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Added framebuffer support test.

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This commit is contained in:
Branimir Karadžić 2015-05-18 12:39:42 -07:00
parent fb01830ee0
commit c4231c9731
5 changed files with 130 additions and 24 deletions
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13
include/bgfxdefines.h
View file

@ -345,12 +345,13 @@
#define BGFX_CAPS_DRAW_INDIRECT UINT64_C(0x0000000000002000)
///
#define BGFX_CAPS_FORMAT_TEXTURE_NONE UINT8_C(0x00)
#define BGFX_CAPS_FORMAT_TEXTURE_COLOR UINT8_C(0x01)
#define BGFX_CAPS_FORMAT_TEXTURE_COLOR_SRGB UINT8_C(0x02)
#define BGFX_CAPS_FORMAT_TEXTURE_EMULATED UINT8_C(0x04)
#define BGFX_CAPS_FORMAT_TEXTURE_VERTEX UINT8_C(0x08)
#define BGFX_CAPS_FORMAT_TEXTURE_IMAGE UINT8_C(0x10)
#define BGFX_CAPS_FORMAT_TEXTURE_NONE UINT8_C(0x00)
#define BGFX_CAPS_FORMAT_TEXTURE_COLOR UINT8_C(0x01)
#define BGFX_CAPS_FORMAT_TEXTURE_COLOR_SRGB UINT8_C(0x02)
#define BGFX_CAPS_FORMAT_TEXTURE_EMULATED UINT8_C(0x04)
#define BGFX_CAPS_FORMAT_TEXTURE_VERTEX UINT8_C(0x08)
#define BGFX_CAPS_FORMAT_TEXTURE_IMAGE UINT8_C(0x10)
#define BGFX_CAPS_FORMAT_TEXTURE_FRAMEBUFFER UINT8_C(0x20)
///
#define BGFX_VIEW_NONE UINT8_C(0x00)

14
src/bgfx.cpp
View file

@ -857,22 +857,24 @@ namespace bgfx
}
BX_TRACE("Supported texture formats:");
BX_TRACE("\t +-------- x = supported / * = emulated");
BX_TRACE("\t |+------- sRGB format");
BX_TRACE("\t ||+------ vertex format");
BX_TRACE("\t |||+----- image");
BX_TRACE("\t |||| +-- name");
BX_TRACE("\t +--------- x = supported / * = emulated");
BX_TRACE("\t |+-------- sRGB format");
BX_TRACE("\t ||+------- vertex format");
BX_TRACE("\t |||+------ image");
BX_TRACE("\t ||||+----- framebuffer");
BX_TRACE("\t ||||| +-- name");
for (uint32_t ii = 0; ii < TextureFormat::Count; ++ii)
{
if (TextureFormat::Unknown != ii
&& TextureFormat::UnknownDepth != ii)
{
uint8_t flags = g_caps.formats[ii];
BX_TRACE("\t[%c%c%c%c] %s"
BX_TRACE("\t[%c%c%c%c%c] %s"
, flags&BGFX_CAPS_FORMAT_TEXTURE_COLOR ? 'x' : flags&BGFX_CAPS_FORMAT_TEXTURE_EMULATED ? '*' : ' '
, flags&BGFX_CAPS_FORMAT_TEXTURE_COLOR_SRGB ? 'l' : ' '
, flags&BGFX_CAPS_FORMAT_TEXTURE_VERTEX ? 'v' : ' '
, flags&BGFX_CAPS_FORMAT_TEXTURE_IMAGE ? 'i' : ' '
, flags&BGFX_CAPS_FORMAT_TEXTURE_FRAMEBUFFER ? 'f' : ' '
, getName(TextureFormat::Enum(ii) )
);
BX_UNUSED(flags);

13
src/renderer_d3d11.cpp
View file

@ -949,7 +949,10 @@ BX_PRAGMA_DIAGNOSTIC_POP();
{
uint8_t support = BGFX_CAPS_FORMAT_TEXTURE_NONE;
const DXGI_FORMAT fmt = s_textureFormat[ii].m_fmt;
const DXGI_FORMAT fmt = isDepth(TextureFormat::Enum(ii) )
? s_textureFormat[ii].m_fmtDsv
: s_textureFormat[ii].m_fmt
;
const DXGI_FORMAT fmtSrgb = s_textureFormat[ii].m_fmtSrgb;
if (DXGI_FORMAT_UNKNOWN != fmt)
@ -989,6 +992,14 @@ BX_PRAGMA_DIAGNOSTIC_POP();
? BGFX_CAPS_FORMAT_TEXTURE_IMAGE
: BGFX_CAPS_FORMAT_TEXTURE_NONE
;
support |= 0 != (data.OutFormatSupport & (0
| D3D11_FORMAT_SUPPORT_RENDER_TARGET
| D3D11_FORMAT_SUPPORT_DEPTH_STENCIL
) )
? BGFX_CAPS_FORMAT_TEXTURE_FRAMEBUFFER
: BGFX_CAPS_FORMAT_TEXTURE_NONE
;
}
else
{

