/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.0 Module
* -------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* 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.
*
*//*!
* \file
* \brief Texture format performance tests.
*//*--------------------------------------------------------------------*/
#include "es3pTextureCases.hpp"
#include "glsShaderPerformanceCase.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuRenderTarget.hpp"
#include "gluTexture.hpp"
#include "gluTextureUtil.hpp"
#include "gluStrUtil.hpp"
#include "deStringUtil.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
namespace deqp
{
namespace gles3
{
namespace Performance
{
using namespace gls;
using namespace glw; // GL types
using tcu::Vec2;
using tcu::Vec3;
using tcu::Vec4;
using tcu::IVec4;
using std::string;
using std::vector;
using tcu::TestLog;
Texture2DRenderCase::Texture2DRenderCase (Context& context,
const char* name,
const char* description,
deUint32 internalFormat,
deUint32 wrapS,
deUint32 wrapT,
deUint32 minFilter,
deUint32 magFilter,
const tcu::Mat3& coordTransform,
int numTextures,
bool powerOfTwo)
: ShaderPerformanceCase (context.getTestContext(), context.getRenderContext(), name, description, CASETYPE_FRAGMENT)
, m_internalFormat (internalFormat)
, m_wrapS (wrapS)
, m_wrapT (wrapT)
, m_minFilter (minFilter)
, m_magFilter (magFilter)
, m_coordTransform (coordTransform)
, m_numTextures (numTextures)
, m_powerOfTwo (powerOfTwo)
{
}
Texture2DRenderCase::~Texture2DRenderCase (void)
{
for (vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
delete *i;
m_textures.clear();
}
static inline int roundDownToPowerOfTwo (int val)
{
DE_ASSERT(val >= 0);
int l0 = deClz32(val);
return val & ~((1<<(31-l0))-1);
}
void Texture2DRenderCase::init (void)
{
TestLog& log = m_testCtx.getLog();
const tcu::TextureFormat texFormat = glu::mapGLInternalFormat(m_internalFormat);
const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFormat);
const glu::Precision samplerPrec = (texFormat.type == tcu::TextureFormat::FLOAT ||
texFormat.type == tcu::TextureFormat::UNSIGNED_INT32 ||
texFormat.type == tcu::TextureFormat::SIGNED_INT32)
? glu::PRECISION_HIGHP : glu::PRECISION_MEDIUMP;
const glu::DataType samplerType = glu::getSampler2DType(texFormat);
const bool isIntUint = samplerType == glu::TYPE_INT_SAMPLER_2D || samplerType == glu::TYPE_UINT_SAMPLER_2D;
int width = m_renderCtx.getRenderTarget().getWidth();
int height = m_renderCtx.getRenderTarget().getHeight();
if (m_powerOfTwo)
{
width = roundDownToPowerOfTwo(width);
height = roundDownToPowerOfTwo(height);
}
bool mipmaps = m_minFilter == GL_NEAREST_MIPMAP_NEAREST ||
m_minFilter == GL_NEAREST_MIPMAP_LINEAR ||
m_minFilter == GL_LINEAR_MIPMAP_NEAREST ||
m_minFilter == GL_LINEAR_MIPMAP_LINEAR;
DE_ASSERT(m_powerOfTwo || (!mipmaps && m_wrapS == GL_CLAMP_TO_EDGE && m_wrapT == GL_CLAMP_TO_EDGE));
Vec2 p00 = (m_coordTransform * Vec3(0.0f, 0.0f, 1.0f)).swizzle(0,1);
Vec2 p10 = (m_coordTransform * Vec3(1.0f, 0.0f, 1.0f)).swizzle(0,1);
Vec2 p01 = (m_coordTransform * Vec3(0.0f, 1.0f, 1.0f)).swizzle(0,1);
Vec2 p11 = (m_coordTransform * Vec3(1.0f, 1.0f, 1.0f)).swizzle(0,1);
m_attributes.push_back(AttribSpec("a_coords", Vec4(p00.x(), p00.y(), 0.0f, 0.0f),
Vec4(p10.x(), p10.y(), 0.0f, 0.0f),
Vec4(p01.x(), p01.y(), 0.0f, 0.0f),
Vec4(p11.x(), p11.y(), 0.0f, 0.0f)));
log << TestLog::Message << "Size: " << width << "x" << height << TestLog::EndMessage;
log << TestLog::Message << "Format: " <<glu::getPixelFormatName(m_internalFormat) << TestLog::EndMessage;
log << TestLog::Message << "Coords: " << p00 << ", " << p10 << ", " << p01 << ", " << p11 << TestLog::EndMessage;
log << TestLog::Message << "Wrap: " << glu::getTextureWrapModeStr(m_wrapS) << " / " << glu::getTextureWrapModeStr(m_wrapT) << TestLog::EndMessage;
log << TestLog::Message << "Filter: " << glu::getTextureFilterStr(m_minFilter) << " / " << glu::getTextureFilterStr(m_magFilter) << TestLog::EndMessage;
log << TestLog::Message << "Mipmaps: " << (mipmaps ? "true" : "false") << TestLog::EndMessage;
log << TestLog::Message << "Using additive blending." << TestLog::EndMessage;
// Use same viewport size as texture size.
