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libGLESv3.cpp
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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// libGLESv3.cpp: Implements the exported OpenGL ES 3.0 functions.
#include "main.h"
#include "Buffer.h"
#include "Fence.h"
#include "Framebuffer.h"
#include "Program.h"
#include "Query.h"
#include "Sampler.h"
#include "Texture.h"
#include "mathutil.h"
#include "TransformFeedback.h"
#include "common/debug.h"
#include <GLES3/gl3.h>
#include <GLES2/gl2ext.h>
#include <limits.h>
using namespace es2;
typedef std::pair<GLenum, GLenum> InternalFormatTypePair;
typedef std::map<InternalFormatTypePair, GLenum> FormatMap;
// A helper function to insert data into the format map with fewer characters.
static void InsertFormatMapping(FormatMap& map, GLenum internalformat, GLenum format, GLenum type)
{
map[InternalFormatTypePair(internalformat, type)] = format;
}
static bool validImageSize(GLint level, GLsizei width, GLsizei height)
{
if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS || width < 0 || height < 0)
{
return false;
}
return true;
}
static bool validateColorBufferFormat(GLenum textureFormat, GLenum colorbufferFormat)
{
GLenum validationError = ValidateCompressedFormat(textureFormat, egl::getClientVersion(), false);
if(validationError != GL_NONE)
{
return error(validationError, false);
}
switch(textureFormat)
{
case GL_ALPHA:
if(colorbufferFormat != GL_ALPHA &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8)
{
return error(GL_INVALID_OPERATION, false);
}
break;
case GL_LUMINANCE:
case GL_RGB:
if(colorbufferFormat != GL_RGB &&
colorbufferFormat != GL_RGB565 &&
colorbufferFormat != GL_RGB8 &&
colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8)
{
return error(GL_INVALID_OPERATION, false);
}
break;
case GL_LUMINANCE_ALPHA:
case GL_RGBA:
if(colorbufferFormat != GL_RGBA &&
colorbufferFormat != GL_RGBA4 &&
colorbufferFormat != GL_RGB5_A1 &&
colorbufferFormat != GL_RGBA8)
{
return error(GL_INVALID_OPERATION, false);
}
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL:
return error(GL_INVALID_OPERATION, false);
default:
return error(GL_INVALID_ENUM, false);
}
return true;
}
static FormatMap BuildFormatMap3D()
{
FormatMap map;
// Internal format | Format | Type
InsertFormatMapping(map, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5);
InsertFormatMapping(map, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4);
InsertFormatMapping(map, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1);
InsertFormatMapping(map, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_R8, GL_RED, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_R8_SNORM, GL_RED, GL_BYTE);
InsertFormatMapping(map, GL_R16F, GL_RED, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_R16F, GL_RED, GL_FLOAT);
InsertFormatMapping(map, GL_R32F, GL_RED, GL_FLOAT);
InsertFormatMapping(map, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_R8I, GL_RED_INTEGER, GL_BYTE);
InsertFormatMapping(map, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT);
InsertFormatMapping(map, GL_R16I, GL_RED_INTEGER, GL_SHORT);
InsertFormatMapping(map, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_R32I, GL_RED_INTEGER, GL_INT);
InsertFormatMapping(map, GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RG8_SNORM, GL_RG, GL_BYTE);
InsertFormatMapping(map, GL_RG16F, GL_RG, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_RG16F, GL_RG, GL_FLOAT);
InsertFormatMapping(map, GL_RG32F, GL_RG, GL_FLOAT);
InsertFormatMapping(map, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RG8I, GL_RG_INTEGER, GL_BYTE);
InsertFormatMapping(map, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT);
InsertFormatMapping(map, GL_RG16I, GL_RG_INTEGER, GL_SHORT);
InsertFormatMapping(map, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_RG32I, GL_RG_INTEGER, GL_INT);
