mirror of https://github.com/axmolengine/axmol.git
280 lines
7.8 KiB
C++
280 lines
7.8 KiB
C++
|
|
//----------------------------------------------------------------------------------
|
|
// Include
|
|
//----------------------------------------------------------------------------------
|
|
#include "EffekseerRendererGL.RenderState.h"
|
|
|
|
#include "EffekseerRendererGL.Renderer.h"
|
|
#include "EffekseerRendererGL.RendererImplemented.h"
|
|
|
|
#include "EffekseerRendererGL.GLExtension.h"
|
|
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|
|
namespace EffekseerRendererGL
|
|
{
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|
|
RenderState::RenderState(RendererImplemented* renderer)
|
|
: m_renderer(renderer)
|
|
{
|
|
if (m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGL3 || m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGLES3)
|
|
{
|
|
glGenSamplers(Effekseer::TextureSlotMax, m_samplers.data());
|
|
}
|
|
|
|
GLint frontFace = 0;
|
|
glGetIntegerv(GL_FRONT_FACE, &frontFace);
|
|
|
|
if (GL_CW == frontFace)
|
|
{
|
|
m_isCCW = false;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|
|
RenderState::~RenderState()
|
|
{
|
|
if (m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGL3 || m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGLES3)
|
|
{
|
|
glDeleteSamplers(Effekseer::TextureSlotMax, m_samplers.data());
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|
|
void RenderState::Update(bool forced)
|
|
{
|
|
GLCheckError();
|
|
|
|
if (m_active.DepthTest != m_next.DepthTest || forced)
|
|
{
|
|
if (m_next.DepthTest)
|
|
{
|
|
glEnable(GL_DEPTH_TEST);
|
|
}
|
|
else
|
|
{
|
|
glDisable(GL_DEPTH_TEST);
|
|
}
|
|
}
|
|
|
|
GLCheckError();
|
|
|
|
if (m_active.DepthWrite != m_next.DepthWrite || forced)
|
|
{
|
|
glDepthMask(m_next.DepthWrite);
|
|
}
|
|
|
|
GLCheckError();
|
|
|
|
if (m_active.CullingType != m_next.CullingType || forced)
|
|
{
|
|
if (m_isCCW)
|
|
{
|
|
if (m_next.CullingType == Effekseer::CullingType::Front)
|
|
{
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_FRONT);
|
|
}
|
|
else if (m_next.CullingType == Effekseer::CullingType::Back)
|
|
{
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_BACK);
|
|
}
|
|
else if (m_next.CullingType == Effekseer::CullingType::Double)
|
|
{
|
|
glDisable(GL_CULL_FACE);
|
|
glCullFace(GL_FRONT_AND_BACK);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (m_next.CullingType == Effekseer::CullingType::Front)
|
|
{
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_BACK);
|
|
}
|
|
else if (m_next.CullingType == Effekseer::CullingType::Back)
|
|
{
|
|
glEnable(GL_CULL_FACE);
|
|
glCullFace(GL_FRONT);
|
|
}
|
|
else if (m_next.CullingType == Effekseer::CullingType::Double)
|
|
{
|
|
glDisable(GL_CULL_FACE);
|
|
glCullFace(GL_FRONT_AND_BACK);
|
|
}
|
|
}
|
|
}
|
|
|
|
GLCheckError();
|
|
|
|
if (m_active.AlphaBlend != m_next.AlphaBlend || forced)
|
|
{
|
|
{
|
|
glEnable(GL_BLEND);
|
|
|
|
if (m_next.AlphaBlend == ::Effekseer::AlphaBlendType::Opacity)
|
|
{
|
|
glBlendEquationSeparate(GL_FUNC_ADD, GL_MAX);
|
|
glBlendFuncSeparate(GL_ONE, GL_ZERO, GL_ONE, GL_ONE);
|
|
}
|
|
else if (m_next.AlphaBlend == ::Effekseer::AlphaBlendType::Sub)
|
|
{
|
|
glBlendEquationSeparate(GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_ADD);
|
|
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ZERO, GL_ONE);
|
|
}
|
|
else
|
|
{
|
|
glBlendEquationSeparate(GL_FUNC_ADD, GL_FUNC_ADD);
|
|
if (m_next.AlphaBlend == ::Effekseer::AlphaBlendType::Blend)
|
|
{
|
|
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
|
|
}
|
|
else if (m_next.AlphaBlend == ::Effekseer::AlphaBlendType::Add)
|
|
{
|
|
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ONE, GL_ONE);
|
|
}
|
|
else if (m_next.AlphaBlend == ::Effekseer::AlphaBlendType::Mul)
|
|
{
|
|
glBlendFuncSeparate(GL_ZERO, GL_SRC_COLOR, GL_ZERO, GL_ONE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
GLCheckError();
|
|
|
|
static const GLint glfilterMin[] = {GL_NEAREST, GL_LINEAR_MIPMAP_LINEAR};
|
|
static const GLint glfilterMin_NoneMipmap[] = {GL_NEAREST, GL_LINEAR};
|
|
static const GLint glfilterMag[] = {GL_NEAREST, GL_LINEAR};
|
|
static const GLint glwrap[] = {GL_REPEAT, GL_CLAMP_TO_EDGE};
|
|
|
|
if (m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGL3 || m_renderer->GetDeviceType() == OpenGLDeviceType::OpenGLES3)
|
|
{
|
|
for (int32_t i = 0; i < (int32_t)m_renderer->GetCurrentTextures().size(); i++)
|
|
{
|
|
// If a texture is not assigned, skip it.
