void FoveatedRenderingApp::DefaultRender(izanagi::graph::CGraphicsDevice* device)
{
izanagi::sample::CSampleCamera& camera = GetCamera();
device->SetTexture(0, m_Img->GetTexture(m_Idx));
device->SetTexture(1, m_mask);
auto shd = m_shdDrawCube.m_shd;
device->SetShaderProgram(shd);
auto hL2W = shd->GetHandleByName("g_mL2W");
shd->SetMatrix(device, hL2W, m_L2W);
auto mtxW2C = camera.GetParam().mtxW2C;
auto hW2C = shd->GetHandleByName("g_mW2C");
shd->SetMatrix(device, hW2C, mtxW2C);
auto hEye = shd->GetHandleByName("g_vEye");
shd->SetVector(device, hEye, camera.GetParam().pos);
auto hInvScr = shd->GetHandleByName("invScreen");
izanagi::math::CVector4 invScr(1.0f / SCREEN_WIDTH, 1.0f / SCREEN_HEIGHT, 0, 0);
shd->SetVector(device, hInvScr, invScr);
auto hCanFoveated = shd->GetHandleByName("canFoveated");
shd->SetBool(device, hCanFoveated, false);
m_Cube->Render(device);
}
void UpscaleGeometryRenderingApp::renderFinalPass(izanagi::graph::CGraphicsDevice* device)
{
device->SaveRenderState();
device->SetRenderState(
izanagi::graph::E_GRAPH_RS_ZENABLE,
IZ_FALSE);
device->SetRenderState(
izanagi::graph::E_GRAPH_RS_ZWRITEENABLE,
IZ_FALSE);
auto width = device->GetBackBufferWidth();
auto height = device->GetBackBufferHeight();
auto* shd = m_shdFinalPass.m_program;
device->SetShaderProgram(shd);
auto hInvScr = shd->GetHandleByName("invScreen");
izanagi::math::CVector4 invScr(1.0f / width, 1.0f / height, 0.0f, 1.0f);
shd->SetVector(device, hInvScr, invScr);
m_gbuffer.bindForFinalPass(device);
m_screenFillPlane->Draw(device);
device->LoadRenderState();
}
void FoveatedRenderingApp::FoveatedRender(izanagi::graph::CGraphicsDevice* device)
{
izanagi::sample::CSampleCamera& camera = GetCamera();
device->BeginScene(
&m_mask, 1,
izanagi::graph::E_GRAPH_CLEAR_FLAG_ALL);
{
// For rendering full screen quad without vertex buffer.
device->SetRenderState(
izanagi::graph::E_GRAPH_RS_CULLMODE,
izanagi::graph::E_GRAPH_CULL_NONE);
auto shd = m_shdMakeMask.m_shd;
device->SetShaderProgram(shd);
auto hInvScr = shd->GetHandleByName("invScreen");
izanagi::math::CVector4 invScr(1.0f / SCREEN_WIDTH, 1.0f / SCREEN_HEIGHT, 0, 0);
shd->SetVector(device, hInvScr, invScr);
auto hCenter = shd->GetHandleByName("center");
izanagi::math::CVector4 center(SCREEN_WIDTH * 0.5f, SCREEN_HEIGHT * 0.5f, 0, 0);
shd->SetVector(device, hCenter, center);
CALL_GL_API(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
}
device->EndScene();
device->BeginScene(
&m_rt, 1,
m_depth,
izanagi::graph::E_GRAPH_CLEAR_FLAG_ALL);
{
device->SetTexture(0, m_Img->GetTexture(m_Idx));
device->SetTexture(1, m_mask);
auto shd = m_shdDrawCube.m_shd;
device->SetShaderProgram(shd);
auto hL2W = shd->GetHandleByName("g_mL2W");
shd->SetMatrix(device, hL2W, m_L2W);
auto mtxW2C = camera.GetParam().mtxW2C;
auto hW2C = shd->GetHandleByName("g_mW2C");
shd->SetMatrix(device, hW2C, mtxW2C);
auto hEye = shd->GetHandleByName("g_vEye");
shd->SetVector(device, hEye, camera.GetParam().pos);
auto hInvScr = shd->GetHandleByName("invScreen");
izanagi::math::CVector4 invScr(1.0f / SCREEN_WIDTH, 1.0f / SCREEN_HEIGHT, 0, 0);
shd->SetVector(device, hInvScr, invScr);
auto hCanFoveated = shd->GetHandleByName("canFoveated");
shd->SetBool(device, hCanFoveated, true);
m_Cube->Render(device);
}
device->EndScene();
device->SetRenderState(
izanagi::graph::E_GRAPH_RS_ZWRITEENABLE,
IZ_FALSE);
device->SetRenderState(
izanagi::graph::E_GRAPH_RS_ZENABLE,
IZ_FALSE);
{
auto shd = m_shdFilter.m_shd;
device->SetShaderProgram(shd);
m_rt->SetFilter(
izanagi::graph::E_GRAPH_TEX_FILTER_POINT,
izanagi::graph::E_GRAPH_TEX_FILTER_POINT,
izanagi::graph::E_GRAPH_TEX_FILTER_NONE);
m_rt->SetAddress(
izanagi::graph::E_GRAPH_TEX_ADDRESS_CLAMP,
izanagi::graph::E_GRAPH_TEX_ADDRESS_CLAMP);
device->SetTexture(0, m_rt);
auto hTex0 = shd->GetHandleByName("s0");
CALL_GL_API(glUniform1i(hTex0, 0));
device->SetTexture(1, m_mask);
auto hTex1 = shd->GetHandleByName("s1");
CALL_GL_API(glUniform1i(hTex1, 1));
auto hInvScr = shd->GetHandleByName("invScreen");
izanagi::math::CVector4 invScr(1.0f / SCREEN_WIDTH, 1.0f / SCREEN_HEIGHT, 0, 0);
shd->SetVector(device, hInvScr, invScr);
CALL_GL_API(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
}
}
