blob: 2e535693916e2417e334f67c47d6c86c01df14cd [file] [log] [blame]
//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// queryutils.cpp: Utilities for querying values from GL objects
#include "libANGLE/queryutils.h"
#include "common/utilities.h"
#include "libANGLE/Buffer.h"
#include "libANGLE/Config.h"
#include "libANGLE/Context.h"
#include "libANGLE/Display.h"
#include "libANGLE/EGLSync.h"
#include "libANGLE/Fence.h"
#include "libANGLE/Framebuffer.h"
#include "libANGLE/GLES1State.h"
#include "libANGLE/Program.h"
#include "libANGLE/Renderbuffer.h"
#include "libANGLE/Sampler.h"
#include "libANGLE/Shader.h"
#include "libANGLE/Surface.h"
#include "libANGLE/Texture.h"
#include "libANGLE/Uniform.h"
#include "libANGLE/VertexAttribute.h"
#include "libANGLE/queryconversions.h"
namespace gl
{
namespace
{
template <bool isPureInteger>
ColorGeneric ConvertToColor(const GLfloat *params)
{
if (isPureInteger)
{
UNREACHABLE();
return ColorGeneric(ColorI());
}
else
{
return ColorGeneric(ColorF::fromData(params));
}
}
template <bool isPureInteger>
ColorGeneric ConvertToColor(const GLint *params)
{
if (isPureInteger)
{
return ColorGeneric(ColorI(params[0], params[1], params[2], params[3]));
}
else
{
return ColorGeneric(ColorF(normalizedToFloat(params[0]), normalizedToFloat(params[1]),
normalizedToFloat(params[2]), normalizedToFloat(params[3])));
}
}
template <bool isPureInteger>
ColorGeneric ConvertToColor(const GLuint *params)
{
if (isPureInteger)
{
return ColorGeneric(ColorUI(params[0], params[1], params[2], params[3]));
}
else
{
UNREACHABLE();
return ColorGeneric(ColorF());
}
}
template <bool isPureInteger>
void ConvertFromColor(const ColorGeneric &color, GLfloat *outParams)
{
if (isPureInteger)
{
UNREACHABLE();
}
else
{
ASSERT(color.type == ColorGeneric::Type::Float);
color.colorF.writeData(outParams);
}
}
template <bool isPureInteger>
void ConvertFromColor(const ColorGeneric &color, GLint *outParams)
{
if (isPureInteger)
{
ASSERT(color.type == ColorGeneric::Type::Int);
outParams[0] = color.colorI.red;
outParams[1] = color.colorI.green;
outParams[2] = color.colorI.blue;
outParams[3] = color.colorI.alpha;
}
else
{
ASSERT(color.type == ColorGeneric::Type::Float);
outParams[0] = floatToNormalized<GLint>(color.colorF.red);
outParams[1] = floatToNormalized<GLint>(color.colorF.green);
outParams[2] = floatToNormalized<GLint>(color.colorF.blue);
outParams[3] = floatToNormalized<GLint>(color.colorF.alpha);
}
}
template <bool isPureInteger>
void ConvertFromColor(const ColorGeneric &color, GLuint *outParams)
{
if (isPureInteger)
{
ASSERT(color.type == ColorGeneric::Type::UInt);
outParams[0] = color.colorUI.red;
outParams[1] = color.colorUI.green;
outParams[2] = color.colorUI.blue;
outParams[3] = color.colorUI.alpha;
}
else
{
UNREACHABLE();
}
}
template <typename ParamType>
void QueryTexLevelParameterBase(const Texture *texture,
TextureTarget target,
GLint level,
GLenum pname,
ParamType *params)
{
ASSERT(texture != nullptr);
const InternalFormat *info = texture->getTextureState().getImageDesc(target, level).format.info;
switch (pname)
{
case GL_TEXTURE_RED_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, info->redBits ? info->componentType : GL_NONE);
break;
case GL_TEXTURE_GREEN_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, info->greenBits ? info->componentType : GL_NONE);
break;
case GL_TEXTURE_BLUE_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, info->blueBits ? info->componentType : GL_NONE);
break;
case GL_TEXTURE_ALPHA_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, info->alphaBits ? info->componentType : GL_NONE);
break;
case GL_TEXTURE_DEPTH_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, info->depthBits ? info->componentType : GL_NONE);
break;
case GL_TEXTURE_RED_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->redBits);
break;
case GL_TEXTURE_GREEN_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->greenBits);
break;
case GL_TEXTURE_BLUE_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->blueBits);
break;
case GL_TEXTURE_ALPHA_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->alphaBits);
break;
case GL_TEXTURE_DEPTH_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->depthBits);
break;
case GL_TEXTURE_STENCIL_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->stencilBits);
break;
case GL_TEXTURE_SHARED_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, info->sharedBits);
break;
case GL_TEXTURE_INTERNAL_FORMAT:
*params = CastFromGLintStateValue<ParamType>(
pname, info->internalFormat ? info->internalFormat : GL_RGBA);
break;
case GL_TEXTURE_WIDTH:
*params = CastFromGLintStateValue<ParamType>(
pname, static_cast<uint32_t>(texture->getWidth(target, level)));
break;
case GL_TEXTURE_HEIGHT:
*params = CastFromGLintStateValue<ParamType>(
pname, static_cast<uint32_t>(texture->getHeight(target, level)));
break;
case GL_TEXTURE_DEPTH:
*params = CastFromGLintStateValue<ParamType>(
pname, static_cast<uint32_t>(texture->getDepth(target, level)));
break;
case GL_TEXTURE_SAMPLES:
*params = CastFromStateValue<ParamType>(pname, texture->getSamples(target, level));
break;
case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
*params = CastFromStateValue<ParamType>(
pname, static_cast<GLint>(texture->getFixedSampleLocations(target, level)));
break;
case GL_TEXTURE_COMPRESSED:
*params = CastFromStateValue<ParamType>(pname, static_cast<GLint>(info->compressed));
break;
case GL_MEMORY_SIZE_ANGLE:
*params =
CastFromStateValue<ParamType>(pname, texture->getLevelMemorySize(target, level));
break;
default:
UNREACHABLE();
break;
}
}
template <bool isPureInteger, typename ParamType>
void QueryTexParameterBase(const Context *context,
const Texture *texture,
GLenum pname,
ParamType *params)
{
ASSERT(texture != nullptr);
switch (pname)
{
case GL_TEXTURE_MAG_FILTER:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getMagFilter());
break;
case GL_TEXTURE_MIN_FILTER:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getMinFilter());
break;
case GL_TEXTURE_WRAP_S:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapS());
break;
case GL_TEXTURE_WRAP_T:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapT());
break;
case GL_TEXTURE_WRAP_R:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getWrapR());
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getImmutableFormat());
break;
case GL_TEXTURE_IMMUTABLE_LEVELS:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getImmutableLevels());
break;
case GL_TEXTURE_USAGE_ANGLE:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getUsage());
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
*params = CastFromStateValue<ParamType>(pname, texture->getMaxAnisotropy());
break;
case GL_TEXTURE_SWIZZLE_R:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleRed());
break;
case GL_TEXTURE_SWIZZLE_G:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleGreen());
break;
case GL_TEXTURE_SWIZZLE_B:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleBlue());
break;
case GL_TEXTURE_SWIZZLE_A:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getSwizzleAlpha());
break;
case GL_TEXTURE_BASE_LEVEL:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getBaseLevel());
break;
case GL_TEXTURE_MAX_LEVEL:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getMaxLevel());
break;
case GL_TEXTURE_MIN_LOD:
*params = CastFromStateValue<ParamType>(pname, texture->getMinLod());
break;
case GL_TEXTURE_MAX_LOD:
*params = CastFromStateValue<ParamType>(pname, texture->getMaxLod());
break;
case GL_TEXTURE_COMPARE_MODE:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getCompareMode());
break;
case GL_TEXTURE_COMPARE_FUNC:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getCompareFunc());
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getSRGBDecode());
break;
case GL_DEPTH_STENCIL_TEXTURE_MODE:
*params =
CastFromGLintStateValue<ParamType>(pname, texture->getDepthStencilTextureMode());
break;
case GL_TEXTURE_CROP_RECT_OES:
{
const gl::Rectangle &crop = texture->getCrop();
params[0] = CastFromGLintStateValue<ParamType>(pname, crop.x);
params[1] = CastFromGLintStateValue<ParamType>(pname, crop.y);
params[2] = CastFromGLintStateValue<ParamType>(pname, crop.width);
params[3] = CastFromGLintStateValue<ParamType>(pname, crop.height);
break;
}
case GL_GENERATE_MIPMAP:
*params = CastFromGLintStateValue<ParamType>(pname, texture->getGenerateMipmapHint());
break;
case GL_MEMORY_SIZE_ANGLE:
*params = CastFromStateValue<ParamType>(pname, texture->getMemorySize());
break;
case GL_TEXTURE_BORDER_COLOR:
ConvertFromColor<isPureInteger>(texture->getBorderColor(), params);
break;
case GL_TEXTURE_NATIVE_ID_ANGLE:
*params = CastFromStateValue<ParamType>(pname, texture->getNativeID());
break;
case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
*params = CastFromGLintStateValue<ParamType>(
pname, texture->getImplementationColorReadFormat(context));
break;