InsertFormatMapping(map, GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5);
InsertFormatMapping(map, GL_RGB8_SNORM, GL_RGB, GL_BYTE);
InsertFormatMapping(map, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV);
InsertFormatMapping(map, GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT);
InsertFormatMapping(map, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV);
InsertFormatMapping(map, GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_RGB9_E5, GL_RGB, GL_FLOAT);
InsertFormatMapping(map, GL_RGB16F, GL_RGB, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_RGB16F, GL_RGB, GL_FLOAT);
InsertFormatMapping(map, GL_RGB32F, GL_RGB, GL_FLOAT);
InsertFormatMapping(map, GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB8I, GL_RGB_INTEGER, GL_BYTE);
InsertFormatMapping(map, GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT);
InsertFormatMapping(map, GL_RGB16I, GL_RGB_INTEGER, GL_SHORT);
InsertFormatMapping(map, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_RGB32I, GL_RGB_INTEGER, GL_INT);
InsertFormatMapping(map, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1);
InsertFormatMapping(map, GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV);
InsertFormatMapping(map, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE);
InsertFormatMapping(map, GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4);
InsertFormatMapping(map, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV);
InsertFormatMapping(map, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT);
InsertFormatMapping(map, GL_RGBA16F, GL_RGBA, GL_FLOAT);
InsertFormatMapping(map, GL_RGBA32F, GL_RGBA, GL_FLOAT);
InsertFormatMapping(map, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE);
InsertFormatMapping(map, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE);
InsertFormatMapping(map, GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV);
InsertFormatMapping(map, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT);
InsertFormatMapping(map, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT);
InsertFormatMapping(map, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT);
InsertFormatMapping(map, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT);
InsertFormatMapping(map, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_DEPTH_COMPONENT32_OES, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT);
InsertFormatMapping(map, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT);
InsertFormatMapping(map, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
InsertFormatMapping(map, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
return map;
}
static bool ValidateType3D(GLenum type)
{
switch(type)
{
case GL_UNSIGNED_BYTE:
case GL_BYTE:
case GL_UNSIGNED_SHORT:
case GL_SHORT:
case GL_UNSIGNED_INT:
case GL_INT:
case GL_HALF_FLOAT:
case GL_FLOAT:
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_5_5_5_1:
case GL_UNSIGNED_INT_2_10_10_10_REV:
case GL_UNSIGNED_INT_10F_11F_11F_REV:
case GL_UNSIGNED_INT_5_9_9_9_REV:
case GL_UNSIGNED_INT_24_8:
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
return true;
default:
break;
}
return false;
}
static bool ValidateFormat3D(GLenum format)
{
switch(format)
{
case GL_RED:
case GL_RG:
case GL_RGB:
case GL_RGBA:
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE:
case GL_ALPHA:
case GL_RED_INTEGER:
case GL_RG_INTEGER:
case GL_RGB_INTEGER:
case GL_RGBA_INTEGER:
return true;
default:
break;
}
return false;
}
static bool ValidateInternalFormat3D(GLenum internalformat, GLenum format, GLenum type)
{
static const FormatMap formatMap = BuildFormatMap3D();
FormatMap::const_iterator iter = formatMap.find(InternalFormatTypePair(internalformat, type));
if(iter != formatMap.end())
{
return iter->second == format;
}
return false;
}
typedef std::map<GLenum, GLenum> FormatMapStorage;
// A helper function to insert data into the format map with fewer characters.
