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Add support for ECF_D24 texture format

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and prefer it over D32 for our depth buffer, this can have performance benefits
This commit is contained in:
sfan5 2024-11-08 12:27:51 +01:00
parent 3c42cc8684
commit 4aae31ad5e
6 changed files with 15 additions and 2 deletions
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3
irr/include/IImage.h
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@ -328,6 +328,8 @@ public:
return 32;
case ECF_D16:
return 16;
case ECF_D24:
return 32;
case ECF_D32:
return 32;
case ECF_D24S8:
@ -378,6 +380,7 @@ public:
{
switch (format) {
case ECF_D16:
case ECF_D24:
case ECF_D32:
case ECF_D24S8:
return true;

4
irr/include/SColor.h
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@ -77,6 +77,9 @@ enum ECOLOR_FORMAT
//! 16 bit format using 16 bits for depth.
ECF_D16,
//! 32 bit(?) format using 24 bits for depth.
ECF_D24,
//! 32 bit format using 32 bits for depth.
ECF_D32,
@ -104,6 +107,7 @@ const c8 *const ColorFormatNames[ECF_UNKNOWN + 2] = {
"R16",
"R16G16",
"D16",
"D24",
"D32",
"D24S8",
"UNKNOWN",

1
irr/src/OpenGL3/Driver.cpp
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@ -59,6 +59,7 @@ void COpenGL3Driver::initFeatures()
TextureFormats[ECF_R16] = {GL_R16, GL_RED, GL_UNSIGNED_SHORT};
TextureFormats[ECF_R16G16] = {GL_RG16, GL_RG, GL_UNSIGNED_SHORT};
TextureFormats[ECF_D16] = {GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
TextureFormats[ECF_D24] = {GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT};
TextureFormats[ECF_D32] = {GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT}; // WARNING: may not be renderable (?!)
TextureFormats[ECF_D24S8] = {GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8};

1
irr/src/OpenGLES2/Driver.cpp
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@ -50,6 +50,7 @@ void COpenGLES2Driver::initFeatures()
TextureFormats[ECF_R8] = {GL_R8, GL_RED, GL_UNSIGNED_BYTE};
TextureFormats[ECF_R8G8] = {GL_RG8, GL_RG, GL_UNSIGNED_BYTE};
TextureFormats[ECF_D16] = {GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT};
TextureFormats[ECF_D24] = {GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT};
TextureFormats[ECF_D24S8] = {GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8};
if (FeatureAvailable[IRR_GL_EXT_texture_format_BGRA8888])

4
src/client/render/plain.cpp
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@ -162,8 +162,8 @@ video::ECOLOR_FORMAT selectColorFormat(video::IVideoDriver *driver)
video::ECOLOR_FORMAT selectDepthFormat(video::IVideoDriver *driver)
{
if (driver->queryTextureFormat(video::ECF_D32))
return video::ECF_D32;
if (driver->queryTextureFormat(video::ECF_D24))
return video::ECF_D24;
if (driver->queryTextureFormat(video::ECF_D24S8))
return video::ECF_D24S8;
return video::ECF_D16; // fallback depth format

4
src/client/render/secondstage.cpp
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@ -90,6 +90,10 @@ RenderStep *addPostProcessing(RenderPipeline *pipeline, RenderStep *previousStep
video::ECOLOR_FORMAT color_format = selectColorFormat(driver);
video::ECOLOR_FORMAT depth_format = selectDepthFormat(driver);
verbosestream << "addPostProcessing(): color = "
<< video::ColorFormatNames[color_format] << " depth = "
<< video::ColorFormatNames[depth_format] << std::endl;
// init post-processing buffer
static const u8 TEXTURE_COLOR = 0;
static const u8 TEXTURE_DEPTH = 1;