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Added support for independent RGB channel write control.

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This commit is contained in:
Branimir Karadžić
2018-02-13 12:35:23 -08:00
parent bee9ebc414
commit 584b8b34f0
35 changed files with 346 additions and 237 deletions
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39
examples/01-cubes/cubes.cpp
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@@ -80,6 +80,10 @@ class ExampleCubes : public entry::AppI
public:
ExampleCubes(const char* _name, const char* _description)
: entry::AppI(_name, _description)
, m_r(true)
, m_g(true)
, m_b(true)
, m_a(true)
{
}
@@ -163,6 +167,27 @@ public:
showExampleDialog(this);
ImGui::SetNextWindowPos(
ImVec2(m_width - m_width / 5.0f - 10.0f, 10.0f)
, ImGuiCond_FirstUseEver
);
ImGui::SetNextWindowSize(
ImVec2(m_width / 5.0f, m_height / 2.0f)
, ImGuiCond_FirstUseEver
);
ImGui::Begin("Settings"
, NULL
, 0
);
ImGui::Checkbox("Write R", &m_r);
ImGui::Checkbox("Write G", &m_g);
ImGui::Checkbox("Write B", &m_b);
ImGui::Checkbox("Write A", &m_a);
ImGui::End();
imguiEndFrame();
float time = (float)( (bx::getHPCounter()-m_timeOffset)/double(bx::getHPFrequency() ) );
@@ -221,7 +246,14 @@ public:
// Set render states.
bgfx::setState(0
| BGFX_STATE_DEFAULT
| (m_r ? BGFX_STATE_WRITE_R : 0)
| (m_g ? BGFX_STATE_WRITE_G : 0)
| (m_b ? BGFX_STATE_WRITE_B : 0)
| (m_a ? BGFX_STATE_WRITE_A : 0)
| BGFX_STATE_WRITE_Z
| BGFX_STATE_DEPTH_TEST_LESS
| BGFX_STATE_CULL_CW
| BGFX_STATE_MSAA
| BGFX_STATE_PT_TRISTRIP
);
@@ -250,6 +282,11 @@ public:
bgfx::IndexBufferHandle m_ibh;
bgfx::ProgramHandle m_program;
int64_t m_timeOffset;
bool m_r;
bool m_g;
bool m_b;
bool m_a;
};
} // namespace