static void InsertFormatStorageMapping(FormatMapStorage& map, GLenum internalformat, GLenum type)
{
map[internalformat] = type;
}
static FormatMapStorage BuildFormatMapStorage2D()
{
FormatMapStorage map;
// Internal format | Type
InsertFormatStorageMapping(map, GL_R8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_R8_SNORM, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_R16F, GL_HALF_FLOAT);
InsertFormatStorageMapping(map, GL_R32F, GL_FLOAT);
InsertFormatStorageMapping(map, GL_R8UI, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_R8I, GL_BYTE);
InsertFormatStorageMapping(map, GL_R16UI, GL_UNSIGNED_SHORT);
InsertFormatStorageMapping(map, GL_R16I, GL_SHORT);
InsertFormatStorageMapping(map, GL_R32UI, GL_UNSIGNED_INT);
InsertFormatStorageMapping(map, GL_R32I, GL_INT);
InsertFormatStorageMapping(map, GL_RG8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RG8_SNORM, GL_BYTE);
InsertFormatStorageMapping(map, GL_RG16F, GL_HALF_FLOAT);
InsertFormatStorageMapping(map, GL_RG32F, GL_FLOAT);
InsertFormatStorageMapping(map, GL_RG8UI, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RG8I, GL_BYTE);
InsertFormatStorageMapping(map, GL_RG16UI, GL_UNSIGNED_SHORT);
InsertFormatStorageMapping(map, GL_RG16I, GL_SHORT);
InsertFormatStorageMapping(map, GL_RG32UI, GL_UNSIGNED_INT);
InsertFormatStorageMapping(map, GL_RG32I, GL_INT);
InsertFormatStorageMapping(map, GL_RGB8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_SRGB8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5);
InsertFormatStorageMapping(map, GL_RGB8_SNORM, GL_BYTE);
InsertFormatStorageMapping(map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV);
InsertFormatStorageMapping(map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV);
InsertFormatStorageMapping(map, GL_RGB16F, GL_HALF_FLOAT);
InsertFormatStorageMapping(map, GL_RGB32F, GL_FLOAT);
InsertFormatStorageMapping(map, GL_RGB8UI, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RGB8I, GL_BYTE);
InsertFormatStorageMapping(map, GL_RGB16UI, GL_UNSIGNED_SHORT);
InsertFormatStorageMapping(map, GL_RGB16I, GL_SHORT);
InsertFormatStorageMapping(map, GL_RGB32UI, GL_UNSIGNED_INT);
InsertFormatStorageMapping(map, GL_RGB32I, GL_INT);
InsertFormatStorageMapping(map, GL_RGBA8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RGBA8_SNORM, GL_BYTE);
InsertFormatStorageMapping(map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1);
InsertFormatStorageMapping(map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4);
InsertFormatStorageMapping(map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV);
InsertFormatStorageMapping(map, GL_RGBA16F, GL_HALF_FLOAT);
InsertFormatStorageMapping(map, GL_RGBA32F, GL_FLOAT);
InsertFormatStorageMapping(map, GL_RGBA8UI, GL_UNSIGNED_BYTE);
InsertFormatStorageMapping(map, GL_RGBA8I, GL_BYTE);
InsertFormatStorageMapping(map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV);
InsertFormatStorageMapping(map, GL_RGBA16UI, GL_UNSIGNED_SHORT);
InsertFormatStorageMapping(map, GL_RGBA16I, GL_SHORT);
InsertFormatStorageMapping(map, GL_RGBA32UI, GL_UNSIGNED_INT);
InsertFormatStorageMapping(map, GL_RGBA32I, GL_INT);
InsertFormatStorageMapping(map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT);
InsertFormatStorageMapping(map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT);
InsertFormatStorageMapping(map, GL_DEPTH_COMPONENT32F, GL_FLOAT);
InsertFormatStorageMapping(map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8);
InsertFormatStorageMapping(map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV);
return map;
}
static bool GetStorageType(GLenum internalformat, GLenum& type)
{
static const FormatMapStorage formatMap = BuildFormatMapStorage2D();
FormatMapStorage::const_iterator iter = formatMap.find(internalformat);
if(iter != formatMap.end())
{
type = iter->second;
return true;
}
return false;
}
static bool ValidateQueryTarget(GLenum target)
{
switch(target)
{
case GL_ANY_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