case GL_IMPLEMENTATION_COLOR_READ_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, texture->getImplementationColorReadType(context));
break;
default:
UNREACHABLE();
break;
}
}
template <bool isPureInteger, typename ParamType>
void SetTexParameterBase(Context *context, Texture *texture, GLenum pname, const ParamType *params)
{
ASSERT(texture != nullptr);
switch (pname)
{
case GL_TEXTURE_WRAP_S:
texture->setWrapS(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_WRAP_T:
texture->setWrapT(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_WRAP_R:
texture->setWrapR(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MIN_FILTER:
texture->setMinFilter(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MAG_FILTER:
texture->setMagFilter(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_USAGE_ANGLE:
texture->setUsage(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
texture->setMaxAnisotropy(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_TEXTURE_COMPARE_MODE:
texture->setCompareMode(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_COMPARE_FUNC:
texture->setCompareFunc(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_SWIZZLE_R:
texture->setSwizzleRed(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_SWIZZLE_G:
texture->setSwizzleGreen(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_SWIZZLE_B:
texture->setSwizzleBlue(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_SWIZZLE_A:
texture->setSwizzleAlpha(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_BASE_LEVEL:
{
(void)(texture->setBaseLevel(
context, clampCast<GLuint>(CastQueryValueTo<GLint>(pname, params[0]))));
break;
}
case GL_TEXTURE_MAX_LEVEL:
texture->setMaxLevel(context,
clampCast<GLuint>(CastQueryValueTo<GLint>(pname, params[0])));
break;
case GL_TEXTURE_MIN_LOD:
texture->setMinLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_TEXTURE_MAX_LOD:
texture->setMaxLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_DEPTH_STENCIL_TEXTURE_MODE:
texture->setDepthStencilTextureMode(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
texture->setSRGBDecode(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_CROP_RECT_OES:
texture->setCrop(gl::Rectangle(CastQueryValueTo<GLint>(pname, params[0]),
CastQueryValueTo<GLint>(pname, params[1]),
CastQueryValueTo<GLint>(pname, params[2]),
CastQueryValueTo<GLint>(pname, params[3])));
break;
case GL_GENERATE_MIPMAP:
texture->setGenerateMipmapHint(ConvertToGLenum(params[0]));
break;
case GL_TEXTURE_BORDER_COLOR:
texture->setBorderColor(context, ConvertToColor<isPureInteger>(params));
break;
default:
UNREACHABLE();
break;
}
}
template <bool isPureInteger, typename ParamType>
void QuerySamplerParameterBase(const Sampler *sampler, GLenum pname, ParamType *params)
{
switch (pname)
{
case GL_TEXTURE_MIN_FILTER:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getMinFilter());
break;
case GL_TEXTURE_MAG_FILTER:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getMagFilter());
break;
case GL_TEXTURE_WRAP_S:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapS());
break;
case GL_TEXTURE_WRAP_T:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapT());
break;
case GL_TEXTURE_WRAP_R:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getWrapR());
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
*params = CastFromStateValue<ParamType>(pname, sampler->getMaxAnisotropy());
break;
case GL_TEXTURE_MIN_LOD:
*params = CastFromStateValue<ParamType>(pname, sampler->getMinLod());
break;
case GL_TEXTURE_MAX_LOD:
*params = CastFromStateValue<ParamType>(pname, sampler->getMaxLod());
break;
case GL_TEXTURE_COMPARE_MODE:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getCompareMode());
break;
case GL_TEXTURE_COMPARE_FUNC:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getCompareFunc());
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
*params = CastFromGLintStateValue<ParamType>(pname, sampler->getSRGBDecode());
break;
case GL_TEXTURE_BORDER_COLOR:
ConvertFromColor<isPureInteger>(sampler->getBorderColor(), params);
break;
default:
UNREACHABLE();
break;
}
}
template <bool isPureInteger, typename ParamType>
void SetSamplerParameterBase(Context *context,
Sampler *sampler,
GLenum pname,
const ParamType *params)
{
switch (pname)
{
case GL_TEXTURE_WRAP_S:
sampler->setWrapS(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_WRAP_T:
sampler->setWrapT(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_WRAP_R:
sampler->setWrapR(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MIN_FILTER:
sampler->setMinFilter(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MAG_FILTER:
sampler->setMagFilter(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
sampler->setMaxAnisotropy(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_TEXTURE_COMPARE_MODE:
sampler->setCompareMode(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_COMPARE_FUNC:
sampler->setCompareFunc(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_MIN_LOD:
sampler->setMinLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_TEXTURE_MAX_LOD:
sampler->setMaxLod(context, CastQueryValueTo<GLfloat>(pname, params[0]));
break;
case GL_TEXTURE_SRGB_DECODE_EXT:
sampler->setSRGBDecode(context, ConvertToGLenum(pname, params[0]));
break;
case GL_TEXTURE_BORDER_COLOR:
sampler->setBorderColor(context, ConvertToColor<isPureInteger>(params));
break;
default:
UNREACHABLE();
break;
}
sampler->onStateChange(angle::SubjectMessage::ContentsChanged);
}
// Warning: you should ensure binding really matches attrib.bindingIndex before using this function.
template <typename ParamType, typename CurrentDataType, size_t CurrentValueCount>
void QueryVertexAttribBase(const VertexAttribute &attrib,
const VertexBinding &binding,
const CurrentDataType (&currentValueData)[CurrentValueCount],
GLenum pname,
ParamType *params)
{
switch (pname)
{
case GL_CURRENT_VERTEX_ATTRIB:
for (size_t i = 0; i < CurrentValueCount; ++i)
{
params[i] = CastFromStateValue<ParamType>(pname, currentValueData[i]);
}
break;
case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
*params = CastFromStateValue<ParamType>(pname, static_cast<GLint>(attrib.enabled));
break;
case GL_VERTEX_ATTRIB_ARRAY_SIZE:
*params = CastFromGLintStateValue<ParamType>(pname, attrib.format->channelCount);
break;
case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
*params = CastFromGLintStateValue<ParamType>(pname, attrib.vertexAttribArrayStride);
break;
case GL_VERTEX_ATTRIB_ARRAY_TYPE:
*params = CastFromGLintStateValue<ParamType>(
pname, gl::ToGLenum(attrib.format->vertexAttribType));
break;
case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
*params =
CastFromStateValue<ParamType>(pname, static_cast<GLint>(attrib.format->isNorm()));
break;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
*params = CastFromGLintStateValue<ParamType>(pname, binding.getBuffer().id().value);
break;
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
*params = CastFromStateValue<ParamType>(pname, binding.getDivisor());
break;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
*params = CastFromGLintStateValue<ParamType>(pname, attrib.format->isPureInt());
break;
case GL_VERTEX_ATTRIB_BINDING:
*params = CastFromGLintStateValue<ParamType>(pname, attrib.bindingIndex);
break;
case GL_VERTEX_ATTRIB_RELATIVE_OFFSET:
*params = CastFromGLintStateValue<ParamType>(pname, attrib.relativeOffset);
break;
default:
UNREACHABLE();
break;
}
}
template <typename ParamType>
void QueryBufferParameterBase(const Buffer *buffer, GLenum pname, ParamType *params)
{
ASSERT(buffer != nullptr);
switch (pname)
{
case GL_BUFFER_USAGE:
*params = CastFromGLintStateValue<ParamType>(pname, ToGLenum(buffer->getUsage()));
break;
case GL_BUFFER_SIZE:
*params = CastFromStateValue<ParamType>(pname, buffer->getSize());
break;
case GL_BUFFER_ACCESS_FLAGS:
*params = CastFromGLintStateValue<ParamType>(pname, buffer->getAccessFlags());
break;
case GL_BUFFER_ACCESS_OES:
*params = CastFromGLintStateValue<ParamType>(pname, buffer->getAccess());
break;
case GL_BUFFER_MAPPED:
*params = CastFromStateValue<ParamType>(pname, buffer->isMapped());
break;
case GL_BUFFER_MAP_OFFSET:
*params = CastFromStateValue<ParamType>(pname, buffer->getMapOffset());
break;
case GL_BUFFER_MAP_LENGTH:
*params = CastFromStateValue<ParamType>(pname, buffer->getMapLength());
break;
case GL_MEMORY_SIZE_ANGLE:
*params = CastFromStateValue<ParamType>(pname, buffer->getMemorySize());
break;
default:
UNREACHABLE();
break;
}
}
GLint GetCommonVariableProperty(const sh::ShaderVariable &var, GLenum prop)
{
switch (prop)
{
case GL_TYPE:
return clampCast<GLint>(var.type);
case GL_ARRAY_SIZE:
// Queryable variables are guaranteed not to be arrays of arrays or arrays of structs,
// see GLES 3.1 spec section 7.3.1.1 page 77.
return clampCast<GLint>(var.getBasicTypeElementCount());
case GL_NAME_LENGTH:
// ES31 spec p84: This counts the terminating null char.
