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GL: MSAA texture.

This commit is contained in:
Branimir Karadžić 2016-04-20 22:19:12 -07:00
parent 2385b87804
commit be8b66a96b
2 changed files with 44 additions and 13 deletions
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43
src/renderer_gl.cpp
View File

@ -3410,7 +3410,6 @@ namespace bgfx { namespace gl
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT) );
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR) );
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) );
GL_CHECK(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAX_LEVEL, 0) );
}
}
@ -3580,6 +3579,10 @@ namespace bgfx { namespace gl
GLSL_TYPE(GL_INT_SAMPLER_CUBE);
GLSL_TYPE(GL_UNSIGNED_INT_SAMPLER_CUBE);
GLSL_TYPE(GL_SAMPLER_2D_MULTISAMPLE);
GLSL_TYPE(GL_INT_SAMPLER_2D_MULTISAMPLE);
GLSL_TYPE(GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE);
GLSL_TYPE(GL_SAMPLER_2D_SHADOW);
GLSL_TYPE(GL_IMAGE_1D);
@ -3670,6 +3673,10 @@ namespace bgfx { namespace gl
case GL_SAMPLER_2D_SHADOW:
case GL_SAMPLER_2D_MULTISAMPLE:
case GL_INT_SAMPLER_2D_MULTISAMPLE:
case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
case GL_IMAGE_1D:
case GL_INT_IMAGE_1D:
case GL_UNSIGNED_INT_IMAGE_1D:
@ -4151,17 +4158,22 @@ namespace bgfx { namespace gl
m_vcref.invalidate(s_renderGL->m_vaoStateCache);
}
static void texImage(GLenum _target, GLint _level, GLint _internalFormat, GLsizei _width, GLsizei _height, GLsizei _depth, GLint _border, GLenum _format, GLenum _type, const GLvoid* _data)
static void texImage(GLenum _target, uint32_t _msaaQuality, GLint _level, GLint _internalFormat, GLsizei _width, GLsizei _height, GLsizei _depth, GLint _border, GLenum _format, GLenum _type, const GLvoid* _data)
{
if (_target == GL_TEXTURE_3D)
{
GL_CHECK(glTexImage3D(_target, _level, _internalFormat, _width, _height, _depth, _border, _format, _type, _data) );
}
else if (_target == GL_TEXTURE_2D_MULTISAMPLE)
{
GL_CHECK(glTexImage2DMultisample(_target, _msaaQuality, _internalFormat, _width, _height, false) );
}
else
{
BX_UNUSED(_depth);
GL_CHECK(glTexImage2D(_target, _level, _internalFormat, _width, _height, _border, _format, _type, _data) );
}
BX_UNUSED(_msaaQuality, _depth, _border, _data);
}
static void texSubImage(GLenum _target, GLint _level, GLint _xoffset, GLint _yoffset, GLint _zoffset, GLsizei _width, GLsizei _height, GLsizei _depth, GLenum _format, GLenum _type, const GLvoid* _data)
@ -4348,7 +4360,14 @@ namespace bgfx { namespace gl
m_requestedFormat = uint8_t(imageContainer.m_format);
m_textureFormat = uint8_t(getViableTextureFormat(imageContainer) );
GLenum target = GL_TEXTURE_2D;
const bool computeWrite = 0 != (_flags&BGFX_TEXTURE_COMPUTE_WRITE);
const bool srgb = 0 != (_flags&BGFX_TEXTURE_SRGB);
const bool msaaSample = 0 != (_flags&BGFX_TEXTURE_MSAA_SAMPLE);
uint32_t msaaQuality = ( (_flags&BGFX_TEXTURE_RT_MSAA_MASK)>>BGFX_TEXTURE_RT_MSAA_SHIFT);
msaaQuality = bx::uint32_satsub(msaaQuality, 1);
msaaQuality = bx::uint32_min(s_renderGL->m_maxMsaa, msaaQuality == 0 ? 0 : 1<<msaaQuality);
GLenum target = msaaSample ? GL_TEXTURE_2D_MULTISAMPLE : GL_TEXTURE_2D;
if (imageContainer.m_cubeMap)
{
target = GL_TEXTURE_CUBE_MAP;
@ -4369,9 +4388,6 @@ namespace bgfx { namespace gl
return;
}
const bool computeWrite = 0 != (m_flags&BGFX_TEXTURE_COMPUTE_WRITE);
const bool srgb = 0 != (m_flags&BGFX_TEXTURE_SRGB);
target = GL_TEXTURE_CUBE_MAP == m_target ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : m_target;
const GLenum internalFmt = srgb
@ -4461,6 +4477,7 @@ namespace bgfx { namespace gl
}
texImage(target+side
, msaaQuality
, lod
, internalFmt
, width
@ -4496,6 +4513,7 @@ namespace bgfx { namespace gl
else
{
texImage(target+side
, msaaQuality
, lod
, internalFmt
, width
@ -4692,7 +4710,8 @@ namespace bgfx { namespace gl
if (hash != m_currentSamplerHash)
{
const GLenum target = m_target;
const GLenum target = m_target == GL_TEXTURE_2D_MULTISAMPLE ? GL_TEXTURE_2D : m_target;
const GLenum targetMsaa = m_target;
const uint8_t numMips = m_numMips;
GL_CHECK(glTexParameteri(target, GL_TEXTURE_WRAP_S, s_textureAddress[(flags&BGFX_TEXTURE_U_MASK)>>BGFX_TEXTURE_U_SHIFT]) );
@ -4701,7 +4720,7 @@ namespace bgfx { namespace gl
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL || BGFX_CONFIG_RENDERER_OPENGLES >= 30)
|| s_extension[Extension::APPLE_texture_max_level].m_supported)
{
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, numMips-1) );
GL_CHECK(glTexParameteri(targetMsaa, GL_TEXTURE_MAX_LEVEL, numMips-1) );
}
if (target == GL_TEXTURE_3D)
@ -4736,12 +4755,12 @@ namespace bgfx { namespace gl
const uint32_t cmpFunc = (flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
if (0 == cmpFunc)
{
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
GL_CHECK(glTexParameteri(target, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
}
else
{
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
GL_CHECK(glTexParameteri(target, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
GL_CHECK(glTexParameteri(target, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
}
}

12
src/renderer_gl.h
View File

@ -640,6 +640,18 @@ typedef uint64_t GLuint64;
# define GL_UNSIGNED_INT_SAMPLER_CUBE 0x8DD4
#endif // GL_UNSIGNED_INT_SAMPLER_CUBE
#ifndef GL_SAMPLER_2D_MULTISAMPLE
# define GL_SAMPLER_2D_MULTISAMPLE 0x9108
#endif // GL_SAMPLER_2D_MULTISAMPLE
#ifndef GL_INT_SAMPLER_2D_MULTISAMPLE
# define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109
#endif // GL_INT_SAMPLER_2D_MULTISAMPLE
#ifndef GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE
# define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A
#endif // GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE
#ifndef GL_SAMPLER_2D_SHADOW
# define GL_SAMPLER_2D_SHADOW 0x8B62
#endif // GL_SAMPLER_2D_SHADOW