Pushing texel format translation into header

This commit is contained in:
Brad Davis 2016-04-03 20:15:42 -07:00
parent 4f373937f9
commit 667c27866e
2 changed files with 373 additions and 363 deletions

View file

@ -10,6 +10,7 @@
//
#include "GPULogging.h"
#include "GLBackendShared.h"
#include "GLTexelFormat.h"
using namespace gpu;
@ -36,369 +37,6 @@ void GLBackend::GLTexture::setSize(GLuint size) {
_size = size;
}
class GLTexelFormat {
public:
GLenum internalFormat;
GLenum format;
GLenum type;
static GLTexelFormat evalGLTexelFormat(const Element& dstFormat, const Element& srcFormat) {
if (dstFormat != srcFormat) {
GLTexelFormat texel = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
switch(dstFormat.getDimension()) {
case gpu::SCALAR: {
texel.format = GL_RED;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RED;
break;
case gpu::DEPTH:
texel.internalFormat = GL_DEPTH_COMPONENT;
break;
case gpu::DEPTH_STENCIL:
texel.type = GL_UNSIGNED_INT_24_8;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC2: {
texel.format = GL_RG;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RG;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC3: {
texel.format = GL_RGB;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RGB;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC4: {
texel.format = GL_RGBA;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(srcFormat.getSemantic()) {
case gpu::BGRA:
case gpu::SBGRA:
texel.format = GL_BGRA;
break;
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:
case gpu::SRGBA:
default:
break;
};
switch(dstFormat.getSemantic()) {
case gpu::RGB:
texel.internalFormat = GL_RGB;
break;
case gpu::RGBA:
texel.internalFormat = GL_RGBA;
break;
case gpu::SRGB:
texel.internalFormat = GL_SRGB;
break;
case gpu::SRGBA:
texel.internalFormat = GL_SRGB_ALPHA;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
return texel;
} else {
GLTexelFormat texel = {GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE};
switch(dstFormat.getDimension()) {
case gpu::SCALAR: {
texel.format = GL_RED;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:
case gpu::SRGBA:
texel.internalFormat = GL_RED;
switch (dstFormat.getType()) {
case gpu::UINT32: {
texel.internalFormat = GL_R32UI;
break;
}
case gpu::INT32: {
texel.internalFormat = GL_R32I;
break;
}
case gpu::NUINT32: {
texel.internalFormat = GL_RED;
break;
}
case gpu::NINT32: {
texel.internalFormat = GL_RED_SNORM;
break;
}
case gpu::FLOAT: {
texel.internalFormat = GL_R32F;
break;
}
case gpu::UINT16: {
texel.internalFormat = GL_R16UI;
break;
}
case gpu::INT16: {
texel.internalFormat = GL_R16I;
break;
}
case gpu::NUINT16: {
texel.internalFormat = GL_R16;
break;
}
case gpu::NINT16: {
texel.internalFormat = GL_R16_SNORM;
break;
}
case gpu::HALF: {
texel.internalFormat = GL_R16F;
break;
}
case gpu::UINT8: {
texel.internalFormat = GL_R8UI;
break;
}
case gpu::INT8: {
texel.internalFormat = GL_R8I;
break;
}
case gpu::NUINT8: {
if ((dstFormat.getSemantic() == gpu::SRGB || dstFormat.getSemantic() == gpu::SRGBA)) {
texel.internalFormat = GL_SLUMINANCE;
} else {
texel.internalFormat = GL_R8;
}
break;
}
case gpu::NINT8: {