return clampCast<GLint>(var.name.size() + 1u);
default:
UNREACHABLE();
return GL_INVALID_VALUE;
}
}
GLint GetInputResourceProperty(const Program *program, GLuint index, GLenum prop)
{
const sh::ShaderVariable &variable = program->getInputResource(index);
switch (prop)
{
case GL_TYPE:
case GL_ARRAY_SIZE:
return GetCommonVariableProperty(variable, prop);
case GL_NAME_LENGTH:
return clampCast<GLint>(program->getInputResourceName(index).size() + 1u);
case GL_LOCATION:
return variable.location;
// The query is targeted at the set of active input variables used by the first shader stage
// of program. If program contains multiple shader stages then input variables from any
// stage other than the first will not be enumerated. Since we found the variable to get
// this far, we know it exists in the first attached shader stage.
case GL_REFERENCED_BY_VERTEX_SHADER:
return program->getState().getFirstAttachedShaderStageType() == ShaderType::Vertex;
case GL_REFERENCED_BY_FRAGMENT_SHADER:
return program->getState().getFirstAttachedShaderStageType() == ShaderType::Fragment;
case GL_REFERENCED_BY_COMPUTE_SHADER:
return program->getState().getFirstAttachedShaderStageType() == ShaderType::Compute;
case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
return program->getState().getFirstAttachedShaderStageType() == ShaderType::Geometry;
default:
UNREACHABLE();
return GL_INVALID_VALUE;
}
}
GLint GetOutputResourceProperty(const Program *program, GLuint index, const GLenum prop)
{
const sh::ShaderVariable &outputVariable = program->getOutputResource(index);
switch (prop)
{
case GL_TYPE:
case GL_ARRAY_SIZE:
return GetCommonVariableProperty(outputVariable, prop);
case GL_NAME_LENGTH:
return clampCast<GLint>(program->getOutputResourceName(index).size() + 1u);
case GL_LOCATION:
return outputVariable.location;
case GL_LOCATION_INDEX_EXT:
// EXT_blend_func_extended
if (program->getState().getLastAttachedShaderStageType() == gl::ShaderType::Fragment)
{
return program->getFragDataIndex(outputVariable.name);
}
return GL_INVALID_INDEX;
// The set of active user-defined outputs from the final shader stage in this program. If
// the final stage is a Fragment Shader, then this represents the fragment outputs that get
// written to individual color buffers. If the program only contains a Compute Shader, then
// there are no user-defined outputs.
case GL_REFERENCED_BY_VERTEX_SHADER:
return program->getState().getLastAttachedShaderStageType() == ShaderType::Vertex;
case GL_REFERENCED_BY_FRAGMENT_SHADER:
return program->getState().getLastAttachedShaderStageType() == ShaderType::Fragment;
case GL_REFERENCED_BY_COMPUTE_SHADER:
return program->getState().getLastAttachedShaderStageType() == ShaderType::Compute;
case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
return program->getState().getLastAttachedShaderStageType() == ShaderType::Geometry;
default:
UNREACHABLE();
return GL_INVALID_VALUE;
}
}
GLint GetTransformFeedbackVaryingResourceProperty(const Program *program,
GLuint index,
const GLenum prop)
{
const auto &tfVariable = program->getTransformFeedbackVaryingResource(index);
switch (prop)
{
case GL_TYPE:
return clampCast<GLint>(tfVariable.type);
case GL_ARRAY_SIZE:
return clampCast<GLint>(tfVariable.size());
case GL_NAME_LENGTH:
return clampCast<GLint>(tfVariable.nameWithArrayIndex().size() + 1);
default:
UNREACHABLE();
return GL_INVALID_VALUE;
}
}
GLint QueryProgramInterfaceActiveResources(const Program *program, GLenum programInterface)
{
switch (programInterface)
{
case GL_PROGRAM_INPUT:
return clampCast<GLint>(program->getState().getProgramInputs().size());
case GL_PROGRAM_OUTPUT:
return clampCast<GLint>(program->getState().getOutputVariables().size());
case GL_UNIFORM:
return clampCast<GLint>(program->getState().getUniforms().size());
case GL_UNIFORM_BLOCK:
return clampCast<GLint>(program->getState().getUniformBlocks().size());
case GL_ATOMIC_COUNTER_BUFFER:
return clampCast<GLint>(program->getState().getAtomicCounterBuffers().size());
case GL_BUFFER_VARIABLE:
return clampCast<GLint>(program->getState().getBufferVariables().size());
case GL_SHADER_STORAGE_BLOCK:
return clampCast<GLint>(program->getState().getShaderStorageBlocks().size());
case GL_TRANSFORM_FEEDBACK_VARYING:
return clampCast<GLint>(program->getTransformFeedbackVaryingCount());
default:
UNREACHABLE();
return 0;
}
}
template <typename T, typename M>
GLint FindMaxSize(const std::vector<T> &resources, M member)
{
GLint max = 0;
for (const T &resource : resources)
{
max = std::max(max, clampCast<GLint>((resource.*member).size()));
}
return max;
}
GLint QueryProgramInterfaceMaxNameLength(const Program *program, GLenum programInterface)
{
GLint maxNameLength = 0;
switch (programInterface)
{
case GL_PROGRAM_INPUT:
maxNameLength = program->getInputResourceMaxNameSize();
break;
case GL_PROGRAM_OUTPUT:
maxNameLength = program->getOutputResourceMaxNameSize();
break;
case GL_UNIFORM:
maxNameLength = FindMaxSize(program->getState().getUniforms(), &LinkedUniform::name);
break;
case GL_UNIFORM_BLOCK:
return program->getActiveUniformBlockMaxNameLength();
case GL_BUFFER_VARIABLE:
maxNameLength =
FindMaxSize(program->getState().getBufferVariables(), &BufferVariable::name);
break;
case GL_SHADER_STORAGE_BLOCK:
return program->getActiveShaderStorageBlockMaxNameLength();
case GL_TRANSFORM_FEEDBACK_VARYING:
return clampCast<GLint>(program->getTransformFeedbackVaryingMaxLength());
default:
UNREACHABLE();
return 0;
}
// This length includes an extra character for the null terminator.
return (maxNameLength == 0 ? 0 : maxNameLength + 1);
}
GLint QueryProgramInterfaceMaxNumActiveVariables(const Program *program, GLenum programInterface)
{
switch (programInterface)
{
case GL_UNIFORM_BLOCK:
return FindMaxSize(program->getState().getUniformBlocks(),
&InterfaceBlock::memberIndexes);
case GL_ATOMIC_COUNTER_BUFFER:
return FindMaxSize(program->getState().getAtomicCounterBuffers(),
&AtomicCounterBuffer::memberIndexes);
case GL_SHADER_STORAGE_BLOCK:
return FindMaxSize(program->getState().getShaderStorageBlocks(),
&InterfaceBlock::memberIndexes);
default:
UNREACHABLE();
return 0;
}
}
GLenum GetUniformPropertyEnum(GLenum prop)
{
switch (prop)
{
case GL_UNIFORM_TYPE:
return GL_TYPE;
case GL_UNIFORM_SIZE:
return GL_ARRAY_SIZE;
case GL_UNIFORM_NAME_LENGTH:
return GL_NAME_LENGTH;
case GL_UNIFORM_BLOCK_INDEX:
return GL_BLOCK_INDEX;
case GL_UNIFORM_OFFSET:
return GL_OFFSET;
case GL_UNIFORM_ARRAY_STRIDE:
return GL_ARRAY_STRIDE;
case GL_UNIFORM_MATRIX_STRIDE:
return GL_MATRIX_STRIDE;
case GL_UNIFORM_IS_ROW_MAJOR:
return GL_IS_ROW_MAJOR;
default:
return prop;
}
}
GLenum GetUniformBlockPropertyEnum(GLenum prop)
{
switch (prop)
{
case GL_UNIFORM_BLOCK_BINDING:
return GL_BUFFER_BINDING;
case GL_UNIFORM_BLOCK_DATA_SIZE:
return GL_BUFFER_DATA_SIZE;
case GL_UNIFORM_BLOCK_NAME_LENGTH:
return GL_NAME_LENGTH;
case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
return GL_NUM_ACTIVE_VARIABLES;
case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
return GL_ACTIVE_VARIABLES;
case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
return GL_REFERENCED_BY_VERTEX_SHADER;
case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
return GL_REFERENCED_BY_FRAGMENT_SHADER;
default:
return prop;
}
}
void GetShaderVariableBufferResourceProperty(const ShaderVariableBuffer &buffer,
GLenum pname,
GLint *params,
GLsizei bufSize,
GLsizei *outputPosition)
{
switch (pname)
{
case GL_BUFFER_BINDING:
params[(*outputPosition)++] = buffer.binding;
break;
case GL_BUFFER_DATA_SIZE:
params[(*outputPosition)++] = clampCast<GLint>(buffer.dataSize);
break;
case GL_NUM_ACTIVE_VARIABLES:
params[(*outputPosition)++] = buffer.numActiveVariables();
break;
case GL_ACTIVE_VARIABLES:
for (size_t memberIndex = 0;
memberIndex < buffer.memberIndexes.size() && *outputPosition < bufSize;
++memberIndex)
{
params[(*outputPosition)++] = clampCast<GLint>(buffer.memberIndexes[memberIndex]);
}
break;
case GL_REFERENCED_BY_VERTEX_SHADER:
params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Vertex));
break;
case GL_REFERENCED_BY_FRAGMENT_SHADER:
params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Fragment));
break;
case GL_REFERENCED_BY_COMPUTE_SHADER:
params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Compute));
break;
case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
params[(*outputPosition)++] = static_cast<GLint>(buffer.isActive(ShaderType::Geometry));
break;
default:
UNREACHABLE();
break;
}
}
void GetInterfaceBlockResourceProperty(const InterfaceBlock &block,
GLenum pname,
