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GPU: 24-bit display depth support

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This commit is contained in:
Connor McLaughlin
2019-10-05 12:31:48 +10:00
parent 64aa3f56c3
commit c2baa7e834
4 changed files with 104 additions and 5 deletions
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44
src/core/gpu_hw_opengl.cpp
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@ -300,6 +300,21 @@ bool GPU_HW_OpenGL::CompilePrograms()
}
}
// TODO: Use string_view
if (!m_reinterpret_rgb8_program.Compile(GenerateScreenQuadVertexShader().c_str(),
GenerateRGB24DecodeFragmentShader().c_str()))
{
return false;
}
m_reinterpret_rgb8_program.BindFragData(0, "o_col0");
if (!m_reinterpret_rgb8_program.Link())
return false;
m_reinterpret_rgb8_program.Bind();
m_reinterpret_rgb8_program.RegisterUniform("u_base_coords");
m_reinterpret_rgb8_program.RegisterUniform("samp0");
m_reinterpret_rgb8_program.Uniform1i(1, 0);
return true;
}
@ -404,7 +419,6 @@ void GPU_HW_OpenGL::UpdateDisplay()
const u32 texture_width = m_vram_texture->GetWidth();
const u32 texture_height = m_vram_texture->GetHeight();
// TODO: 24-bit support.
if (m_debug_options.show_vram)
{
m_system->GetHostInterface()->SetDisplayTexture(m_vram_texture.get(), 0, 0, texture_width, texture_height, 1.0f);
@ -419,9 +433,31 @@ void GPU_HW_OpenGL::UpdateDisplay()
((vram_offset_x + display_width) > texture_width) ? (texture_width - vram_offset_x) : display_width;
const u32 copy_height =
((vram_offset_y + display_height) > texture_height) ? (texture_height - vram_offset_y) : display_height;
glCopyImageSubData(m_vram_texture->GetGLId(), GL_TEXTURE_2D, 0, vram_offset_x,
texture_height - vram_offset_y - copy_height, 0, m_display_texture->GetGLId(), GL_TEXTURE_2D, 0,
0, 0, 0, copy_width, copy_height, 1);
if (m_GPUSTAT.display_area_color_depth_24)
{
glBindFramebuffer(GL_FRAMEBUFFER, m_display_fbo);
glViewport(0, 0, copy_width, copy_height);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
m_reinterpret_rgb8_program.Bind();
m_reinterpret_rgb8_program.Uniform2i(0, vram_offset_x, texture_height - vram_offset_y - copy_height);
m_vram_texture->Bind();
glDrawArrays(GL_TRIANGLES, 0, 3);
// restore state
glBindFramebuffer(GL_FRAMEBUFFER, m_vram_fbo);
glViewport(0, 0, m_vram_texture->GetWidth(), m_vram_texture->GetHeight());
glEnable(GL_SCISSOR_TEST);
if (m_last_transparency_enable)
glEnable(GL_BLEND);
}
else
{
glCopyImageSubData(m_vram_texture->GetGLId(), GL_TEXTURE_2D, 0, vram_offset_x,
texture_height - vram_offset_y - copy_height, 0, m_display_texture->GetGLId(), GL_TEXTURE_2D,
0, 0, 0, 0, copy_width, copy_height, 1);
}
m_system->GetHostInterface()->SetDisplayTexture(m_display_texture.get(), 0, 0, copy_width, copy_height,
DISPLAY_ASPECT_RATIO);