|
|
const auto& texture = m_renderer->GetCurrentTextures()[i];
|
|
if (texture == nullptr)
|
|
continue;
|
|
|
|
if (m_active.TextureFilterTypes[i] != m_next.TextureFilterTypes[i] || forced || m_active.TextureIDs[i] != m_next.TextureIDs[i])
|
|
{
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
|
|
// for webngl
|
|
#ifndef NDEBUG
|
|
// GLint bound = 0;
|
|
// glGetIntegerv(GL_TEXTURE_BINDING_2D, &bound);
|
|
// assert(bound > 0);
|
|
#endif
|
|
|
|
int32_t filter_ = (int32_t)m_next.TextureFilterTypes[i];
|
|
|
|
glSamplerParameteri(m_samplers[i], GL_TEXTURE_MAG_FILTER, glfilterMag[filter_]);
|
|
|
|
if (texture->GetParameter().MipLevelCount != 1)
|
|
{
|
|
glSamplerParameteri(m_samplers[i], GL_TEXTURE_MIN_FILTER, glfilterMin[filter_]);
|
|
}
|
|
else
|
|
{
|
|
glSamplerParameteri(m_samplers[i], GL_TEXTURE_MIN_FILTER, glfilterMin_NoneMipmap[filter_]);
|
|
}
|
|
|
|
// glSamplerParameteri( m_samplers[i], GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
// glSamplerParameteri( m_samplers[i], GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
|
|
glBindSampler(i, m_samplers[i]);
|
|
}
|
|
|
|
if (m_active.TextureWrapTypes[i] != m_next.TextureWrapTypes[i] || forced || m_active.TextureIDs[i] != m_next.TextureIDs[i])
|
|
{
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
|
|
int32_t wrap_ = (int32_t)m_next.TextureWrapTypes[i];
|
|
glSamplerParameteri(m_samplers[i], GL_TEXTURE_WRAP_S, glwrap[wrap_]);
|
|
glSamplerParameteri(m_samplers[i], GL_TEXTURE_WRAP_T, glwrap[wrap_]);
|
|
|
|
glBindSampler(i, m_samplers[i]);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GLCheckError();
|
|
for (int32_t i = 0; i < (int32_t)m_renderer->GetCurrentTextures().size(); i++)
|
|
{
|
|
// If a texture is not assigned, skip it.
|
|
const auto& texture = m_renderer->GetCurrentTextures()[i];
|
|
if (texture == nullptr)
|
|
continue;
|
|
|
|
// always changes because a flag is assigned into a texture
|
|
// if (m_active.TextureFilterTypes[i] != m_next.TextureFilterTypes[i] || forced)
|
|
{
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
GLCheckError();
|
|
|
|
// for webngl
|
|
#ifndef NDEBUG
|
|
GLint bound = 0;
|
|
glGetIntegerv(GL_TEXTURE_BINDING_2D, &bound);
|
|
assert(bound > 0);
|
|
#endif
|
|
|
|
int32_t filter_ = (int32_t)m_next.TextureFilterTypes[i];
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, glfilterMag[filter_]);
|
|
GLCheckError();
|
|
|
|
if (texture->GetParameter().MipLevelCount != 1)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, glfilterMin[filter_]);
|
|
}
|
|
else
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, glfilterMin_NoneMipmap[filter_]);
|
|
}
|
|
}
|
|
|
|
// always changes because a flag is assigned into a texture
|
|
// if (m_active.TextureWrapTypes[i] != m_next.TextureWrapTypes[i] || forced)
|
|
{
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
GLCheckError();
|
|
|
|
int32_t wrap_ = (int32_t)m_next.TextureWrapTypes[i];
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glwrap[wrap_]);
|
|
GLCheckError();
|
|
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glwrap[wrap_]);
|
|
GLCheckError();
|
|
}
|
|
}
|
|
GLCheckError();
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
m_active = m_next;
|
|
|
|
GLCheckError();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|
|
} // namespace EffekseerRendererGL
|
|
//-----------------------------------------------------------------------------------
|
|
//
|
|
//-----------------------------------------------------------------------------------
|