GLint *params,
GLsizei bufSize,
GLsizei *outputPosition)
{
if (pname == GL_NAME_LENGTH)
{
params[(*outputPosition)++] = clampCast<GLint>(block.nameWithArrayIndex().size() + 1);
return;
}
GetShaderVariableBufferResourceProperty(block, pname, params, bufSize, outputPosition);
}
void GetUniformBlockResourceProperty(const Program *program,
GLuint blockIndex,
GLenum pname,
GLint *params,
GLsizei bufSize,
GLsizei *outputPosition)
{
ASSERT(*outputPosition < bufSize);
const auto &block = program->getUniformBlockByIndex(blockIndex);
GetInterfaceBlockResourceProperty(block, pname, params, bufSize, outputPosition);
}
void GetShaderStorageBlockResourceProperty(const Program *program,
GLuint blockIndex,
GLenum pname,
GLint *params,
GLsizei bufSize,
GLsizei *outputPosition)
{
ASSERT(*outputPosition < bufSize);
const auto &block = program->getShaderStorageBlockByIndex(blockIndex);
GetInterfaceBlockResourceProperty(block, pname, params, bufSize, outputPosition);
}
void GetAtomicCounterBufferResourceProperty(const Program *program,
GLuint index,
GLenum pname,
GLint *params,
GLsizei bufSize,
GLsizei *outputPosition)
{
ASSERT(*outputPosition < bufSize);
const auto &buffer = program->getState().getAtomicCounterBuffers()[index];
GetShaderVariableBufferResourceProperty(buffer, pname, params, bufSize, outputPosition);
}
bool IsTextureEnvEnumParameter(TextureEnvParameter pname)
{
switch (pname)
{
case TextureEnvParameter::Mode:
case TextureEnvParameter::CombineRgb:
case TextureEnvParameter::CombineAlpha:
case TextureEnvParameter::Src0Rgb:
case TextureEnvParameter::Src1Rgb:
case TextureEnvParameter::Src2Rgb:
case TextureEnvParameter::Src0Alpha:
case TextureEnvParameter::Src1Alpha:
case TextureEnvParameter::Src2Alpha:
case TextureEnvParameter::Op0Rgb:
case TextureEnvParameter::Op1Rgb:
case TextureEnvParameter::Op2Rgb:
case TextureEnvParameter::Op0Alpha:
case TextureEnvParameter::Op1Alpha:
case TextureEnvParameter::Op2Alpha:
case TextureEnvParameter::PointCoordReplace:
return true;
default:
return false;
}
}
} // namespace
void QueryFramebufferAttachmentParameteriv(const Context *context,
const Framebuffer *framebuffer,
GLenum attachment,
GLenum pname,
GLint *params)
{
ASSERT(framebuffer);
const FramebufferAttachment *attachmentObject = framebuffer->getAttachment(context, attachment);
if (attachmentObject == nullptr)
{
// ES 2.0.25 spec pg 127 states that if the value of FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
// is NONE, then querying any other pname will generate INVALID_ENUM.
// ES 3.0.2 spec pg 235 states that if the attachment type is none,
// GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME will return zero and be an
// INVALID_OPERATION for all other pnames
switch (pname)
{
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
*params = GL_NONE;
break;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
*params = 0;
break;
default:
UNREACHABLE();
break;
}
return;
}
switch (pname)
{
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
*params = attachmentObject->type();
break;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
*params = attachmentObject->id();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
*params = attachmentObject->mipLevel();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
{
TextureTarget face = attachmentObject->cubeMapFace();
if (face != TextureTarget::InvalidEnum)
{
*params = ToGLenum(attachmentObject->cubeMapFace());
}
else
{
// This happens when the attachment isn't a texture cube map face
*params = GL_NONE;
}
}
break;
case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
*params = attachmentObject->getRedSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
*params = attachmentObject->getGreenSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
*params = attachmentObject->getBlueSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
*params = attachmentObject->getAlphaSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
*params = attachmentObject->getDepthSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
*params = attachmentObject->getStencilSize();
break;
case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
*params = attachmentObject->getComponentType();
break;
case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
*params = attachmentObject->getColorEncoding();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:
*params = attachmentObject->layer();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_NUM_VIEWS_OVR:
*params = attachmentObject->getNumViews();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_BASE_VIEW_INDEX_OVR:
*params = attachmentObject->getBaseViewIndex();
break;
case GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT:
*params = attachmentObject->isLayered();
break;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT:
if (attachmentObject->type() == GL_TEXTURE)
{
*params = attachmentObject->getSamples();
}
else
{
*params = 0;
}
break;
default:
UNREACHABLE();
break;
}
}
void QueryBufferParameteriv(const Buffer *buffer, GLenum pname, GLint *params)
{
QueryBufferParameterBase(buffer, pname, params);
}
void QueryBufferParameteri64v(const Buffer *buffer, GLenum pname, GLint64 *params)
{
QueryBufferParameterBase(buffer, pname, params);
}
void QueryBufferPointerv(const Buffer *buffer, GLenum pname, void **params)
{
switch (pname)
{
case GL_BUFFER_MAP_POINTER:
*params = buffer->getMapPointer();
break;
default:
UNREACHABLE();
break;
}
}
void QueryProgramiv(Context *context, const Program *program, GLenum pname, GLint *params)
{
ASSERT(program != nullptr || pname == GL_COMPLETION_STATUS_KHR);
switch (pname)
{
case GL_DELETE_STATUS:
*params = program->isFlaggedForDeletion();
return;
case GL_LINK_STATUS:
*params = program->isLinked();
return;
case GL_COMPLETION_STATUS_KHR:
if (context->isContextLost())
{
*params = GL_TRUE;
}
else
{
*params = program->isLinking() ? GL_FALSE : GL_TRUE;
}
return;
case GL_VALIDATE_STATUS:
*params = program->isValidated();
return;
case GL_INFO_LOG_LENGTH:
*params = program->getInfoLogLength();
return;
case GL_ATTACHED_SHADERS:
*params = program->getAttachedShadersCount();
return;
case GL_ACTIVE_ATTRIBUTES:
*params = program->getActiveAttributeCount();
return;
case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
*params = program->getActiveAttributeMaxLength();
return;
case GL_ACTIVE_UNIFORMS:
*params = program->getActiveUniformCount();
return;
case GL_ACTIVE_UNIFORM_MAX_LENGTH:
*params = program->getActiveUniformMaxLength();
return;
case GL_PROGRAM_BINARY_LENGTH_OES:
*params = context->getCaps().programBinaryFormats.empty()
? 0
: program->getBinaryLength(context);
return;
case GL_ACTIVE_UNIFORM_BLOCKS:
*params = program->getActiveUniformBlockCount();
return;
case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:
*params = program->getActiveUniformBlockMaxNameLength();
break;
case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
*params = program->getTransformFeedbackBufferMode();
break;
case GL_TRANSFORM_FEEDBACK_VARYINGS:
*params = clampCast<GLint>(program->getTransformFeedbackVaryingCount());
break;
case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
*params = program->getTransformFeedbackVaryingMaxLength();
break;
case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
*params = program->getBinaryRetrievableHint();
break;
case GL_PROGRAM_SEPARABLE:
*params = program->isSeparable();
break;
case GL_COMPUTE_WORK_GROUP_SIZE:
{
const sh::WorkGroupSize &localSize = program->getComputeShaderLocalSize();
params[0] = localSize[0];
params[1] = localSize[1];
params[2] = localSize[2];
}
break;
case GL_ACTIVE_ATOMIC_COUNTER_BUFFERS:
*params = program->getActiveAtomicCounterBufferCount();
break;
case GL_GEOMETRY_LINKED_INPUT_TYPE_EXT:
*params = ToGLenum(program->getGeometryShaderInputPrimitiveType());
break;
case GL_GEOMETRY_LINKED_OUTPUT_TYPE_EXT:
*params = ToGLenum(program->getGeometryShaderOutputPrimitiveType());
break;
case GL_GEOMETRY_LINKED_VERTICES_OUT_EXT:
*params = program->getGeometryShaderMaxVertices();
break;
case GL_GEOMETRY_SHADER_INVOCATIONS_EXT:
*params = program->getGeometryShaderInvocations();
break;
default:
UNREACHABLE();
break;
}
}
void QueryRenderbufferiv(const Context *context,
const Renderbuffer *renderbuffer,
GLenum pname,
GLint *params)
{
ASSERT(renderbuffer != nullptr);
switch (pname)
{
case GL_RENDERBUFFER_WIDTH:
*params = renderbuffer->getWidth();
break;
case GL_RENDERBUFFER_HEIGHT:
*params = renderbuffer->getHeight();
break;
case GL_RENDERBUFFER_INTERNAL_FORMAT:
// Special case the WebGL 1 DEPTH_STENCIL format.