break;
default:
return false;
}
return true;
}
bool ValidateTexParamParameters(GLenum pname, GLint param)
{
switch(pname)
{
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
case GL_TEXTURE_WRAP_R:
switch(param)
{
case GL_REPEAT:
case GL_CLAMP_TO_EDGE:
case GL_MIRRORED_REPEAT:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
case GL_TEXTURE_MIN_FILTER:
switch(param)
{
case GL_NEAREST:
case GL_LINEAR:
case GL_NEAREST_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
case GL_LINEAR_MIPMAP_LINEAR:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_MAG_FILTER:
switch(param)
{
case GL_NEAREST:
case GL_LINEAR:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_USAGE_ANGLE:
switch(param)
{
case GL_NONE:
case GL_FRAMEBUFFER_ATTACHMENT_ANGLE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
// we assume the parameter passed to this validation method is truncated, not rounded
if(param < 1)
{
return error(GL_INVALID_VALUE, false);
}
return true;
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
// any value is permissible
return true;
case GL_TEXTURE_COMPARE_MODE:
// Acceptable mode parameters from GLES 3.0.2 spec, table 3.17
switch(param)
{
case GL_NONE:
case GL_COMPARE_REF_TO_TEXTURE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_COMPARE_FUNC:
// Acceptable function parameters from GLES 3.0.2 spec, table 3.17
switch(param)
{
case GL_LEQUAL:
case GL_GEQUAL:
case GL_LESS:
case GL_GREATER:
case GL_EQUAL:
case GL_NOTEQUAL:
case GL_ALWAYS:
case GL_NEVER:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_SWIZZLE_R:
case GL_TEXTURE_SWIZZLE_G:
case GL_TEXTURE_SWIZZLE_B:
case GL_TEXTURE_SWIZZLE_A:
switch(param)
{
case GL_RED:
case GL_GREEN:
case GL_BLUE:
case GL_ALPHA:
case GL_ZERO:
case GL_ONE:
return true;
default:
return error(GL_INVALID_ENUM, false);
}
break;
case GL_TEXTURE_BASE_LEVEL:
case GL_TEXTURE_MAX_LEVEL:
if(param < 0)
{
return error(GL_INVALID_VALUE, false);
}
return true;
default:
return error(GL_INVALID_ENUM, false);
}
}
static bool ValidateSamplerObjectParameter(GLenum pname)
{
switch(pname)
{
case GL_TEXTURE_MIN_FILTER:
case GL_TEXTURE_MAG_FILTER:
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
case GL_TEXTURE_WRAP_R:
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
case GL_TEXTURE_COMPARE_MODE:
case GL_TEXTURE_COMPARE_FUNC:
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
return true;
default:
return false;
}
}
extern "C"
{
GL_APICALL void GL_APIENTRY glReadBuffer(GLenum src)
{
TRACE("(GLenum src = 0x%X)", src);
es2::Context *context = es2::getContext();
if(context)
{
GLuint readFramebufferName = context->getReadFramebufferName();
switch(src)
{
case GL_BACK:
if(readFramebufferName != 0)
{
return error(GL_INVALID_OPERATION);
}
context->setFramebufferReadBuffer(src);
break;
case GL_NONE:
context->setFramebufferReadBuffer(src);
break;
case GL_COLOR_ATTACHMENT0:
case GL_COLOR_ATTACHMENT1:
case GL_COLOR_ATTACHMENT2:
case GL_COLOR_ATTACHMENT3:
case GL_COLOR_ATTACHMENT4:
case GL_COLOR_ATTACHMENT5:
case GL_COLOR_ATTACHMENT6:
case GL_COLOR_ATTACHMENT7:
case GL_COLOR_ATTACHMENT8:
case GL_COLOR_ATTACHMENT9:
case GL_COLOR_ATTACHMENT10:
case GL_COLOR_ATTACHMENT11:
case GL_COLOR_ATTACHMENT12:
case GL_COLOR_ATTACHMENT13:
case GL_COLOR_ATTACHMENT14:
case GL_COLOR_ATTACHMENT15:
case GL_COLOR_ATTACHMENT16:
case GL_COLOR_ATTACHMENT17:
case GL_COLOR_ATTACHMENT18:
case GL_COLOR_ATTACHMENT19:
case GL_COLOR_ATTACHMENT20:
case GL_COLOR_ATTACHMENT21:
case GL_COLOR_ATTACHMENT22:
case GL_COLOR_ATTACHMENT23:
case GL_COLOR_ATTACHMENT24:
case GL_COLOR_ATTACHMENT25:
case GL_COLOR_ATTACHMENT26:
case GL_COLOR_ATTACHMENT27:
case GL_COLOR_ATTACHMENT28:
case GL_COLOR_ATTACHMENT29:
case GL_COLOR_ATTACHMENT30:
case GL_COLOR_ATTACHMENT31:
{
GLuint index = (src - GL_COLOR_ATTACHMENT0);
if(index >= MAX_COLOR_ATTACHMENTS)
{
return error(GL_INVALID_ENUM);
}
if(readFramebufferName == 0)
{
return error(GL_INVALID_OPERATION);
}
context->setFramebufferReadBuffer(src);
