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Differential D2877 Diff 12656 source/renderer/ShadowMap.cpp

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source/renderer/ShadowMap.cpp

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ShadowMap::~ShadowMap() ShadowMap::~ShadowMap()
{ {
if (m->Texture) if (m->Texture)
glDeleteTextures(1, &m->Texture); glDeleteTextures(1, &m->Texture);
if (m->DummyTexture) if (m->DummyTexture)
glDeleteTextures(1, &m->DummyTexture); glDeleteTextures(1, &m->DummyTexture);
if (m->Framebuffer) if (m->Framebuffer)
pglDeleteFramebuffersEXT(1, &m->Framebuffer); glDeleteFramebuffersEXT(1, &m->Framebuffer);
delete m; delete m;
} }
/////////////////////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////////////////////////
// Force the texture/buffer/etc to be recreated, particularly when the renderer's // Force the texture/buffer/etc to be recreated, particularly when the renderer's
// size has changed // size has changed
void ShadowMap::RecreateTexture() void ShadowMap::RecreateTexture()
{ {
if (m->Texture) if (m->Texture)
glDeleteTextures(1, &m->Texture); glDeleteTextures(1, &m->Texture);
if (m->DummyTexture) if (m->DummyTexture)
glDeleteTextures(1, &m->DummyTexture); glDeleteTextures(1, &m->DummyTexture);
if (m->Framebuffer) if (m->Framebuffer)
pglDeleteFramebuffersEXT(1, &m->Framebuffer); glDeleteFramebuffersEXT(1, &m->Framebuffer);
m->Texture = 0; m->Texture = 0;
m->DummyTexture = 0; m->DummyTexture = 0;
m->Framebuffer = 0; m->Framebuffer = 0;
// (Texture will be constructed in next SetupFrame) // (Texture will be constructed in next SetupFrame)
} }
▲ Show 20 Lines • Show All 231 Lines • ▼ Show 20 Linesvoid ShadowMapInternals::CreateTexture()
} }
if (DummyTexture) if (DummyTexture)
{ {
glDeleteTextures(1, &DummyTexture); glDeleteTextures(1, &DummyTexture);
DummyTexture = 0; DummyTexture = 0;
} }
if (Framebuffer) if (Framebuffer)
{ {
pglDeleteFramebuffersEXT(1, &Framebuffer); glDeleteFramebuffersEXT(1, &Framebuffer);
Framebuffer = 0; Framebuffer = 0;
} }
// save the caller's FBO // save the caller's FBO
glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &SavedViewFBO); glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &SavedViewFBO);
pglGenFramebuffersEXT(1, &Framebuffer); glGenFramebuffersEXT(1, &Framebuffer);
if (g_Renderer.m_ShadowMapSize != 0) if (g_Renderer.m_ShadowMapSize != 0)
{ {
// non-default option to override the size // non-default option to override the size
Width = Height = g_Renderer.m_ShadowMapSize; Width = Height = g_Renderer.m_ShadowMapSize;
} }
else else
{ {
▲ Show 20 Lines • Show All 97 Lines • ▼ Show 20 Lines#else
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
#endif #endif
ogl_WarnIfError(); ogl_WarnIfError();
// bind to framebuffer object // bind to framebuffer object
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0);
if (g_RenderingOptions.GetShadowAlphaFix()) if (g_RenderingOptions.GetShadowAlphaFix())
{ {
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0); glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0);
} }
else else
{ {
#if CONFIG2_GLES #if CONFIG2_GLES
#warning TODO: figure out whether the glDrawBuffer/glReadBuffer stuff is needed, since it is not supported by GLES #warning TODO: figure out whether the glDrawBuffer/glReadBuffer stuff is needed, since it is not supported by GLES
#else #else
glDrawBuffer(GL_NONE); glDrawBuffer(GL_NONE);
#endif #endif
} }
#if !CONFIG2_GLES #if !CONFIG2_GLES
glReadBuffer(GL_NONE); glReadBuffer(GL_NONE);
#endif #endif
ogl_WarnIfError(); ogl_WarnIfError();
GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, SavedViewFBO); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, SavedViewFBO);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{ {
LOGWARNING("Framebuffer object incomplete: 0x%04X", status); LOGWARNING("Framebuffer object incomplete: 0x%04X", status);
// Disable shadow rendering (but let the user try again if they want) // Disable shadow rendering (but let the user try again if they want)
g_RenderingOptions.SetShadows(false); g_RenderingOptions.SetShadows(false);
} }
} }
/////////////////////////////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////////////////////////////
// Set up to render into shadow map texture // Set up to render into shadow map texture
void ShadowMap::BeginRender() void ShadowMap::BeginRender()
{ {
// Calc remaining shadow matrices // Calc remaining shadow matrices
m->CalcShadowMatrices(); m->CalcShadowMatrices();
{ {
PROFILE("bind framebuffer"); PROFILE("bind framebuffer");
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m->Framebuffer); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m->Framebuffer);
} }
// clear buffers // clear buffers
{ {
PROFILE("clear depth texture"); PROFILE("clear depth texture");
// In case we used m_ShadowAlphaFix, we ought to clear the unused // In case we used m_ShadowAlphaFix, we ought to clear the unused
// color buffer too, else Mali 400 drivers get confused. // color buffer too, else Mali 400 drivers get confused.
// Might as well clear stencil too for completeness. // Might as well clear stencil too for completeness.
Show All 29 Lines
void ShadowMap::EndRender() void ShadowMap::EndRender()
{ {
glDisable(GL_SCISSOR_TEST); glDisable(GL_SCISSOR_TEST);
g_Renderer.SetViewCamera(m->SavedViewCamera); g_Renderer.SetViewCamera(m->SavedViewCamera);
{ {
PROFILE("unbind framebuffer"); PROFILE("unbind framebuffer");
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
} }
const SViewPort vp = { 0, 0, g_Renderer.GetWidth(), g_Renderer.GetHeight() }; const SViewPort vp = { 0, 0, g_Renderer.GetWidth(), g_Renderer.GetHeight() };
g_Renderer.SetViewport(vp); g_Renderer.SetViewport(vp);
glColorMask(1,1,1,1); glColorMask(1,1,1,1);
} }
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Wildfire Games · Phabricator