if (context->isWebGL1() &&
renderbuffer->getFormat().info->internalFormat == GL_DEPTH24_STENCIL8)
{
*params = GL_DEPTH_STENCIL;
}
else
{
*params = renderbuffer->getFormat().info->internalFormat;
}
break;
case GL_RENDERBUFFER_RED_SIZE:
*params = renderbuffer->getRedSize();
break;
case GL_RENDERBUFFER_GREEN_SIZE:
*params = renderbuffer->getGreenSize();
break;
case GL_RENDERBUFFER_BLUE_SIZE:
*params = renderbuffer->getBlueSize();
break;
case GL_RENDERBUFFER_ALPHA_SIZE:
*params = renderbuffer->getAlphaSize();
break;
case GL_RENDERBUFFER_DEPTH_SIZE:
*params = renderbuffer->getDepthSize();
break;
case GL_RENDERBUFFER_STENCIL_SIZE:
*params = renderbuffer->getStencilSize();
break;
case GL_RENDERBUFFER_SAMPLES_ANGLE:
*params = renderbuffer->getSamples();
break;
case GL_MEMORY_SIZE_ANGLE:
*params = renderbuffer->getMemorySize();
break;
case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
*params = static_cast<GLint>(renderbuffer->getImplementationColorReadFormat(context));
break;
case GL_IMPLEMENTATION_COLOR_READ_TYPE:
*params = static_cast<GLint>(renderbuffer->getImplementationColorReadType(context));
break;
default:
UNREACHABLE();
break;
}
}
void QueryShaderiv(const Context *context, Shader *shader, GLenum pname, GLint *params)
{
ASSERT(shader != nullptr || pname == GL_COMPLETION_STATUS_KHR);
switch (pname)
{
case GL_SHADER_TYPE:
*params = static_cast<GLint>(ToGLenum(shader->getType()));
return;
case GL_DELETE_STATUS:
*params = shader->isFlaggedForDeletion();
return;
case GL_COMPILE_STATUS:
*params = shader->isCompiled() ? GL_TRUE : GL_FALSE;
return;
case GL_COMPLETION_STATUS_KHR:
if (context->isContextLost())
{
*params = GL_TRUE;
}
else
{
*params = shader->isCompleted() ? GL_TRUE : GL_FALSE;
}
return;
case GL_INFO_LOG_LENGTH:
*params = shader->getInfoLogLength();
return;
case GL_SHADER_SOURCE_LENGTH:
*params = shader->getSourceLength();
return;
case GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE:
*params = shader->getTranslatedSourceWithDebugInfoLength();
return;
default:
UNREACHABLE();
break;
}
}
void QueryTexLevelParameterfv(const Texture *texture,
TextureTarget target,
GLint level,
GLenum pname,
GLfloat *params)
{
QueryTexLevelParameterBase(texture, target, level, pname, params);
}
void QueryTexLevelParameteriv(const Texture *texture,
TextureTarget target,
GLint level,
GLenum pname,
GLint *params)
{
QueryTexLevelParameterBase(texture, target, level, pname, params);
}
void QueryTexParameterfv(const Context *context,
const Texture *texture,
GLenum pname,
GLfloat *params)
{
QueryTexParameterBase<false>(context, texture, pname, params);
}
void QueryTexParameteriv(const Context *context,
const Texture *texture,
GLenum pname,
GLint *params)
{
QueryTexParameterBase<false>(context, texture, pname, params);
}
void QueryTexParameterIiv(const Context *context,
const Texture *texture,
GLenum pname,
GLint *params)
{
QueryTexParameterBase<true>(context, texture, pname, params);
}
void QueryTexParameterIuiv(const Context *context,
const Texture *texture,
GLenum pname,
GLuint *params)
{
QueryTexParameterBase<true>(context, texture, pname, params);
}
void QuerySamplerParameterfv(const Sampler *sampler, GLenum pname, GLfloat *params)
{
QuerySamplerParameterBase<false>(sampler, pname, params);
}
void QuerySamplerParameteriv(const Sampler *sampler, GLenum pname, GLint *params)
{
QuerySamplerParameterBase<false>(sampler, pname, params);
}
void QuerySamplerParameterIiv(const Sampler *sampler, GLenum pname, GLint *params)
{
QuerySamplerParameterBase<true>(sampler, pname, params);
}
void QuerySamplerParameterIuiv(const Sampler *sampler, GLenum pname, GLuint *params)
{
QuerySamplerParameterBase<true>(sampler, pname, params);
}
void QueryVertexAttribfv(const VertexAttribute &attrib,
const VertexBinding &binding,
const VertexAttribCurrentValueData &currentValueData,
GLenum pname,
GLfloat *params)
{
QueryVertexAttribBase(attrib, binding, currentValueData.Values.FloatValues, pname, params);
}
void QueryVertexAttribiv(const VertexAttribute &attrib,
const VertexBinding &binding,
const VertexAttribCurrentValueData &currentValueData,
GLenum pname,
GLint *params)
{
QueryVertexAttribBase(attrib, binding, currentValueData.Values.FloatValues, pname, params);
}
void QueryVertexAttribPointerv(const VertexAttribute &attrib, GLenum pname, void **pointer)
{
switch (pname)
{
case GL_VERTEX_ATTRIB_ARRAY_POINTER:
*pointer = const_cast<void *>(attrib.pointer);
break;
default:
UNREACHABLE();
break;
}
}
void QueryVertexAttribIiv(const VertexAttribute &attrib,
const VertexBinding &binding,
const VertexAttribCurrentValueData &currentValueData,
GLenum pname,
GLint *params)
{
QueryVertexAttribBase(attrib, binding, currentValueData.Values.IntValues, pname, params);
}
void QueryVertexAttribIuiv(const VertexAttribute &attrib,
const VertexBinding &binding,
const VertexAttribCurrentValueData &currentValueData,
GLenum pname,
GLuint *params)
{
QueryVertexAttribBase(attrib, binding, currentValueData.Values.UnsignedIntValues, pname,
params);
}
void QueryActiveUniformBlockiv(const Program *program,
GLuint uniformBlockIndex,
GLenum pname,
GLint *params)
{
GLenum prop = GetUniformBlockPropertyEnum(pname);
QueryProgramResourceiv(program, GL_UNIFORM_BLOCK, uniformBlockIndex, 1, &prop,
std::numeric_limits<GLsizei>::max(), nullptr, params);
}
void QueryInternalFormativ(const TextureCaps &format, GLenum pname, GLsizei bufSize, GLint *params)
{
switch (pname)
{
case GL_NUM_SAMPLE_COUNTS:
if (bufSize != 0)
{
*params = clampCast<GLint>(format.sampleCounts.size());
}
break;
case GL_SAMPLES:
{
size_t returnCount = std::min<size_t>(bufSize, format.sampleCounts.size());
auto sampleReverseIt = format.sampleCounts.rbegin();
for (size_t sampleIndex = 0; sampleIndex < returnCount; ++sampleIndex)
{
params[sampleIndex] = *sampleReverseIt++;
}
}
break;
default:
UNREACHABLE();
break;
}
}
void QueryFramebufferParameteriv(const Framebuffer *framebuffer, GLenum pname, GLint *params)
{
ASSERT(framebuffer);
switch (pname)
{
case GL_FRAMEBUFFER_DEFAULT_WIDTH:
*params = framebuffer->getDefaultWidth();
break;
case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
*params = framebuffer->getDefaultHeight();
break;
case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
*params = framebuffer->getDefaultSamples();
break;
case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
*params = ConvertToGLBoolean(framebuffer->getDefaultFixedSampleLocations());
break;
case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
*params = framebuffer->getDefaultLayers();
break;
default:
UNREACHABLE();
break;
}
}
angle::Result QuerySynciv(const Context *context,
const Sync *sync,
GLenum pname,
GLsizei bufSize,
GLsizei *length,
GLint *values)
{
ASSERT(sync != nullptr || pname == GL_SYNC_STATUS);
// All queries return one value, exit early if the buffer can't fit anything.