}
break;
default:
error(GL_INVALID_ENUM);
}
}
}
GL_APICALL void GL_APIENTRY glDrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices)
{
TRACE("(GLenum mode = 0x%X, GLuint start = %d, GLuint end = %d, "
"GLsizei count = %d, GLenum type = 0x%x, const void* indices = %p)",
mode, start, end, count, type, indices);
switch(mode)
{
case GL_POINTS:
case GL_LINES:
case GL_LINE_LOOP:
case GL_LINE_STRIP:
case GL_TRIANGLES:
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
break;
default:
return error(GL_INVALID_ENUM);
}
switch(type)
{
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_INT:
break;
default:
return error(GL_INVALID_ENUM);
}
if((count < 0) || (end < start))
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
es2::TransformFeedback* transformFeedback = context->getTransformFeedback();
if(transformFeedback && transformFeedback->isActive() && !transformFeedback->isPaused())
{
return error(GL_INVALID_OPERATION);
}
context->drawElements(mode, start, end, count, type, indices);
}
}
GL_APICALL void GL_APIENTRY glTexImage3D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, "
"GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, GLint border = %d, "
"GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* data = %p)",
target, level, internalformat, width, height, depth, border, format, type, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if(!ValidateType3D(type) || !ValidateFormat3D(format))
{
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level;
if((width < 0) || (height < 0) || (depth < 0) || (width > maxSize3D) || (height > maxSize3D) || (depth > maxSize3D))
{
return error(GL_INVALID_VALUE);
}
if(border != 0)
{
return error(GL_INVALID_VALUE);
}
if(!ValidateInternalFormat3D(internalformat, format, type))
{
return error(GL_INVALID_OPERATION);
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
texture->setImage(context, level, width, height, depth, GetSizedInternalFormat(internalformat, type), type, context->getUnpackInfo(), context->getPixels(data));
}
}
GL_APICALL void GL_APIENTRY glTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, "
"GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* data = %p)",
target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if(!ValidateType3D(type) || !ValidateFormat3D(format))
{
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
if((width < 0) || (height < 0) || (depth < 0) || (xoffset < 0) || (yoffset < 0) || (zoffset < 0))
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
GLenum sizedInternalFormat = GetSizedInternalFormat(format, type);
GLenum validationError = ValidateSubImageParams(false, width, height, depth, xoffset, yoffset, zoffset, target, level, sizedInternalFormat, texture);
if(validationError == GL_NONE)
{
texture->subImage(context, level, xoffset, yoffset, zoffset, width, height, depth, sizedInternalFormat, type, context->getUnpackInfo(), context->getPixels(data));
}
else
{
return error(validationError);
}
}
}
GL_APICALL void GL_APIENTRY glCopyTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)",
target, level, xoffset, yoffset, zoffset, x, y, width, height);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
if((width < 0) || (height < 0) || (xoffset < 0) || (yoffset < 0) || (zoffset < 0))
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Framebuffer *framebuffer = context->getReadFramebuffer();
if(framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE)
{
return error(GL_INVALID_FRAMEBUFFER_OPERATION);
}
es2::Renderbuffer *source = framebuffer->getReadColorbuffer();
if(context->getReadFramebufferName() != 0 && (!source || source->getSamples() > 1))
{
return error(GL_INVALID_OPERATION);
}
GLenum colorbufferFormat = source->getFormat();
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
GLenum validationError = ValidateSubImageParams(false, width, height, 1, xoffset, yoffset, zoffset, target, level, GL_NONE, texture);
if(validationError != GL_NONE)
{
return error(validationError);
