void GSDeviceOGL::CreateTextureFX()
{
m_vs_cb = new GSUniformBufferOGL(g_vs_cb_index, sizeof(VSConstantBuffer));
m_ps_cb = new GSUniformBufferOGL(g_ps_cb_index, sizeof(PSConstantBuffer));
// warning 1 sampler by image unit. So you cannot reuse m_ps_ss...
m_palette_ss = CreateSampler(false, false, false);
gl_BindSampler(1, m_palette_ss);
GSInputLayoutOGL vert_format[] =
{
{0 , 2 , GL_FLOAT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(0) } ,
{1 , 4 , GL_UNSIGNED_BYTE , GL_TRUE , sizeof(GSVertex) , (const GLvoid*)(8) } ,
{2 , 1 , GL_FLOAT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(12) } ,
{3 , 2 , GL_UNSIGNED_SHORT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(16) } ,
{4 , 1 , GL_UNSIGNED_INT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(20) } ,
{5 , 2 , GL_UNSIGNED_SHORT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(24) } ,
{6 , 4 , GL_UNSIGNED_BYTE , GL_TRUE , sizeof(GSVertex) , (const GLvoid*)(28) } ,
};
m_vb = new GSVertexBufferStateOGL(sizeof(GSVertex), vert_format, countof(vert_format));
// Pre compile all Geometry & Vertex Shader
// It might cost a seconds at startup but it would reduce benchmark pollution
m_gs = CompileGS();
for (uint32 key = 0; key < VSSelector::size(); key++)
m_vs[key] = CompileVS(VSSelector(key));
for (uint32 key = 0; key < OMDepthStencilSelector::size(); key++)
m_om_dss[key] = CreateDepthStencil(OMDepthStencilSelector(key));
// Help to debug FS in apitrace
m_apitrace = CompilePS(PSSelector());
// VS gl_position.z => [-1,-1]
// FS depth => [0, 1]
// because of -1 we loose lot of precision for small GS value
// This extension allow FS depth to range from -1 to 1. So
// gl_position.z could range from [0, 1]
if (GLLoader::found_GL_NV_depth_buffer_float) {
gl_DepthRangedNV(-1.0f, 1.0f);
}
}
void GSDeviceOGL::CreateTextureFX()
{
m_vs_cb = new GSUniformBufferOGL(g_vs_cb_index, sizeof(VSConstantBuffer));
m_ps_cb = new GSUniformBufferOGL(g_ps_cb_index, sizeof(PSConstantBuffer));
// warning 1 sampler by image unit. So you cannot reuse m_ps_ss...
m_palette_ss = CreateSampler(false, false, false);
gl_BindSampler(1, m_palette_ss);
GSInputLayoutOGL vert_format[] =
{
{0 , 2 , GL_FLOAT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(0) } ,
{1 , 4 , GL_UNSIGNED_BYTE , GL_TRUE , sizeof(GSVertex) , (const GLvoid*)(8) } ,
{2 , 1 , GL_FLOAT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(12) } ,
{3 , 2 , GL_UNSIGNED_SHORT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(16) } ,
{4 , 1 , GL_UNSIGNED_INT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(20) } ,
{5 , 2 , GL_UNSIGNED_SHORT , GL_FALSE , sizeof(GSVertex) , (const GLvoid*)(24) } ,
{6 , 4 , GL_UNSIGNED_BYTE , GL_TRUE , sizeof(GSVertex) , (const GLvoid*)(28) } ,
};
m_vb = new GSVertexBufferStateOGL(sizeof(GSVertex), vert_format, countof(vert_format));
// Pre compile all Geometry & Vertex Shader
// It might cost a seconds at startup but it would reduce benchmark pollution
m_gs = CompileGS();
for (uint32 key = 0; key < VSSelector::size(); key++)
m_vs[key] = CompileVS(VSSelector(key));
for (uint32 key = 0; key < OMDepthStencilSelector::size(); key++)
m_om_dss[key] = CreateDepthStencil(OMDepthStencilSelector(key));
// Help to debug FS in apitrace
m_apitrace = CompilePS(PSSelector());
if (!!theApp.GetConfig("GL_NV_Depth", 0)) {
gl_DepthRangedNV(-1.0f, 1.0f);
}
}