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Cleanup.

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This commit is contained in:
Бранимир Караџић 2020-03-30 08:34:58 -07:00
parent d26aac6d2c
commit e495c613a5
1 changed files with 50 additions and 41 deletions
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91
src/renderer_gl.cpp
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@ -1175,67 +1175,76 @@ namespace bgfx { namespace gl
return 0 == err ? result : 0;
}
static uint64_t currentlyEnabledVertexAttribArrays = 0;
static uint64_t vertexAttribArraysPendingDisable = 0;
static uint64_t vertexAttribArraysPendingEnable = 0;
static uint64_t s_currentlyEnabledVertexAttribArrays = 0;
static uint64_t s_vertexAttribArraysPendingDisable = 0;
static uint64_t s_vertexAttribArraysPendingEnable = 0;
void lazyEnableVertexAttribArray(GLuint index)
{
#if BX_PLATFORM_EMSCRIPTEN
// On WebGL platform calling out to WebGL API is detrimental to performance, so optimize
// out redundant API calls to glEnable/DisableVertexAttribArray.
if (index >= 64)
if (BX_ENABLED(BX_PLATFORM_EMSCRIPTEN) )
{
// On WebGL platform calling out to WebGL API is detrimental to performance, so optimize
// out redundant API calls to glEnable/DisableVertexAttribArray.
if (index >= 64)
{
glEnableVertexAttribArray(index);
return;
}
uint64_t mask = UINT64_C(1) << index;
s_vertexAttribArraysPendingEnable |= mask & (~s_currentlyEnabledVertexAttribArrays);
s_vertexAttribArraysPendingDisable &= ~mask;
}
else
{
glEnableVertexAttribArray(index);
return;
}
uint64_t mask = 1ULL << index;
vertexAttribArraysPendingEnable |= mask & (~currentlyEnabledVertexAttribArrays);
vertexAttribArraysPendingDisable &= ~mask;
#else
glEnableVertexAttribArray(index);
#endif
}
void lazyDisableVertexAttribArray(GLuint index)
{
#if BX_PLATFORM_EMSCRIPTEN
// On WebGL platform calling out to WebGL API is detrimental to performance, so optimize
// out redundant API calls to glEnable/DisableVertexAttribArray.
if (index >= 64)
if (BX_ENABLED(BX_PLATFORM_EMSCRIPTEN) )
{
// On WebGL platform calling out to WebGL API is detrimental to performance, so optimize
// out redundant API calls to glEnable/DisableVertexAttribArray.
if (index >= 64)
{
glDisableVertexAttribArray(index);
return;
}
uint64_t mask = UINT64_C(1) << index;
s_vertexAttribArraysPendingDisable |= mask & s_currentlyEnabledVertexAttribArrays;
s_vertexAttribArraysPendingEnable &= ~mask;
}
else
{
glDisableVertexAttribArray(index);
return;
}
uint64_t mask = 1ULL << index;
vertexAttribArraysPendingDisable |= mask & currentlyEnabledVertexAttribArrays;
vertexAttribArraysPendingEnable &= ~mask;
#else
glDisableVertexAttribArray(index);
#endif
}
void applyLazyEnabledVertexAttributes()
{
#if BX_PLATFORM_EMSCRIPTEN
while(vertexAttribArraysPendingDisable)
if (BX_ENABLED(BX_PLATFORM_EMSCRIPTEN) )
{
int index = __builtin_ctzll(vertexAttribArraysPendingDisable);
uint64_t mask = ~(1ULL << index);
vertexAttribArraysPendingDisable &= mask;
currentlyEnabledVertexAttribArrays &= mask;
glDisableVertexAttribArray(index);
}
while (s_vertexAttribArraysPendingDisable)
{
uint32_t index = bx::uint32_cnttz(s_vertexAttribArraysPendingDisable);
uint64_t mask = ~(UINT64_C(1) << index);
s_vertexAttribArraysPendingDisable &= mask;
s_currentlyEnabledVertexAttribArrays &= mask;
glDisableVertexAttribArray(index);
}
while(vertexAttribArraysPendingEnable)
{
int index = __builtin_ctzll(vertexAttribArraysPendingEnable);
uint64_t mask = 1ULL << index;
vertexAttribArraysPendingEnable &= ~mask;
currentlyEnabledVertexAttribArrays |= mask;
glEnableVertexAttribArray(index);
while (s_vertexAttribArraysPendingEnable)
{
uint32_t index = bx::uint32_cnttz(s_vertexAttribArraysPendingEnable);
uint64_t mask = UINT64_C(1) << index;
s_vertexAttribArraysPendingEnable &= ~mask;
s_currentlyEnabledVertexAttribArrays |= mask;
glEnableVertexAttribArray(index);
}
}
#endif
}
void setTextureFormat(TextureFormat::Enum _format, GLenum _internalFmt, GLenum _fmt, GLenum _type = GL_ZERO)