}
GLenum textureFormat = texture->getFormat(target, level);
if(!validateColorBufferFormat(textureFormat, colorbufferFormat))
{
return;
}
texture->copySubImage(target, level, xoffset, yoffset, zoffset, x, y, width, height, framebuffer);
}
}
GL_APICALL void GL_APIENTRY glCompressedTexImage3D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, "
"GLsizei height = %d, GLsizei depth = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = %p)",
target, level, internalformat, width, height, depth, border, imageSize, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if((level < 0) || (level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS))
{
return error(GL_INVALID_VALUE);
}
const GLsizei maxSize3D = es2::IMPLEMENTATION_MAX_TEXTURE_SIZE >> level;
if((width < 0) || (height < 0) || (depth < 0) || (width > maxSize3D) || (height > maxSize3D) || (depth > maxSize3D) || (border != 0) || (imageSize < 0))
{
return error(GL_INVALID_VALUE);
}
switch(internalformat)
{
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT32_OES:
case GL_DEPTH_STENCIL:
case GL_DEPTH24_STENCIL8:
return error(GL_INVALID_OPERATION);
default:
{
GLenum validationError = ValidateCompressedFormat(internalformat, egl::getClientVersion(), true);
if(validationError != GL_NONE)
{
return error(validationError);
}
}
}
if(imageSize != egl::ComputeCompressedSize(width, height, internalformat) * depth)
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
texture->setCompressedImage(level, internalformat, width, height, depth, imageSize, data);
}
}
GL_APICALL void GL_APIENTRY glCompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data)
{
TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, "
"GLint zoffset = %d, GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, "
"GLenum format = 0x%X, GLsizei imageSize = %d, const void *data = %p)",
target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
switch(target)
{
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
break;
default:
return error(GL_INVALID_ENUM);
}
if(level < 0 || level >= es2::IMPLEMENTATION_MAX_TEXTURE_LEVELS)
{
return error(GL_INVALID_VALUE);
}
if(xoffset < 0 || yoffset < 0 || zoffset < 0 || !validImageSize(level, width, height) || depth < 0 || imageSize < 0)
{
return error(GL_INVALID_VALUE);
}
GLenum validationError = ValidateCompressedFormat(format, egl::getClientVersion(), true);
if(validationError != GL_NONE)
{
return error(validationError);
}
if(width == 0 || height == 0 || depth == 0 || !data)
{
return;
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Texture3D *texture = (target == GL_TEXTURE_3D) ? context->getTexture3D() : context->getTexture2DArray();
if(!texture)
{
return error(GL_INVALID_OPERATION);
}
texture->subImageCompressed(level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, context->getPixels(data));
}
}
GL_APICALL void GL_APIENTRY glGenQueries(GLsizei n, GLuint *ids)
{
TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
ids[i] = context->createQuery();
}
}
}
GL_APICALL void GL_APIENTRY glDeleteQueries(GLsizei n, const GLuint *ids)
{
TRACE("(GLsizei n = %d, GLuint* ids = %p)", n, ids);
if(n < 0)
{
return error(GL_INVALID_VALUE);
}
es2::Context *context = es2::getContext();
if(context)
{
for(int i = 0; i < n; i++)
{
context->deleteQuery(ids[i]);
}
}
}
GL_APICALL GLboolean GL_APIENTRY glIsQuery(GLuint id)
{
TRACE("(GLuint id = %d)", id);
if(id == 0)
{
return GL_FALSE;
}
es2::Context *context = es2::getContext();
if(context)
{
es2::Query *queryObject = context->getQuery(id);
if(queryObject)
{
return GL_TRUE;
}
}
return GL_FALSE;
}
GL_APICALL void GL_APIENTRY glBeginQuery(GLenum target, GLuint id)
{
TRACE("(GLenum target = 0x%X, GLuint id = %d)", target, id);
if(!ValidateQueryTarget(target))
{
return error(GL_INVALID_ENUM);
}
if(id == 0)
{
return error(GL_INVALID_OPERATION);
}
es2::Context *context = es2::getContext();
if(context)
{
context->beginQuery(target, id);
}
}
GL_APICALL void GL_APIENTRY glEndQuery(GLenum target)