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Added ability to configure backbuffer depth/stencil.

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This commit is contained in:
Бранимир Караџић
2025-10-28 15:49:09 -07:00
parent f7c4dd70f2
commit 959cab248e
26 changed files with 691 additions and 523 deletions
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56
src/glcontext_html5.cpp
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@@ -64,15 +64,26 @@ namespace bgfx { namespace gl
char* m_canvas;
};
void GlContext::create(uint32_t _width, uint32_t _height, uint32_t /*_flags*/)
void GlContext::create(const Resolution& _resolution)
{
// assert?
if (m_primary != NULL)
if (NULL != m_primary)
{
return;
}
const bimg::ImageBlockInfo& colorBlockInfo = bimg::getBlockInfo(bimg::TextureFormat::Enum(_resolution.formatColor) );
const bimg::ImageBlockInfo& depthStecilBlockInfo = bimg::getBlockInfo(bimg::TextureFormat::Enum(_resolution.formatDepthStencil) );
const char* canvas = (const char*) g_platformData.nwh;
emscripten_webgl_init_context_attributes(&s_attrs);
s_attrs.alpha = 0 != colorBlockInfo.aBits;
s_attrs.premultipliedAlpha = false;
s_attrs.depth = 0 != depthStecilBlockInfo.depthBits;
s_attrs.stencil = 0 != depthStecilBlockInfo.stencilBits;
s_attrs.enableExtensionsByDefault = true;
s_attrs.antialias = false;
s_attrs.minorVersion = 0;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = bx::narrowCast<EMSCRIPTEN_WEBGL_CONTEXT_HANDLE>((uintptr_t) g_platformData.context);
const char* canvas = (const char*)g_platformData.nwh;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = bx::narrowCast<EMSCRIPTEN_WEBGL_CONTEXT_HANDLE>( (uintptr_t) g_platformData.context);
if (context > 0)
{
if (emscripten_webgl_get_context_attributes(context, &s_attrs) >= 0)
@@ -87,13 +98,17 @@ namespace bgfx { namespace gl
}
else
{
m_primary = createSwapChain((void*)canvas, (int)_width, (int)_height);
m_primary = createSwapChain( (void*)canvas, _resolution.width, _resolution.height);
}
if (0 != _width
&& 0 != _height)
if (0 != _resolution.width
&& 0 != _resolution.height)
{
EMSCRIPTEN_CHECK(emscripten_set_canvas_element_size(canvas, (int)_width, (int)_height) );
EMSCRIPTEN_CHECK(emscripten_set_canvas_element_size(
canvas
, _resolution.width
, _resolution.height
) );
}
makeCurrent(m_primary);
@@ -113,32 +128,25 @@ namespace bgfx { namespace gl
}
}
void GlContext::resize(uint32_t _width, uint32_t _height, uint32_t /* _flags */)
void GlContext::resize(const Resolution& _resolution)
{
if (m_primary == NULL)
{
return;
}
EMSCRIPTEN_CHECK(emscripten_set_canvas_element_size(m_primary->m_canvas, (int) _width, (int) _height) );
EMSCRIPTEN_CHECK(emscripten_set_canvas_element_size(
m_primary->m_canvas
, _resolution.width
, _resolution.height
) );
}
SwapChainGL* GlContext::createSwapChain(void* _nwh, int _width, int _height)
SwapChainGL* GlContext::createSwapChain(void* _nwh, int32_t _width, int32_t _height)
{
emscripten_webgl_init_context_attributes(&s_attrs);
BX_UNUSED(_width, _height);
// Work around bug https://bugs.chromium.org/p/chromium/issues/detail?id=1045643 in Chrome
// by having alpha always enabled.
s_attrs.alpha = true;
s_attrs.premultipliedAlpha = false;
s_attrs.depth = true;
s_attrs.stencil = true;
s_attrs.enableExtensionsByDefault = true;
s_attrs.antialias = false;
s_attrs.minorVersion = 0;
const char* canvas = (const char*) _nwh;
const char* canvas = (const char*)_nwh;
int32_t error = 0;
for (int version = 2; version >= 1; --version)