if (bufSize < 1)
{
if (length != nullptr)
{
*length = 0;
}
return angle::Result::Continue;
}
switch (pname)
{
case GL_OBJECT_TYPE:
*values = clampCast<GLint>(GL_SYNC_FENCE);
break;
case GL_SYNC_CONDITION:
*values = clampCast<GLint>(sync->getCondition());
break;
case GL_SYNC_FLAGS:
*values = clampCast<GLint>(sync->getFlags());
break;
case GL_SYNC_STATUS:
if (context->isContextLost())
{
*values = GL_SIGNALED;
}
else
{
ANGLE_TRY(sync->getStatus(context, values));
}
break;
default:
UNREACHABLE();
break;
}
if (length != nullptr)
{
*length = 1;
}
return angle::Result::Continue;
}
void SetTexParameterf(Context *context, Texture *texture, GLenum pname, GLfloat param)
{
SetTexParameterBase<false>(context, texture, pname, &param);
}
void SetTexParameterfv(Context *context, Texture *texture, GLenum pname, const GLfloat *params)
{
SetTexParameterBase<false>(context, texture, pname, params);
}
void SetTexParameteri(Context *context, Texture *texture, GLenum pname, GLint param)
{
SetTexParameterBase<false>(context, texture, pname, &param);
}
void SetTexParameteriv(Context *context, Texture *texture, GLenum pname, const GLint *params)
{
SetTexParameterBase<false>(context, texture, pname, params);
}
void SetTexParameterIiv(Context *context, Texture *texture, GLenum pname, const GLint *params)
{
SetTexParameterBase<true>(context, texture, pname, params);
}
void SetTexParameterIuiv(Context *context, Texture *texture, GLenum pname, const GLuint *params)
{
SetTexParameterBase<true>(context, texture, pname, params);
}
void SetSamplerParameterf(Context *context, Sampler *sampler, GLenum pname, GLfloat param)
{
SetSamplerParameterBase<false>(context, sampler, pname, &param);
}
void SetSamplerParameterfv(Context *context, Sampler *sampler, GLenum pname, const GLfloat *params)
{
SetSamplerParameterBase<false>(context, sampler, pname, params);
}
void SetSamplerParameteri(Context *context, Sampler *sampler, GLenum pname, GLint param)
{
SetSamplerParameterBase<false>(context, sampler, pname, &param);
}
void SetSamplerParameteriv(Context *context, Sampler *sampler, GLenum pname, const GLint *params)
{
SetSamplerParameterBase<false>(context, sampler, pname, params);
}
void SetSamplerParameterIiv(Context *context, Sampler *sampler, GLenum pname, const GLint *params)
{
SetSamplerParameterBase<true>(context, sampler, pname, params);
}
void SetSamplerParameterIuiv(Context *context, Sampler *sampler, GLenum pname, const GLuint *params)
{
SetSamplerParameterBase<true>(context, sampler, pname, params);
}
void SetFramebufferParameteri(const Context *context,
Framebuffer *framebuffer,
GLenum pname,
GLint param)
{
ASSERT(framebuffer);
switch (pname)
{
case GL_FRAMEBUFFER_DEFAULT_WIDTH:
framebuffer->setDefaultWidth(context, param);
break;
case GL_FRAMEBUFFER_DEFAULT_HEIGHT:
framebuffer->setDefaultHeight(context, param);
break;
case GL_FRAMEBUFFER_DEFAULT_SAMPLES:
framebuffer->setDefaultSamples(context, param);
break;
case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
framebuffer->setDefaultFixedSampleLocations(context, ConvertToBool(param));
break;
case GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT:
framebuffer->setDefaultLayers(param);
break;
default:
UNREACHABLE();
break;
}
}
void SetProgramParameteri(Program *program, GLenum pname, GLint value)
{
ASSERT(program);
switch (pname)
{
case GL_PROGRAM_BINARY_RETRIEVABLE_HINT:
program->setBinaryRetrievableHint(ConvertToBool(value));
break;
case GL_PROGRAM_SEPARABLE:
program->setSeparable(ConvertToBool(value));
break;
default:
UNREACHABLE();
break;
}
}
GLint GetUniformResourceProperty(const Program *program, GLuint index, const GLenum prop)
{
const auto &uniform = program->getUniformByIndex(index);
GLenum resourceProp = GetUniformPropertyEnum(prop);
switch (resourceProp)
{
case GL_TYPE:
case GL_ARRAY_SIZE:
case GL_NAME_LENGTH:
return GetCommonVariableProperty(uniform, resourceProp);
case GL_LOCATION:
return program->getUniformLocation(uniform.name);
case GL_BLOCK_INDEX:
return (uniform.isAtomicCounter() ? -1 : uniform.bufferIndex);
case GL_OFFSET:
return uniform.blockInfo.offset;
case GL_ARRAY_STRIDE:
return uniform.blockInfo.arrayStride;
case GL_MATRIX_STRIDE:
return uniform.blockInfo.matrixStride;
case GL_IS_ROW_MAJOR:
return static_cast<GLint>(uniform.blockInfo.isRowMajorMatrix);
case GL_REFERENCED_BY_VERTEX_SHADER:
return uniform.isActive(ShaderType::Vertex);
case GL_REFERENCED_BY_FRAGMENT_SHADER:
return uniform.isActive(ShaderType::Fragment);
case GL_REFERENCED_BY_COMPUTE_SHADER:
return uniform.isActive(ShaderType::Compute);
case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
return uniform.isActive(ShaderType::Geometry);
case GL_ATOMIC_COUNTER_BUFFER_INDEX:
return (uniform.isAtomicCounter() ? uniform.bufferIndex : -1);
default:
UNREACHABLE();
return 0;
}
}
GLint GetBufferVariableResourceProperty(const Program *program, GLuint index, const GLenum prop)
{
const BufferVariable &bufferVariable = program->getBufferVariableByIndex(index);
switch (prop)
{
case GL_TYPE:
case GL_ARRAY_SIZE:
case GL_NAME_LENGTH:
return GetCommonVariableProperty(bufferVariable, prop);
case GL_BLOCK_INDEX:
return bufferVariable.bufferIndex;
case GL_OFFSET:
return bufferVariable.blockInfo.offset;
case GL_ARRAY_STRIDE:
return bufferVariable.blockInfo.arrayStride;
case GL_MATRIX_STRIDE:
return bufferVariable.blockInfo.matrixStride;
case GL_IS_ROW_MAJOR:
return static_cast<GLint>(bufferVariable.blockInfo.isRowMajorMatrix);
case GL_REFERENCED_BY_VERTEX_SHADER:
return bufferVariable.isActive(ShaderType::Vertex);
case GL_REFERENCED_BY_FRAGMENT_SHADER:
return bufferVariable.isActive(ShaderType::Fragment);
case GL_REFERENCED_BY_COMPUTE_SHADER:
return bufferVariable.isActive(ShaderType::Compute);
case GL_REFERENCED_BY_GEOMETRY_SHADER_EXT:
return bufferVariable.isActive(ShaderType::Geometry);
case GL_TOP_LEVEL_ARRAY_SIZE:
return bufferVariable.topLevelArraySize;
case GL_TOP_LEVEL_ARRAY_STRIDE:
return bufferVariable.blockInfo.topLevelArrayStride;
default:
UNREACHABLE();
return 0;
}
}
GLuint QueryProgramResourceIndex(const Program *program,
GLenum programInterface,
const GLchar *name)
{
switch (programInterface)
{
case GL_PROGRAM_INPUT:
return program->getInputResourceIndex(name);
case GL_PROGRAM_OUTPUT:
return program->getOutputResourceIndex(name);
case GL_UNIFORM:
return program->getState().getUniformIndexFromName(name);
case GL_BUFFER_VARIABLE:
return program->getState().getBufferVariableIndexFromName(name);
case GL_SHADER_STORAGE_BLOCK:
return program->getShaderStorageBlockIndex(name);
case GL_UNIFORM_BLOCK:
return program->getUniformBlockIndex(name);
case GL_TRANSFORM_FEEDBACK_VARYING:
return program->getTransformFeedbackVaryingResourceIndex(name);
default:
UNREACHABLE();
return GL_INVALID_INDEX;
}
}
void QueryProgramResourceName(const Program *program,
GLenum programInterface,
GLuint index,
GLsizei bufSize,
GLsizei *length,
GLchar *name)
{
switch (programInterface)
{
case GL_PROGRAM_INPUT:
program->getInputResourceName(index, bufSize, length, name);
break;
case GL_PROGRAM_OUTPUT:
program->getOutputResourceName(index, bufSize, length, name);
break;
case GL_UNIFORM:
program->getUniformResourceName(index, bufSize, length, name);
break;
case GL_BUFFER_VARIABLE:
program->getBufferVariableResourceName(index, bufSize, length, name);
break;
case GL_SHADER_STORAGE_BLOCK:
program->getActiveShaderStorageBlockName(index, bufSize, length, name);
break;
case GL_UNIFORM_BLOCK:
program->getActiveUniformBlockName(index, bufSize, length, name);
break;
case GL_TRANSFORM_FEEDBACK_VARYING:
program->getTransformFeedbackVarying(index, bufSize, length, nullptr, nullptr, name);
break;
default:
UNREACHABLE();
}
}
GLint QueryProgramResourceLocation(const Program *program,
GLenum programInterface,
const GLchar *name)
{
switch (programInterface)
{
case GL_PROGRAM_INPUT:
return program->getInputResourceLocation(name);
case GL_PROGRAM_OUTPUT:
return program->getOutputResourceLocation(name);
case GL_UNIFORM:
return program->getUniformLocation(name);
default:
UNREACHABLE();
return -1;
}
}
void QueryProgramResourceiv(const Program *program,
GLenum programInterface,
GLuint index,
GLsizei propCount,
const GLenum *props,
GLsizei bufSize,
GLsizei *length,
GLint *params)
{
if (!program->isLinked())
{
return;
}
if (length != nullptr)
{
*length = 0;
}
if (bufSize == 0)
{
// No room to write the results
return;
}
GLsizei pos = 0;
for (GLsizei i = 0; i < propCount; i++)
{
switch (programInterface)
{
case GL_PROGRAM_INPUT:
params[i] = GetInputResourceProperty(program, index, props[i]);
++pos;
break;
case GL_PROGRAM_OUTPUT:
params[i] = GetOutputResourceProperty(program, index, props[i]);
++pos;
break;
case GL_UNIFORM:
params[i] = GetUniformResourceProperty(program, index, props[i]);
++pos;
break;
case GL_BUFFER_VARIABLE:
params[i] = GetBufferVariableResourceProperty(program, index, props[i]);
++pos;
break;
case GL_UNIFORM_BLOCK:
GetUniformBlockResourceProperty(program, index, props[i], params, bufSize, &pos);
break;
case GL_SHADER_STORAGE_BLOCK:
GetShaderStorageBlockResourceProperty(program, index, props[i], params, bufSize,
&pos);
break;
case GL_ATOMIC_COUNTER_BUFFER:
GetAtomicCounterBufferResourceProperty(program, index, props[i], params, bufSize,
&pos);
break;
case GL_TRANSFORM_FEEDBACK_VARYING:
params[i] = GetTransformFeedbackVaryingResourceProperty(program, index, props[i]);
++pos;
break;
default:
UNREACHABLE();
params[i] = GL_INVALID_VALUE;
}
if (pos == bufSize)
{
// Most properties return one value, but GL_ACTIVE_VARIABLES returns an array of values.
