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