setViewportSize(width, height);
m_vertShaderSource =
"#version 300 es\n"
"in highp vec4 a_position;\n"
"in mediump vec2 a_coords;\n"
"out mediump vec2 v_coords;\n"
"void main (void)\n"
"{\n"
" gl_Position = a_position;\n"
" v_coords = a_coords;\n"
"}\n";
std::ostringstream fragSrc;
fragSrc << "#version 300 es\n";
fragSrc << "layout(location = 0) out mediump vec4 o_color;\n";
fragSrc << "in mediump vec2 v_coords;\n";
for (int texNdx = 0; texNdx < m_numTextures; texNdx++)
fragSrc << "uniform " << glu::getPrecisionName(samplerPrec) << " " << glu::getDataTypeName(samplerType) << " u_sampler" << texNdx << ";\n";
fragSrc << "void main (void)\n"
<< "{\n";
for (int texNdx = 0; texNdx < m_numTextures; texNdx++)
{
if (texNdx == 0)
fragSrc << "\t" << glu::getPrecisionName(samplerPrec) << " vec4 r = ";
else
fragSrc << "\tr += ";
if (isIntUint)
fragSrc << "vec4(";
fragSrc << "texture(u_sampler" << texNdx << ", v_coords)";
if (isIntUint)
fragSrc << ")";
fragSrc << ";\n";
}
fragSrc << " o_color = r;\n"
<< "}\n";
m_fragShaderSource = fragSrc.str();
m_textures.reserve(m_numTextures);
for (int texNdx = 0; texNdx < m_numTextures; texNdx++)
{
static const IVec4 swizzles[] = { IVec4(0,1,2,3), IVec4(1,2,3,0), IVec4(2,3,0,1), IVec4(3,0,1,2),
IVec4(3,2,1,0), IVec4(2,1,0,3), IVec4(1,0,3,2), IVec4(0,3,2,1) };
const IVec4& sw = swizzles[texNdx % DE_LENGTH_OF_ARRAY(swizzles)];
glu::Texture2D* texture = new glu::Texture2D(m_renderCtx, m_internalFormat, width, height);
m_textures.push_back(texture);
// Fill levels.
int numLevels = mipmaps ? texture->getRefTexture().getNumLevels() : 1;
for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
{
// \todo [2013-06-02 pyry] Values are not scaled back to 0..1 range in shaders.
texture->getRefTexture().allocLevel(levelNdx);
tcu::fillWithComponentGradients(texture->getRefTexture().getLevel(levelNdx),
fmtInfo.valueMin.swizzle(sw[0], sw[1], sw[2], sw[3]),
fmtInfo.valueMax.swizzle(sw[0], sw[1], sw[2], sw[3]));
}
texture->upload();
}
ShaderPerformanceCase::init();
}
void Texture2DRenderCase::deinit (void)
{
for (vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
delete *i;
m_textures.clear();
ShaderPerformanceCase::deinit();
}
void Texture2DRenderCase::setupProgram (deUint32 program)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
for (int texNdx = 0; texNdx < m_numTextures; texNdx++)
{
int samplerLoc = gl.getUniformLocation(program, (string("u_sampler") + de::toString(texNdx)).c_str());
gl.uniform1i(samplerLoc, texNdx);
}
}
void Texture2DRenderCase::setupRenderState (void)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
// Setup additive blending.
gl.enable(GL_BLEND);
gl.blendFunc(GL_ONE, GL_ONE);
gl.blendEquation(GL_FUNC_ADD);
// Setup textures.
for (int texNdx = 0; texNdx < m_numTextures; texNdx++)
{
gl.activeTexture(GL_TEXTURE0 + texNdx);
gl.bindTexture(GL_TEXTURE_2D, m_textures[texNdx]->getGLTexture());
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_minFilter);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, m_magFilter);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_wrapS);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_wrapT);
}
}
} // Performance
} // gles3
} // deqp