texel.internalFormat = GL_R8_SNORM;
break;
}
case gpu::NUM_TYPES: { // quiet compiler
Q_UNREACHABLE();
}
}
break;
case gpu::R11G11B10:
texel.format = GL_RGB;
// the type should be float
texel.internalFormat = GL_R11F_G11F_B10F;
break;
case gpu::DEPTH:
texel.format = GL_DEPTH_COMPONENT; // It's depth component to load it
texel.internalFormat = GL_DEPTH_COMPONENT;
switch (dstFormat.getType()) {
case gpu::UINT32:
case gpu::INT32:
case gpu::NUINT32:
case gpu::NINT32: {
texel.internalFormat = GL_DEPTH_COMPONENT32;
break;
}
case gpu::FLOAT: {
texel.internalFormat = GL_DEPTH_COMPONENT32F;
break;
}
case gpu::UINT16:
case gpu::INT16:
case gpu::NUINT16:
case gpu::NINT16:
case gpu::HALF: {
texel.internalFormat = GL_DEPTH_COMPONENT16;
break;
}
case gpu::UINT8:
case gpu::INT8:
case gpu::NUINT8:
case gpu::NINT8: {
texel.internalFormat = GL_DEPTH_COMPONENT24;
break;
}
case gpu::NUM_TYPES: { // quiet compiler
Q_UNREACHABLE();
}
}
break;
case gpu::DEPTH_STENCIL:
texel.type = GL_UNSIGNED_INT_24_8;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC2: {
texel.format = GL_RG;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RG;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC3: {
texel.format = GL_RGB;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RGB;
break;
case gpu::SRGB:
case gpu::SRGBA:
texel.internalFormat = GL_SRGB; // standard 2.2 gamma correction color
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC4: {
texel.format = GL_RGBA;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch(dstFormat.getSemantic()) {
case gpu::RGB:
texel.internalFormat = GL_RGB;
break;
case gpu::RGBA:
texel.internalFormat = GL_RGBA;
switch (dstFormat.getType()) {
case gpu::UINT32:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA32UI;
break;
case gpu::INT32:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA32I;
break;
case gpu::FLOAT:
texel.internalFormat = GL_RGBA32F;
break;
case gpu::UINT16:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA16UI;
break;
case gpu::INT16:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA16I;
break;
case gpu::NUINT16:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16;
break;
case gpu::NINT16:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16_SNORM;
break;
case gpu::HALF:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16F;
break;
case gpu::UINT8:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA8UI;
break;
case gpu::INT8:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA8I;
break;
case gpu::NUINT8:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA8;
break;
case gpu::NINT8:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA8_SNORM;
break;
case gpu::NUINT32:
case gpu::NINT32:
case gpu::NUM_TYPES: // quiet compiler
Q_UNREACHABLE();
}
break;
case gpu::SRGB:
texel.internalFormat = GL_SRGB;
break;
case gpu::SRGBA:
texel.internalFormat = GL_SRGB_ALPHA; // standard 2.2 gamma correction color
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
return texel;
}
}
};
GLBackend::GLTexture* GLBackend::syncGPUObject(const Texture& texture) {
GLTexture* object = Backend::getGPUObject<GLBackend::GLTexture>(texture);

