metaforce/specter/lib/View.cpp

102 lines
3.1 KiB
C++

#include "Specter/View.hpp"
#include "Specter/ViewSystem.hpp"
namespace Specter
{
void View::System::init(boo::GLDataFactory* factory)
{
static const char* VS =
"#version 330\n"
"layout(location=0) in vec3 posIn;\n"
"layout(location=1) in vec4 colorIn;\n"
SPECTER_VIEW_VERT_BLOCK_GLSL
"struct VertToFrag\n"
"{\n"
" vec4 color;\n"
"};\n"
"out VertToFrag vtf;\n"
"void main()\n"
"{\n"
" vtf.color = colorIn;\n"
" gl_Position = mv * vec4(posIn, 1.0);\n"
"}\n";
static const char* FS =
"#version 330\n"
"struct VertToFrag\n"
"{\n"
" vec4 color;\n"
"};\n"
"in VertToFrag vtf;\n"
"layout(location=0) out vec4 colorOut;\n"
"void main()\n"
"{\n"
" colorOut = vtf.color;\n"
"}\n";
static const char* BlockNames[] = {"SpecterViewBlock"};
m_solidShader = factory->newShaderPipeline(VS, FS, 0, nullptr, 1, BlockNames,
boo::BlendFactor::SrcAlpha, boo::BlendFactor::InvSrcAlpha,
false, false, false);
}
View::View(ViewSystem& system)
{
m_bgVertBuf =
system.m_factory->newDynamicBuffer(boo::BufferUse::Vertex,
sizeof(Zeus::CVector3f), 4);
m_bgInstBuf =
system.m_factory->newDynamicBuffer(boo::BufferUse::Vertex,
sizeof(Zeus::CColor), 1);
m_viewVertBlockBuf =
system.m_factory->newDynamicBuffer(boo::BufferUse::Uniform,
sizeof(VertexBlock), 1);
if (!system.m_viewSystem.m_vtxFmt)
{
boo::VertexElementDescriptor vdescs[] =
{
{m_bgVertBuf, nullptr, boo::VertexSemantic::Position4, 0},
{m_bgInstBuf, nullptr, boo::VertexSemantic::Color | boo::VertexSemantic::Instanced}
};
m_bgVtxFmt = system.m_factory->newVertexFormat(2, vdescs);
m_bgShaderBinding =
system.m_factory->newShaderDataBinding(system.m_viewSystem.m_solidShader, m_bgVtxFmt,
m_bgVertBuf, m_bgInstBuf, nullptr, 1,
(boo::IGraphicsBuffer**)&m_viewVertBlockBuf,
0, nullptr);
}
}
void View::resized(const boo::SWindowRect& root, const boo::SWindowRect& sub)
{
m_viewVertBlock.setViewRect(root, sub);
m_bgRect[0].assign(0.f, sub.size[1], 0.f);
m_bgRect[1].assign(0.f, 0.f, 0.f);
m_bgRect[2].assign(sub.size[0], sub.size[1], 0.f);
m_bgRect[3].assign(sub.size[0], 0.f, 0.f);
m_bgValidSlots = 0;
}
void View::draw(boo::IGraphicsCommandQueue* gfxQ)
{
int pendingSlot = 1 << gfxQ->pendingDynamicSlot();
if ((m_bgValidSlots & pendingSlot) == 0)
{
m_viewVertBlockBuf->load(&m_viewVertBlock, sizeof(VertexBlock));
m_bgVertBuf->load(m_bgRect, sizeof(Zeus::CVector3f) * 4);
m_bgInstBuf->load(&m_bgColor, sizeof(Zeus::CColor));
m_bgValidSlots |= pendingSlot;
}
gfxQ->setShaderDataBinding(m_bgShaderBinding);
gfxQ->setDrawPrimitive(boo::Primitive::TriStrips);
gfxQ->draw(0, 4);
}
}