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#ifndef GLES_CHANNELS_H
#define GLES_CHANNELS_H
#if GFX_SUPPORTS_OPENGLES20
#include "Runtime/GfxDevice/opengles20/UnityGLES20Ext.h"
#endif
// dimensionality of the different channels (element count)
static const int kDefaultChannelSizes[kShaderChannelCount] = {
3, // pos
3, // normal
4, // color
2, // uv
2, // uv2
4, // tangent
};
static const GLenum kDefaultChannelTypes[kShaderChannelCount] = {
GL_FLOAT, // pos
GL_FLOAT, // normal
GL_UNSIGNED_BYTE, // color
GL_FLOAT, // UV0
GL_FLOAT, // UV1
GL_FLOAT, // tangent
};
enum VertexChannel {
kVtxChnVertex = 1 << kVertexCompVertex,
kVtxChnColor = 1 << kVertexCompColor,
kVtxChnNormal = 1 << kVertexCompNormal,
kVtxChnTexCoord0 = 1 << kVertexCompTexCoord0,
kVtxChnTexCoord1 = 1 << kVertexCompTexCoord1,
kVtxChnTexCoord2 = 1 << kVertexCompTexCoord2,
kVtxChnTexCoord3 = 1 << kVertexCompTexCoord3,
kVtxChnTexCoord4 = 1 << kVertexCompTexCoord4,
kVtxChnTexCoord5 = 1 << kVertexCompTexCoord5,
kVtxChnTexCoord6 = 1 << kVertexCompTexCoord6,
kVtxChnTexCoord7 = 1 << kVertexCompTexCoord7
};
static const VertexChannel sTexCoordChannels[] = {
kVtxChnTexCoord0, kVtxChnTexCoord1, kVtxChnTexCoord2, kVtxChnTexCoord3,
kVtxChnTexCoord4, kVtxChnTexCoord5, kVtxChnTexCoord6, kVtxChnTexCoord7
};
static void SetupGLESChannelSizes(const ChannelInfoArray channels, int outSizes[kShaderChannelCount])
{
for (int i = 0; i < kShaderChannelCount; i++)
{
if (channels[i].format == kChannelFormatColor)
outSizes[i] = 4;
else
outSizes[i] = channels[i].dimension;
}
}
static void SetupGLESChannelTypes(const ChannelInfoArray channels, GLenum outTypes[kShaderChannelCount])
{
for (int i = 0; i < kShaderChannelCount; i++)
{
switch (channels[i].format)
{
case kChannelFormatFloat:
outTypes[i] = GL_FLOAT;
break;
#if GFX_SUPPORTS_OPENGLES20
case kChannelFormatFloat16:
outTypes[i] = GL_HALF_FLOAT_OES;
break;
#endif
case kChannelFormatColor:
outTypes[i] = GL_UNSIGNED_BYTE;
break;
case kChannelFormatByte:
outTypes[i] = GL_BYTE;
break;
default:
if (channels[i].IsValid())
ErrorString("Vertex channel has invalid type for GLES");
}
}
}
#endif
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