"
"}"
};
static const char* vertexShaderSrcGLSL =
{ // See https://www.khronos.org/opengl/wiki/Core_Language_(GLSL)#OpenGL_and_GLSL_versions
"#version 130\n"
"uniform mat4 ProjectionMatrix; \n"
"in vec2 vertex;\n"
"in vec2 uv0;\n"
"in vec4 colour;\n"
"out vec2 Texcoord;\n"
"out vec4 col;\n"
"void main()\n"
"{\n"
"gl_Position = ProjectionMatrix* vec4(vertex.xy, 0.f, 1.f);\n"
"Texcoord = uv0;\n"
"col = colour;\n"
"}"
};
static const char* pixelShaderSrcGLSL =
{ // See https://www.khronos.org/opengl/wiki/Core_Language_(GLSL)#OpenGL_and_GLSL_versions
"#version 130\n"
"in vec2 Texcoord;\n"
"in vec4 col;\n"
"uniform sampler2D sampler0;\n"
"out vec4 out_col;\n"
"void main()\n"
"{\n"
"out_col = col * texture(sampler0, Texcoord); \n"
"}"
};
//create the default shadows material
Ogre::HighLevelGpuProgramManager& mgr = Ogre::HighLevelGpuProgramManager::getSingleton();
Ogre::HighLevelGpuProgramPtr vertexShaderUnified = mgr.getByName("imgui/VP");
Ogre::HighLevelGpuProgramPtr pixelShaderUnified = mgr.getByName("imgui/FP");
Ogre::HighLevelGpuProgramPtr vertexShaderD3D11 = mgr.getByName("imgui/VP/D3D11");
Ogre::HighLevelGpuProgramPtr pixelShaderD3D11 = mgr.getByName("imgui/FP/D3D11");
Ogre::HighLevelGpuProgramPtr vertexShaderD3D9 = mgr.getByName("imgui/VP/D3D9");
Ogre::HighLevelGpuProgramPtr pixelShaderD3D9 = mgr.getByName("imgui/FP/D3D9");
Ogre::HighLevelGpuProgramPtr vertexShaderGL = mgr.getByName("imgui/VP/GL130");
Ogre::HighLevelGpuProgramPtr pixelShaderGL = mgr.getByName("imgui/FP/GL130");
if (vertexShaderUnified.isNull())
{
vertexShaderUnified = mgr.createProgram("imgui/VP",Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,"unified",Ogre::GPT_VERTEX_PROGRAM);
}
if (pixelShaderUnified.isNull())
{
pixelShaderUnified = mgr.createProgram("imgui/FP",Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,"unified",Ogre::GPT_FRAGMENT_PROGRAM);
}
Ogre::UnifiedHighLevelGpuProgram* vertexShaderPtr = static_cast<Ogre::UnifiedHighLevelGpuProgram*>(vertexShaderUnified.get());
Ogre::UnifiedHighLevelGpuProgram* pixelShaderPtr = static_cast<Ogre::UnifiedHighLevelGpuProgram*>(pixelShaderUnified.get());
if (vertexShaderD3D11.isNull())
{
vertexShaderD3D11 = mgr.createProgram("imgui/VP/D3D11", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl", Ogre::GPT_VERTEX_PROGRAM);
vertexShaderD3D11->setParameter("target", "vs_4_0");
vertexShaderD3D11->setParameter("entry_point", "main");
vertexShaderD3D11->setSource(vertexShaderSrcD3D11);
vertexShaderD3D11->load();
vertexShaderPtr->addDelegateProgram(vertexShaderD3D11->getName());
}
if (pixelShaderD3D11.isNull())
{
pixelShaderD3D11 = mgr.createProgram("imgui/FP/D3D11", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl", Ogre::GPT_FRAGMENT_PROGRAM);
pixelShaderD3D11->setParameter("target", "ps_4_0");
pixelShaderD3D11->setParameter("entry_point", "main");
pixelShaderD3D11->setSource(pixelShaderSrcD3D11);
pixelShaderD3D11->load();
pixelShaderPtr->addDelegateProgram(pixelShaderD3D11->getName());
}
if (vertexShaderD3D9.isNull())
{
vertexShaderD3D9 = mgr.createProgram("imgui/VP/D3D9", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl", Ogre::GPT_VERTEX_PROGRAM);
vertexShaderD3D9->setParameter("target", "vs_2_0");
vertexShaderD3D9->setParameter("entry_point", "main");
vertexShaderD3D9->setSource(vertexShaderSrcD3D9);
vertexShaderD3D9->load();
vertexShaderPtr->addDelegateProgram(vertexShaderD3D9->getName());
}
if (pixelShaderD3D9.isNull())
{
pixelShaderD3D9 = mgr.createProgram("imgui/FP/D3D9", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl", Ogre::GPT_FRAGMENT_PROGRAM);
pixelShaderD3D9->setParameter("target", "ps_2_0");
pixelShaderD3D9->setParameter("entry_point", "main");
pixelShaderD3D9->setSource(pixelShaderSrcSrcD3D9);
pixelShaderD3D9->load();
pixelShaderPtr->addDelegateProgram(pixelShaderD3D9->getName());
}
if (vertexShaderGL.isNull())
{
vertexShaderGL = mgr.createProgram("imgui/VP/GL130", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsl", Ogre::GPT_VERTEX_PROGRAM);
vertexShaderGL->setSource(vertexShaderSrcGLSL);
vertexShaderGL->load();
vertexShaderPtr->addDelegateProgram(vertexShaderGL->getName());
}
if (pixelShaderGL.isNull())
{
pixelShaderGL = mgr.createProgram("imgui/FP/GL130", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"glsl", Ogre::GPT_FRAGMENT_PROGRAM);
pixelShaderGL->setSource(pixelShaderSrcGLSL);
pixelShaderGL->load();
pixelShaderGL->setParameter("sampler0","int 0");
pixelShaderPtr->addDelegateProgram(pixelShaderGL->getName());
}
Ogre::MaterialPtr imguiMaterial = Ogre::MaterialManager::getSingleton().create("imgui/material", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mPass = imguiMaterial->getTechnique(0)->getPass(0);
mPass->setFragmentProgram("imgui/FP");
mPass->setVertexProgram("imgui/VP");
mPass->setCullingMode(Ogre::CULL_NONE);
mPass->setDepthFunction(Ogre::CMPF_ALWAYS_PASS);
mPass->setLightingEnabled(false);
mPass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
mPass->setSeparateSceneBlendingOperation(Ogre::SBO_ADD,Ogre::SBO_ADD);
mPass->setSeparateSceneBlending(Ogre::SBF_SOURCE_ALPHA,Ogre::SBF_ONE_MINUS_SOURCE_ALPHA,Ogre::SBF_ONE_MINUS_SOURCE_ALPHA,Ogre::SBF_ZERO);
mPass->createTextureUnitState()->setTextureName("ImguiFontTex");
}
