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GPU: Implement fill VRAM command

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This commit is contained in:
Connor McLaughlin
2019-09-14 16:43:39 +10:00
parent 46870c6a7a
commit 851ef67814
9 changed files with 82 additions and 10 deletions
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15
src/pse/gpu_hw_opengl.cpp
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@ -110,7 +110,7 @@ bool GPU_HW_OpenGL::CompilePrograms()
const std::string screen_quad_vs = GenerateScreenQuadVertexShader();
for (u32 palette_size = 0; palette_size < static_cast<u32>(m_texture_page_programs.size()); palette_size++)
{
const std::string fs = GenerateTexturePageProgram(static_cast<TextureColorMode>(palette_size));
const std::string fs = GenerateTexturePageFragmentShader(static_cast<TextureColorMode>(palette_size));
GL::Program& prog = m_texture_page_programs[palette_size];
if (!prog.Compile(screen_quad_vs.c_str(), fs.c_str()))
@ -199,6 +199,19 @@ void GPU_HW_OpenGL::UpdateDisplay()
m_system->GetHostInterface()->SetDisplayTexture(m_framebuffer_texture.get(), 0, 0, VRAM_WIDTH, VRAM_HEIGHT);
}
void GPU_HW_OpenGL::FillVRAM(u32 x, u32 y, u32 width, u32 height, u32 color)
{
glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer_fbo_id);
glEnable(GL_SCISSOR_TEST);
glScissor(x, VRAM_HEIGHT - y - height, width, height);
const auto [r, g, b, a] = RGBA8ToFloat(color);
glClearColor(r, g, b, a);
glClear(GL_COLOR_BUFFER_BIT);
glDisable(GL_SCISSOR_TEST);
}
void GPU_HW_OpenGL::UpdateVRAM(u32 x, u32 y, u32 width, u32 height, const void* data)
{
std::vector<u32> rgba_data;