View file

@ -0,0 +1,372 @@
//
// Created by Bradley Austin Davis on 2016/04/03
// Copyright 2013-2016 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "GLBackendShared.h"
class GLTexelFormat {
public:
GLenum internalFormat;
GLenum format;
GLenum type;
static GLTexelFormat evalGLTexelFormat(const gpu::Element& dstFormat, const gpu::Element& srcFormat) {
using namespace gpu;
if (dstFormat != srcFormat) {
GLTexelFormat texel = { GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE };
switch (dstFormat.getDimension()) {
case gpu::SCALAR: {
texel.format = GL_RED;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_R8;
break;
case gpu::DEPTH:
texel.internalFormat = GL_DEPTH_COMPONENT32;
break;
case gpu::DEPTH_STENCIL:
texel.type = GL_UNSIGNED_INT_24_8;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC2: {
texel.format = GL_RG;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RG8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC3: {
texel.format = GL_RGB;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RGB8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC4: {
texel.format = GL_RGBA;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (srcFormat.getSemantic()) {
case gpu::BGRA:
case gpu::SBGRA:
texel.format = GL_BGRA;
break;
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:
case gpu::SRGBA:
default:
break;
};
switch (dstFormat.getSemantic()) {
case gpu::RGB:
texel.internalFormat = GL_RGB8;
break;
case gpu::RGBA:
texel.internalFormat = GL_RGBA8;
break;
case gpu::SRGB:
texel.internalFormat = GL_SRGB8;
break;
case gpu::SRGBA:
texel.internalFormat = GL_SRGB8_ALPHA8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
return texel;
} else {
GLTexelFormat texel = { GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE };
switch (dstFormat.getDimension()) {
case gpu::SCALAR: {
texel.format = GL_RED;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:
case gpu::SRGBA:
texel.internalFormat = GL_R8;
switch (dstFormat.getType()) {
case gpu::UINT32: {
texel.internalFormat = GL_R32UI;
break;
}
case gpu::INT32: {
texel.internalFormat = GL_R32I;
break;
}
case gpu::NUINT32: {
texel.internalFormat = GL_R8;
break;
}
case gpu::NINT32: {
texel.internalFormat = GL_R8_SNORM;
break;
}
case gpu::FLOAT: {
texel.internalFormat = GL_R32F;
break;
}
case gpu::UINT16: {
texel.internalFormat = GL_R16UI;
break;
}
case gpu::INT16: {
texel.internalFormat = GL_R16I;
break;
}
case gpu::NUINT16: {
texel.internalFormat = GL_R16;
break;
}
case gpu::NINT16: {
texel.internalFormat = GL_R16_SNORM;
break;
}
case gpu::HALF: {
texel.internalFormat = GL_R16F;
break;
}
case gpu::UINT8: {
texel.internalFormat = GL_R8UI;
break;
}
case gpu::INT8: {
texel.internalFormat = GL_R8I;
break;
}
case gpu::NUINT8: {
if ((dstFormat.getSemantic() == gpu::SRGB || dstFormat.getSemantic() == gpu::SRGBA)) {
texel.internalFormat = GL_SLUMINANCE8;
} else {
texel.internalFormat = GL_R8;
}
break;
}
case gpu::NINT8: {
texel.internalFormat = GL_R8_SNORM;
break;
}
case gpu::NUM_TYPES: { // quiet compiler
Q_UNREACHABLE();
}
}
break;
case gpu::R11G11B10:
texel.format = GL_RGB;
// the type should be float
texel.internalFormat = GL_R11F_G11F_B10F;
break;
case gpu::DEPTH:
texel.format = GL_DEPTH_COMPONENT; // It's depth component to load it
texel.internalFormat = GL_DEPTH_COMPONENT32;
switch (dstFormat.getType()) {
case gpu::UINT32:
case gpu::INT32:
case gpu::NUINT32:
case gpu::NINT32: {
texel.internalFormat = GL_DEPTH_COMPONENT32;
break;
}
case gpu::FLOAT: {
texel.internalFormat = GL_DEPTH_COMPONENT32F;
break;
}
case gpu::UINT16:
case gpu::INT16:
case gpu::NUINT16:
case gpu::NINT16:
case gpu::HALF: {
texel.internalFormat = GL_DEPTH_COMPONENT16;
break;
}
case gpu::UINT8:
case gpu::INT8:
case gpu::NUINT8:
case gpu::NINT8: {
texel.internalFormat = GL_DEPTH_COMPONENT24;
break;
}
case gpu::NUM_TYPES: { // quiet compiler
Q_UNREACHABLE();
}
}
break;
case gpu::DEPTH_STENCIL:
texel.type = GL_UNSIGNED_INT_24_8;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC2: {
texel.format = GL_RG;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RG8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC3: {
texel.format = GL_RGB;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_RGB8;
break;
case gpu::SRGB:
case gpu::SRGBA:
texel.internalFormat = GL_SRGB8; // standard 2.2 gamma correction color
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
case gpu::VEC4: {
texel.format = GL_RGBA;
texel.type = _elementTypeToGLType[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RGB:
texel.internalFormat = GL_RGB8;
break;
case gpu::RGBA:
texel.internalFormat = GL_RGBA8;
switch (dstFormat.getType()) {
case gpu::UINT32:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA32UI;
break;
case gpu::INT32:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA32I;
break;
case gpu::FLOAT:
texel.internalFormat = GL_RGBA32F;
break;
case gpu::UINT16:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA16UI;
break;
case gpu::INT16:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA16I;
break;
case gpu::NUINT16:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16;
break;
case gpu::NINT16:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16_SNORM;
break;
case gpu::HALF:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA16F;
break;
case gpu::UINT8:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA8UI;
break;
case gpu::INT8:
texel.format = GL_RGBA_INTEGER;
texel.internalFormat = GL_RGBA8I;
break;
case gpu::NUINT8:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA8;
break;
case gpu::NINT8:
texel.format = GL_RGBA;
texel.internalFormat = GL_RGBA8_SNORM;
break;
case gpu::NUINT32:
case gpu::NINT32:
case gpu::NUM_TYPES: // quiet compiler
Q_UNREACHABLE();
}
break;
case gpu::SRGB:
texel.internalFormat = GL_SRGB8;
break;
case gpu::SRGBA:
texel.internalFormat = GL_SRGB8_ALPHA8; // standard 2.2 gamma correction color
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
break;
}
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
}
return texel;
}
}
};