// This checks not to break buffer bounds for such case.
break;
}
}
if (length != nullptr)
{
*length = pos;
}
}
void QueryProgramInterfaceiv(const Program *program,
GLenum programInterface,
GLenum pname,
GLint *params)
{
switch (pname)
{
case GL_ACTIVE_RESOURCES:
*params = QueryProgramInterfaceActiveResources(program, programInterface);
break;
case GL_MAX_NAME_LENGTH:
*params = QueryProgramInterfaceMaxNameLength(program, programInterface);
break;
case GL_MAX_NUM_ACTIVE_VARIABLES:
*params = QueryProgramInterfaceMaxNumActiveVariables(program, programInterface);
break;
default:
UNREACHABLE();
}
}
ClientVertexArrayType ParamToVertexArrayType(GLenum param)
{
switch (param)
{
case GL_VERTEX_ARRAY:
case GL_VERTEX_ARRAY_BUFFER_BINDING:
case GL_VERTEX_ARRAY_STRIDE:
case GL_VERTEX_ARRAY_SIZE:
case GL_VERTEX_ARRAY_TYPE:
case GL_VERTEX_ARRAY_POINTER:
return ClientVertexArrayType::Vertex;
case GL_NORMAL_ARRAY:
case GL_NORMAL_ARRAY_BUFFER_BINDING:
case GL_NORMAL_ARRAY_STRIDE:
case GL_NORMAL_ARRAY_TYPE:
case GL_NORMAL_ARRAY_POINTER:
return ClientVertexArrayType::Normal;
case GL_COLOR_ARRAY:
case GL_COLOR_ARRAY_BUFFER_BINDING:
case GL_COLOR_ARRAY_STRIDE:
case GL_COLOR_ARRAY_SIZE:
case GL_COLOR_ARRAY_TYPE:
case GL_COLOR_ARRAY_POINTER:
return ClientVertexArrayType::Color;
case GL_POINT_SIZE_ARRAY_OES:
case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
case GL_POINT_SIZE_ARRAY_STRIDE_OES:
case GL_POINT_SIZE_ARRAY_TYPE_OES:
case GL_POINT_SIZE_ARRAY_POINTER_OES:
return ClientVertexArrayType::PointSize;
case GL_TEXTURE_COORD_ARRAY:
case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
case GL_TEXTURE_COORD_ARRAY_STRIDE:
case GL_TEXTURE_COORD_ARRAY_SIZE:
case GL_TEXTURE_COORD_ARRAY_TYPE:
case GL_TEXTURE_COORD_ARRAY_POINTER:
return ClientVertexArrayType::TextureCoord;
default:
UNREACHABLE();
return ClientVertexArrayType::InvalidEnum;
}
}
void SetLightModelParameters(GLES1State *state, GLenum pname, const GLfloat *params)
{
LightModelParameters &lightModel = state->lightModelParameters();
switch (pname)
{
case GL_LIGHT_MODEL_AMBIENT:
lightModel.color = ColorF::fromData(params);
break;
case GL_LIGHT_MODEL_TWO_SIDE:
lightModel.twoSided = *params == 1.0f ? true : false;
break;
default:
break;
}
}
void GetLightModelParameters(const GLES1State *state, GLenum pname, GLfloat *params)
{
const LightModelParameters &lightModel = state->lightModelParameters();
switch (pname)
{
case GL_LIGHT_MODEL_TWO_SIDE:
*params = lightModel.twoSided ? 1.0f : 0.0f;
break;
case GL_LIGHT_MODEL_AMBIENT:
lightModel.color.writeData(params);
break;
default:
break;
}
}
bool IsLightModelTwoSided(const GLES1State *state)
{
return state->lightModelParameters().twoSided;
}
void SetLightParameters(GLES1State *state,
GLenum light,
LightParameter pname,
const GLfloat *params)
{
uint32_t lightIndex = light - GL_LIGHT0;
LightParameters &lightParams = state->lightParameters(lightIndex);
switch (pname)
{
case LightParameter::Ambient:
lightParams.ambient = ColorF::fromData(params);
break;
case LightParameter::Diffuse:
lightParams.diffuse = ColorF::fromData(params);
break;
case LightParameter::Specular:
lightParams.specular = ColorF::fromData(params);
break;
case LightParameter::Position:
{
angle::Mat4 mv = state->getModelviewMatrix();
angle::Vector4 transformedPos =
mv.product(angle::Vector4(params[0], params[1], params[2], params[3]));
lightParams.position[0] = transformedPos[0];
lightParams.position[1] = transformedPos[1];
lightParams.position[2] = transformedPos[2];
lightParams.position[3] = transformedPos[3];
}
break;
case LightParameter::SpotDirection:
{
angle::Mat4 mv = state->getModelviewMatrix();
angle::Vector4 transformedPos =
mv.product(angle::Vector4(params[0], params[1], params[2], 0.0f));
lightParams.direction[0] = transformedPos[0];
lightParams.direction[1] = transformedPos[1];
lightParams.direction[2] = transformedPos[2];
}
break;
case LightParameter::SpotExponent:
lightParams.spotlightExponent = *params;
break;
case LightParameter::SpotCutoff:
lightParams.spotlightCutoffAngle = *params;
break;
case LightParameter::ConstantAttenuation:
lightParams.attenuationConst = *params;
break;
case LightParameter::LinearAttenuation:
lightParams.attenuationLinear = *params;
break;
case LightParameter::QuadraticAttenuation:
lightParams.attenuationQuadratic = *params;
break;
default:
return;
}
}
void GetLightParameters(const GLES1State *state,
GLenum light,
LightParameter pname,
GLfloat *params)
{
uint32_t lightIndex = light - GL_LIGHT0;
const LightParameters &lightParams = state->lightParameters(lightIndex);
switch (pname)
{
case LightParameter::Ambient:
lightParams.ambient.writeData(params);
break;
case LightParameter::Diffuse:
lightParams.diffuse.writeData(params);
break;
case LightParameter::Specular:
lightParams.specular.writeData(params);
break;
case LightParameter::Position:
memcpy(params, lightParams.position.data(), 4 * sizeof(GLfloat));
break;
case LightParameter::SpotDirection:
memcpy(params, lightParams.direction.data(), 3 * sizeof(GLfloat));
break;
case LightParameter::SpotExponent:
*params = lightParams.spotlightExponent;
break;
case LightParameter::SpotCutoff:
*params = lightParams.spotlightCutoffAngle;
break;
case LightParameter::ConstantAttenuation:
*params = lightParams.attenuationConst;
break;
case LightParameter::LinearAttenuation:
*params = lightParams.attenuationLinear;
break;
case LightParameter::QuadraticAttenuation:
*params = lightParams.attenuationQuadratic;
break;
default:
break;
}
}
void SetMaterialParameters(GLES1State *state,
GLenum face,
MaterialParameter pname,
const GLfloat *params)
{
MaterialParameters &material = state->materialParameters();
switch (pname)
{
case MaterialParameter::Ambient:
material.ambient = ColorF::fromData(params);
break;
case MaterialParameter::Diffuse:
material.diffuse = ColorF::fromData(params);
break;
case MaterialParameter::AmbientAndDiffuse:
material.ambient = ColorF::fromData(params);
material.diffuse = ColorF::fromData(params);
break;
case MaterialParameter::Specular:
material.specular = ColorF::fromData(params);
break;
case MaterialParameter::Emission:
material.emissive = ColorF::fromData(params);
break;
case MaterialParameter::Shininess:
material.specularExponent = *params;
break;
default:
return;
}
}
void GetMaterialParameters(const GLES1State *state,
GLenum face,
MaterialParameter pname,
GLfloat *params)
{
const ColorF &currentColor = state->getCurrentColor();
const MaterialParameters &material = state->materialParameters();
const bool colorMaterialEnabled = state->isColorMaterialEnabled();
switch (pname)
{
case MaterialParameter::Ambient:
if (colorMaterialEnabled)
{
currentColor.writeData(params);
}
else
{
material.ambient.writeData(params);
}
break;
case MaterialParameter::Diffuse:
if (colorMaterialEnabled)
{
currentColor.writeData(params);
}
else
{
material.diffuse.writeData(params);
}
break;
case MaterialParameter::Specular:
material.specular.writeData(params);
break;
case MaterialParameter::Emission:
material.emissive.writeData(params);
break;
case MaterialParameter::Shininess:
*params = material.specularExponent;
break;
default:
return;
}
}
unsigned int GetLightModelParameterCount(GLenum pname)
{
switch (pname)
{
case GL_LIGHT_MODEL_AMBIENT:
return 4;
case GL_LIGHT_MODEL_TWO_SIDE:
return 1;
default:
