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Fixed rendering for decoupled target texture

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This commit is contained in:
Jack Andersen
2015-11-03 15:58:36 -10:00
parent 30898c6549
commit bc17d5aba8
5 changed files with 175 additions and 82 deletions
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33
lib/graphicsdev/GL.cpp
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@@ -154,8 +154,6 @@ class GLTextureR : public ITextureR
struct GLCommandQueue* m_q;
GLuint m_texs[2];
GLuint m_fbo = 0;
void* m_mappedBuf = nullptr;
size_t m_mappedSize = 0;
size_t m_width = 0;
size_t m_height = 0;
size_t m_samples = 0;
@@ -168,6 +166,16 @@ public:
glActiveTexture(GL_TEXTURE0 + idx);
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
}
void resize(size_t width, size_t height)
{
m_width = width;
m_height = height;
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glBindTexture(GL_TEXTURE_2D, m_texs[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
}
};
ITextureS*
@@ -499,6 +507,7 @@ struct GLCommandQueue : IGraphicsCommandQueue
OpSetShaderDataBinding,
OpSetRenderTarget,
OpSetViewport,
OpResizeRenderTexture,
OpSetClearColor,
OpClearTarget,
OpSetDrawPrimitive,
@@ -523,6 +532,12 @@ struct GLCommandQueue : IGraphicsCommandQueue
size_t count;
size_t instCount;
};
struct
{
ITextureR* tex;
size_t width;
size_t height;
} resize;
};
Command(Op op) : m_op(op) {}
};
@@ -655,6 +670,11 @@ struct GLCommandQueue : IGraphicsCommandQueue
glViewport(cmd.rect.location[0], cmd.rect.location[1],
cmd.rect.size[0], cmd.rect.size[1]);
break;
case Command::OpResizeRenderTexture:
{
GLTextureR* tex = static_cast<GLTextureR*>(cmd.resize.tex);
tex->resize(cmd.resize.width, cmd.resize.height);
}
case Command::OpSetClearColor:
glClearColor(cmd.rgba[0], cmd.rgba[1], cmd.rgba[2], cmd.rgba[3]);
break;
@@ -732,6 +752,15 @@ struct GLCommandQueue : IGraphicsCommandQueue
cmds.emplace_back(Command::OpSetViewport);
cmds.back().rect = rect;
}
void resizeRenderTexture(ITextureR* tex, size_t width, size_t height)
{
std::vector<Command>& cmds = m_cmdBufs[m_fillBuf];
cmds.emplace_back(Command::OpResizeRenderTexture);
cmds.back().resize.tex = tex;
cmds.back().resize.width = width;
cmds.back().resize.height = height;
}
void setClearColor(const float rgba[4])
{