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Add front-face culling support

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This commit is contained in:
Jack Andersen
2017-03-10 10:38:00 -10:00
parent 5c52877549
commit ca20aea834
11 changed files with 83 additions and 28 deletions
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13
lib/graphicsdev/GL.cpp
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@@ -416,7 +416,7 @@ class GLShaderPipeline : public IShaderPipeline
GLenum m_drawPrim = GL_TRIANGLES;
bool m_depthTest = true;
bool m_depthWrite = true;
bool m_backfaceCulling = true;
CullMode m_culling;
std::vector<GLint> m_uniLocs;
GLShaderPipeline() = default;
public:
@@ -435,7 +435,7 @@ public:
m_drawPrim = other.m_drawPrim;
m_depthTest = other.m_depthTest;
m_depthWrite = other.m_depthWrite;
m_backfaceCulling = other.m_backfaceCulling;
m_culling = other.m_culling;
m_uniLocs = std::move(other.m_uniLocs);
return *this;
}
@@ -460,8 +460,11 @@ public:
glDepthMask(m_depthWrite);
glDepthFunc(GL_LEQUAL);
if (m_backfaceCulling)
if (m_culling != CullMode::None)
{
glEnable(GL_CULL_FACE);
glCullFace(m_culling == CullMode::Backface ? GL_BACK : GL_FRONT);
}
else
glDisable(GL_CULL_FACE);
@@ -496,7 +499,7 @@ IShaderPipeline* GLDataFactory::Context::newShaderPipeline
size_t texCount, const char** texNames,
size_t uniformBlockCount, const char** uniformBlockNames,
BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
bool depthTest, bool depthWrite, bool backfaceCulling)
bool depthTest, bool depthWrite, CullMode culling)
{
GLDataFactoryImpl& factory = static_cast<GLDataFactoryImpl&>(m_parent);
GLShaderPipeline shader;
@@ -631,7 +634,7 @@ IShaderPipeline* GLDataFactory::Context::newShaderPipeline
shader.m_dfactor = BLEND_FACTOR_TABLE[int(dstFac)];
shader.m_depthTest = depthTest;
shader.m_depthWrite = depthWrite;
shader.m_backfaceCulling = backfaceCulling;
shader.m_culling = culling;
shader.m_drawPrim = PRIMITIVE_TABLE[int(prim)];
GLShaderPipeline* retval = new GLShaderPipeline(std::move(shader));