return 0;
}
}
unsigned int GetLightParameterCount(LightParameter pname)
{
switch (pname)
{
case LightParameter::Ambient:
case LightParameter::Diffuse:
case LightParameter::Specular:
case LightParameter::Position:
return 4;
case LightParameter::SpotDirection:
return 3;
case LightParameter::SpotExponent:
case LightParameter::SpotCutoff:
case LightParameter::ConstantAttenuation:
case LightParameter::LinearAttenuation:
case LightParameter::QuadraticAttenuation:
return 1;
default:
return 0;
}
}
unsigned int GetMaterialParameterCount(MaterialParameter pname)
{
switch (pname)
{
case MaterialParameter::Ambient:
case MaterialParameter::Diffuse:
case MaterialParameter::Specular:
case MaterialParameter::Emission:
return 4;
case MaterialParameter::Shininess:
return 1;
default:
return 0;
}
}
void SetFogParameters(GLES1State *state, GLenum pname, const GLfloat *params)
{
FogParameters &fog = state->fogParameters();
switch (pname)
{
case GL_FOG_MODE:
fog.mode = FromGLenum<FogMode>(static_cast<GLenum>(params[0]));
break;
case GL_FOG_DENSITY:
fog.density = params[0];
break;
case GL_FOG_START:
fog.start = params[0];
break;
case GL_FOG_END:
fog.end = params[0];
break;
case GL_FOG_COLOR:
fog.color = ColorF::fromData(params);
break;
default:
return;
}
}
void GetFogParameters(const GLES1State *state, GLenum pname, GLfloat *params)
{
const FogParameters &fog = state->fogParameters();
switch (pname)
{
case GL_FOG_MODE:
params[0] = static_cast<GLfloat>(ToGLenum(fog.mode));
break;
case GL_FOG_DENSITY:
params[0] = fog.density;
break;
case GL_FOG_START:
params[0] = fog.start;
break;
case GL_FOG_END:
params[0] = fog.end;
break;
case GL_FOG_COLOR:
fog.color.writeData(params);
break;
default:
return;
}
}
unsigned int GetFogParameterCount(GLenum pname)
{
switch (pname)
{
case GL_FOG_MODE:
case GL_FOG_DENSITY:
case GL_FOG_START:
case GL_FOG_END:
return 1;
case GL_FOG_COLOR:
return 4;
default:
return 0;
}
}
unsigned int GetTextureEnvParameterCount(TextureEnvParameter pname)
{
switch (pname)
{
case TextureEnvParameter::Mode:
case TextureEnvParameter::CombineRgb:
case TextureEnvParameter::CombineAlpha:
case TextureEnvParameter::Src0Rgb:
case TextureEnvParameter::Src1Rgb:
case TextureEnvParameter::Src2Rgb:
case TextureEnvParameter::Src0Alpha:
case TextureEnvParameter::Src1Alpha:
case TextureEnvParameter::Src2Alpha:
case TextureEnvParameter::Op0Rgb:
case TextureEnvParameter::Op1Rgb:
case TextureEnvParameter::Op2Rgb:
case TextureEnvParameter::Op0Alpha:
case TextureEnvParameter::Op1Alpha:
case TextureEnvParameter::Op2Alpha:
case TextureEnvParameter::RgbScale:
case TextureEnvParameter::AlphaScale:
case TextureEnvParameter::PointCoordReplace:
return 1;
case TextureEnvParameter::Color:
return 4;
default:
return 0;
}
}
void ConvertTextureEnvFromInt(TextureEnvParameter pname, const GLint *input, GLfloat *output)
{
if (IsTextureEnvEnumParameter(pname))
{
ConvertGLenumValue(input[0], output);
return;
}
switch (pname)
{
case TextureEnvParameter::RgbScale:
case TextureEnvParameter::AlphaScale:
output[0] = static_cast<GLfloat>(input[0]);
break;
case TextureEnvParameter::Color:
for (int i = 0; i < 4; i++)
{
output[i] = input[i] / 255.0f;
}
break;
default:
UNREACHABLE();
break;
}
}
void ConvertTextureEnvFromFixed(TextureEnvParameter pname, const GLfixed *input, GLfloat *output)
{
if (IsTextureEnvEnumParameter(pname))
{
ConvertGLenumValue(input[0], output);
return;
}
switch (pname)
{
case TextureEnvParameter::RgbScale:
case TextureEnvParameter::AlphaScale:
output[0] = ConvertFixedToFloat(input[0]);
break;
case TextureEnvParameter::Color:
for (int i = 0; i < 4; i++)
{
output[i] = ConvertFixedToFloat(input[i]);
}
break;
default:
UNREACHABLE();
break;
}
}
void ConvertTextureEnvToInt(TextureEnvParameter pname, const GLfloat *input, GLint *output)
{
if (IsTextureEnvEnumParameter(pname))
{
ConvertGLenumValue(input[0], output);
return;
}
switch (pname)
{
case TextureEnvParameter::RgbScale:
case TextureEnvParameter::AlphaScale:
output[0] = static_cast<GLint>(input[0]);
break;
case TextureEnvParameter::Color:
for (int i = 0; i < 4; i++)
{
output[i] = static_cast<GLint>(input[i] * 255.0f);
}
break;
default:
UNREACHABLE();
break;
}
}
void ConvertTextureEnvToFixed(TextureEnvParameter pname, const GLfloat *input, GLfixed *output)
{
if (IsTextureEnvEnumParameter(pname))
{
ConvertGLenumValue(input[0], output);
return;
}
switch (pname)
{
case TextureEnvParameter::RgbScale:
case TextureEnvParameter::AlphaScale:
output[0] = ConvertFloatToFixed(input[0]);
break;
case TextureEnvParameter::Color:
for (int i = 0; i < 4; i++)
{
output[i] = ConvertFloatToFixed(input[i]);
}
break;
default:
UNREACHABLE();
break;
}
}
void SetTextureEnv(unsigned int unit,
GLES1State *state,
TextureEnvTarget target,
TextureEnvParameter pname,
const GLfloat *params)
{
TextureEnvironmentParameters &env = state->textureEnvironment(unit);
GLenum asEnum = ConvertToGLenum(params[0]);
switch (target)
{
case TextureEnvTarget::Env:
switch (pname)
{
case TextureEnvParameter::Mode:
env.mode = FromGLenum<TextureEnvMode>(asEnum);
break;
case TextureEnvParameter::CombineRgb:
env.combineRgb = FromGLenum<TextureCombine>(asEnum);
break;
case TextureEnvParameter::CombineAlpha:
env.combineAlpha = FromGLenum<TextureCombine>(asEnum);
break;
case TextureEnvParameter::Src0Rgb:
env.src0Rgb = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Src1Rgb:
env.src1Rgb = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Src2Rgb:
env.src2Rgb = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Src0Alpha:
env.src0Alpha = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Src1Alpha:
env.src1Alpha = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Src2Alpha:
env.src2Alpha = FromGLenum<TextureSrc>(asEnum);
break;
case TextureEnvParameter::Op0Rgb:
env.op0Rgb = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Op1Rgb:
env.op1Rgb = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Op2Rgb:
env.op2Rgb = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Op0Alpha:
env.op0Alpha = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Op1Alpha:
env.op1Alpha = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Op2Alpha:
env.op2Alpha = FromGLenum<TextureOp>(asEnum);
break;
case TextureEnvParameter::Color:
env.color = ColorF::fromData(params);
break;
case TextureEnvParameter::RgbScale:
env.rgbScale = params[0];
break;
case TextureEnvParameter::AlphaScale:
env.alphaScale = params[0];
break;
default:
UNREACHABLE();
break;
}
break;
case TextureEnvTarget::PointSprite:
switch (pname)
{
case TextureEnvParameter::PointCoordReplace:
env.pointSpriteCoordReplace = static_cast<bool>(params[0]);
break;
default:
UNREACHABLE();
break;
}
break;
default:
UNREACHABLE();
break;
}
}
void GetTextureEnv(unsigned int unit,
const GLES1State *state,
TextureEnvTarget target,
TextureEnvParameter pname,
GLfloat *params)
{
const TextureEnvironmentParameters &env = state->textureEnvironment(unit);
switch (target)
{
case TextureEnvTarget::Env:
switch (pname)
{
case TextureEnvParameter::Mode:
ConvertPackedEnum(env.mode, params);
break;
case TextureEnvParameter::CombineRgb:
ConvertPackedEnum(env.combineRgb, params);
break;
case TextureEnvParameter::CombineAlpha:
ConvertPackedEnum(env.combineAlpha, params);
break;
case TextureEnvParameter::Src0Rgb:
ConvertPackedEnum(env.src0Rgb, params);