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Refactored shadow framebuffer creation and binding

dev
Tomasz Kapuściński 2022-01-24 23:16:22 +01:00
parent 2ff722eee6
commit 741d5c75ba
2 changed files with 15 additions and 36 deletions
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42
src/graphics/engine/engine.cpp
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@ -4015,42 +4015,15 @@ void CEngine::RenderShadowMap()
// If no shadow map texture exists, create it // If no shadow map texture exists, create it
if (m_shadowMap.id == 0) if (m_shadowMap.id == 0)
{ {
FramebufferParams params; m_shadowMap = m_device->CreateDepthTexture(
params.width = m_offscreenShadowRenderingResolution; m_offscreenShadowRenderingResolution,
params.height = m_offscreenShadowRenderingResolution; m_offscreenShadowRenderingResolution,
params.depth = 32; 32);
params.colorAttachment = FramebufferParams::AttachmentType::None;
params.depthAttachment = FramebufferParams::AttachmentType::Texture;
CFramebuffer* framebuffer = m_device->CreateFramebuffer("shadow", params); GetLogger()->Info("Created shadow map texture: %dx%d, depth %d\n",
if (framebuffer == nullptr) m_shadowMap.size.x, m_shadowMap.size.y, 32);
{
GetLogger()->Error("Could not create shadow mapping framebuffer, disabling dynamic shadows\n");
m_shadowMapping = false;
m_offscreenShadowRendering = false;
m_qualityShadows = false;
CProfiler::StopPerformanceCounter(PCNT_RENDER_SHADOW_MAP);
return;
}
m_shadowMap.id = framebuffer->GetDepthTexture();
m_shadowMap.size = { params.width, params.height };
GetLogger()->Info("Created shadow map texture: %dx%d, depth %d\n", params.width, params.height, params.depth);
} }
// change state to rendering shadow maps
m_device->SetColorMask(false, false, false, false);
m_device->SetRenderState(RENDER_STATE_DEPTH_TEST, true);
m_device->SetRenderState(RENDER_STATE_DEPTH_WRITE, true);
m_device->SetRenderState(RENDER_STATE_BLENDING, false);
m_device->SetRenderState(RENDER_STATE_LIGHTING, false);
m_device->SetRenderState(RENDER_STATE_FOG, false);
m_device->SetRenderState(RENDER_STATE_CULLING, false);
m_device->SetRenderState(RENDER_STATE_ALPHA_TEST, true);
m_device->SetAlphaTestFunc(COMP_FUNC_GREATER, 0.5f);
m_device->SetViewport(0, 0, m_shadowMap.size.x, m_shadowMap.size.y);
auto renderer = m_device->GetShadowRenderer(); auto renderer = m_device->GetShadowRenderer();
renderer->Begin(); renderer->Begin();
renderer->SetShadowMap(m_shadowMap); renderer->SetShadowMap(m_shadowMap);
@ -4172,9 +4145,6 @@ void CEngine::RenderShadowMap()
m_device->SetRenderState(RENDER_STATE_CULLING, false); m_device->SetRenderState(RENDER_STATE_CULLING, false);
m_device->SetCullMode(CULL_CW); m_device->SetCullMode(CULL_CW);
m_device->GetFramebuffer("default")->Bind();
//m_device->GetFramebuffer("shadow")->Unbind();
// restore default state // restore default state
m_device->SetViewport(0, 0, m_size.x, m_size.y); m_device->SetViewport(0, 0, m_size.x, m_size.y);

9
src/graphics/opengl/gl33renderers.cpp
View File

@ -550,6 +550,13 @@ void CGL33ShadowRenderer::Begin()
glEnable(GL_POLYGON_OFFSET_FILL); glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(2.0f, 8.0f); glPolygonOffset(2.0f, 8.0f);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDisable(GL_BLEND);
glDisable(GL_CULL_FACE);
} }
void CGL33ShadowRenderer::End() void CGL33ShadowRenderer::End()
@ -560,6 +567,8 @@ void CGL33ShadowRenderer::End()
glDisable(GL_POLYGON_OFFSET_FILL); glDisable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(0.0f, 0.0f); glPolygonOffset(0.0f, 0.0f);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
m_device->Restore(); m_device->Restore();
} }