8
src/renderer_d3d9.cpp
View file

@ -548,6 +548,14 @@ namespace bgfx { namespace d3d9
, s_textureFormat[ii].m_fmt
) ) ? BGFX_CAPS_FORMAT_TEXTURE_VERTEX : BGFX_CAPS_FORMAT_TEXTURE_NONE;
support |= SUCCEEDED(m_d3d9->CheckDeviceFormat(m_adapter
, m_deviceType
, adapterFormat
, isDepth(TextureFormat::Enum(ii) ) ? D3DUSAGE_DEPTHSTENCIL : D3DUSAGE_RENDERTARGET
, D3DRTYPE_TEXTURE
, s_textureFormat[ii].m_fmt
) ) ? BGFX_CAPS_FORMAT_TEXTURE_FRAMEBUFFER : BGFX_CAPS_FORMAT_TEXTURE_NONE;
g_caps.formats[ii] = support;
}
}

106
src/renderer_gl.cpp
View file

@ -949,6 +949,27 @@ namespace bgfx { namespace gl
tfi.m_type = _type;
}
void initTestTexture(TextureFormat::Enum _format, bool srgb = false)
{
const TextureFormatInfo& tfi = s_textureFormat[_format];
GLenum internalFmt = srgb
? tfi.m_internalFmtSrgb
: tfi.m_internalFmt
;
GLsizei size = (16*16*getBitsPerPixel(_format) )/8;
void* data = alloca(size);
if (isCompressed(_format) )
{
glCompressedTexImage2D(GL_TEXTURE_2D, 0, internalFmt, 16, 16, 0, size, data);
}
else
{
glTexImage2D(GL_TEXTURE_2D, 0, internalFmt, 16, 16, 0, tfi.m_fmt, tfi.m_type, data);
}
}
bool isTextureFormatValid(TextureFormat::Enum _format, bool srgb = false)
{
const TextureFormatInfo& tfi = s_textureFormat[_format];
@ -965,17 +986,7 @@ namespace bgfx { namespace gl
GL_CHECK(glGenTextures(1, &id) );
GL_CHECK(glBindTexture(GL_TEXTURE_2D, id) );
GLsizei size = (16*16*getBitsPerPixel(_format) )/8;
void* data = alloca(size);
if (isCompressed(_format) )
{
glCompressedTexImage2D(GL_TEXTURE_2D, 0, internalFmt, 16, 16, 0, size, data);
}
else
{
glTexImage2D(GL_TEXTURE_2D, 0, internalFmt, 16, 16, 0, tfi.m_fmt, tfi.m_type, data);
}
initTestTexture(_format);
GLenum err = glGetError();
BX_WARN(0 == err, "TextureFormat::%s is not supported (%x: %s).", getName(_format), err, glEnumName(err) );
@ -985,6 +996,74 @@ namespace bgfx { namespace gl
return 0 == err;
}
bool isFramebufferFormatValid(TextureFormat::Enum _format, bool srgb = false)
{
const TextureFormatInfo& tfi = s_textureFormat[_format];
GLenum internalFmt = srgb
? tfi.m_internalFmtSrgb
: tfi.m_internalFmt
;
if (GL_ZERO == internalFmt
|| !tfi.m_supported)
{
return false;
}
GLuint fbo;
GL_CHECK(glGenFramebuffers(1, &fbo) );
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, fbo) );
GLuint id;
GL_CHECK(glGenTextures(1, &id) );
GL_CHECK(glBindTexture(GL_TEXTURE_2D, id) );
initTestTexture(_format);
GLenum err = glGetError();
GLenum attachment;
if (isDepth(_format) )
{
const ImageBlockInfo& info = getBlockInfo(_format);
if (0 < info.stencilBits)
{
attachment = GL_DEPTH_STENCIL_ATTACHMENT;
}
else if (0 == info.depthBits)
{
attachment = GL_STENCIL_ATTACHMENT;
}
else
{
attachment = GL_DEPTH_ATTACHMENT;
}
}
else
{
attachment = GL_COLOR_ATTACHMENT0;
}
glFramebufferTexture2D(GL_FRAMEBUFFER
, attachment
, GL_TEXTURE_2D
, id
, 0
);
err = glGetError();
if (0 == err)
{
err = glCheckFramebufferStatus(GL_FRAMEBUFFER);
}
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, 0) );
GL_CHECK(glDeleteFramebuffers(1, &fbo) );
GL_CHECK(glDeleteTextures(1, &id) );
return GL_FRAMEBUFFER_COMPLETE == err;
}
static void getFilters(uint32_t _flags, bool _hasMips, GLenum& _magFilter, GLenum& _minFilter)
{
const uint32_t mag = (_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
@ -1394,6 +1473,11 @@ namespace bgfx { namespace gl
: BGFX_CAPS_FORMAT_TEXTURE_NONE
;
supported |= isFramebufferFormatValid(TextureFormat::Enum(ii) )
? BGFX_CAPS_FORMAT_TEXTURE_FRAMEBUFFER
: BGFX_CAPS_FORMAT_TEXTURE_NONE
;
g_caps.formats[ii] = supported;
}