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OpenGLHostDisplay: Allow filtering to be toggled for GLES2 path

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This commit is contained in:
Connor McLaughlin 2021-02-05 02:28:03 +10:00
parent d455b61d5e
commit 43d1495a63
2 changed files with 38 additions and 25 deletions
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59
src/frontend-common/opengl_host_display.cpp
View File

@ -156,6 +156,35 @@ bool OpenGLHostDisplay::DownloadTexture(const void* texture_handle, HostDisplayP
return true;
}
void OpenGLHostDisplay::BindDisplayPixelsTexture()
{
if (m_display_pixels_texture_id == 0)
{
glGenTextures(1, &m_display_pixels_texture_id);
glBindTexture(GL_TEXTURE_2D, m_display_pixels_texture_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_display_linear_filtering ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, m_display_linear_filtering ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
m_display_texture_is_linear_filtered = m_display_linear_filtering;
}
else
{
glBindTexture(GL_TEXTURE_2D, m_display_pixels_texture_id);
}
}
void OpenGLHostDisplay::UpdateDisplayPixelsTextureFilter()
{
if (m_display_linear_filtering == m_display_texture_is_linear_filtered)
return;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_display_linear_filtering ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, m_display_linear_filtering ? GL_LINEAR : GL_NEAREST);
m_display_texture_is_linear_filtered = m_display_linear_filtering;
}
bool OpenGLHostDisplay::SupportsDisplayPixelFormat(HostDisplayPixelFormat format) const
{
return (std::get<0>(s_display_pixel_format_mapping[static_cast<u32>(format)]) != static_cast<GLenum>(0));
@ -183,17 +212,7 @@ bool OpenGLHostDisplay::BeginSetDisplayPixels(HostDisplayPixelFormat format, u32
*out_buffer = map.pointer;
*out_pitch = stride;
if (m_display_pixels_texture_id == 0)
{
glGenTextures(1, &m_display_pixels_texture_id);
glBindTexture(GL_TEXTURE_2D, m_display_pixels_texture_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
}
BindDisplayPixelsTexture();
SetDisplayTexture(reinterpret_cast<void*>(static_cast<uintptr_t>(m_display_pixels_texture_id)), format, width, height,
0, 0, width, height);
return true;
@ -223,20 +242,7 @@ void OpenGLHostDisplay::EndSetDisplayPixels()
bool OpenGLHostDisplay::SetDisplayPixels(HostDisplayPixelFormat format, u32 width, u32 height, const void* buffer,
u32 pitch)
{
if (m_display_pixels_texture_id == 0)
{
glGenTextures(1, &m_display_pixels_texture_id);
glBindTexture(GL_TEXTURE_2D, m_display_pixels_texture_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
}
else
{
glBindTexture(GL_TEXTURE_2D, m_display_pixels_texture_id);
}
BindDisplayPixelsTexture();
const auto [gl_internal_format, gl_format, gl_type] = s_display_pixel_format_mapping[static_cast<u32>(format)];
const u32 pixel_size = GetDisplayPixelFormatSize(format);
@ -789,6 +795,9 @@ void OpenGLHostDisplay::RenderDisplay(s32 left, s32 bottom, s32 width, s32 heigh
}
else
{
if (static_cast<GLuint>(reinterpret_cast<uintptr_t>(texture_handle)) == m_display_pixels_texture_id)
UpdateDisplayPixelsTextureFilter();
DrawFullscreenQuadES2(m_display_texture_view_x, m_display_texture_view_y, m_display_texture_view_width,
m_display_texture_view_height, m_display_texture_width, m_display_texture_height);
}

4
src/frontend-common/opengl_host_display.h
View File

@ -76,6 +76,9 @@ protected:
virtual void DestroyImGuiContext() override;
virtual bool UpdateImGuiFontTexture() override;
void BindDisplayPixelsTexture();
void UpdateDisplayPixelsTextureFilter();
void RenderDisplay();
void RenderImGui();
void RenderSoftwareCursor();
@ -116,6 +119,7 @@ protected:
std::unique_ptr<GL::StreamBuffer> m_post_processing_ubo;
std::vector<PostProcessingStage> m_post_processing_stages;
bool m_display_texture_is_linear_filtered = false;
bool m_use_gles2_draw_path = false;
std::vector<u8> m_gles2_pixels_repack_buffer;
};