blob: 5b684205eeb9e3db581a871db23310714b736862 [file] [log] [blame]
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL (ES) 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 Shader - render state interaction case.
*//*--------------------------------------------------------------------*/
#include "glsFragOpInteractionCase.hpp"
#include "glsRandomShaderProgram.hpp"
#include "glsFragmentOpUtil.hpp"
#include "glsInteractionTestUtil.hpp"
#include "gluRenderContext.hpp"
#include "gluContextInfo.hpp"
#include "rsgShader.hpp"
#include "rsgProgramGenerator.hpp"
#include "rsgUtils.hpp"
#include "sglrContext.hpp"
#include "sglrReferenceContext.hpp"
#include "sglrGLContext.hpp"
#include "sglrContextUtil.hpp"
#include "tcuRenderTarget.hpp"
#include "tcuImageCompare.hpp"
#include "deRandom.hpp"
#include "deString.h"
#include "deStringUtil.hpp"
#include "glwEnums.hpp"
#include "gluDrawUtil.hpp"
namespace deqp
{
namespace gls
{
using std::vector;
using std::string;
using tcu::Vec2;
using tcu::Vec4;
using tcu::IVec2;
using tcu::IVec4;
using gls::InteractionTestUtil::RenderState;
using gls::InteractionTestUtil::StencilState;
enum
{
NUM_ITERATIONS = 5,
NUM_COMMANDS_PER_ITERATION = 5,
VIEWPORT_WIDTH = 64,
VIEWPORT_HEIGHT = 64
};
namespace
{
static void computeVertexLayout (const vector<rsg::ShaderInput*>& attributes, int numVertices, vector<glu::VertexArrayBinding>* layout, int* stride)
{
DE_ASSERT(layout->empty());
int curOffset = 0;
for (vector<rsg::ShaderInput*>::const_iterator iter = attributes.begin(); iter != attributes.end(); ++iter)
{
const rsg::ShaderInput* attrib = *iter;
const rsg::Variable* var = attrib->getVariable();
const rsg::VariableType& type = var->getType();
const int numComps = type.getNumElements();
TCU_CHECK_INTERNAL(type.getBaseType() == rsg::VariableType::TYPE_FLOAT && de::inRange(type.getNumElements(), 1, 4));
layout->push_back(glu::va::Float(var->getName(), numComps, numVertices, 0 /* computed later */, (const float*)(deUintptr)curOffset));
curOffset += numComps * (int)sizeof(float);
}
for (vector<glu::VertexArrayBinding>::iterator vaIter = layout->begin(); vaIter != layout->end(); ++vaIter)
vaIter->pointer.stride = curOffset;
*stride = curOffset;
}
class VertexDataStorage
{
public:
VertexDataStorage (const vector<rsg::ShaderInput*>& attributes, int numVertices);
int getDataSize (void) const { return (int)m_data.size(); }
void* getBasePtr (void) { return m_data.empty() ? DE_NULL : &m_data[0]; }
const void* getBasePtr (void) const { return m_data.empty() ? DE_NULL : &m_data[0]; }
const std::vector<glu::VertexArrayBinding>& getLayout (void) const { return m_layout; }
int getNumEntries (void) const { return (int)m_layout.size(); }
const glu::VertexArrayBinding& getLayoutEntry (int ndx) const { return m_layout[ndx]; }
private:
std::vector<deUint8> m_data;
std::vector<glu::VertexArrayBinding> m_layout;
};
VertexDataStorage::VertexDataStorage (const vector<rsg::ShaderInput*>& attributes, int numVertices)
{
int stride = 0;
computeVertexLayout(attributes, numVertices, &m_layout, &stride);
m_data.resize(stride * numVertices);
}
static inline glu::VertexArrayBinding getEntryWithPointer (const VertexDataStorage& data, int ndx)
{
const glu::VertexArrayBinding& entry = data.getLayoutEntry(ndx);
return glu::VertexArrayBinding(entry.binding, glu::VertexArrayPointer(entry.pointer.componentType,
entry.pointer.convert,
entry.pointer.numComponents,
entry.pointer.numElements,
entry.pointer.stride,
(const void*)((deUintptr)entry.pointer.data+(deUintptr)data.getBasePtr())));
}
template<int Size>
static void setVertex (const glu::VertexArrayPointer& pointer, int vertexNdx, const tcu::Vector<float, Size>& value)
{
// \todo [2013-12-14 pyry] Implement other modes.
DE_ASSERT(pointer.componentType == glu::VTX_COMP_FLOAT && pointer.convert == glu::VTX_COMP_CONVERT_NONE);
DE_ASSERT(pointer.numComponents == Size);
DE_ASSERT(de::inBounds(vertexNdx, 0, pointer.numElements));
float* dst = (float*)((deUint8*)pointer.data + pointer.stride*vertexNdx);
for (int ndx = 0; ndx < Size; ndx++)
dst[ndx] = value[ndx];
}
template<int Size>
static tcu::Vector<float, Size> interpolateRange (const rsg::ConstValueRangeAccess& range, const tcu::Vector<float, Size>& t)
{
tcu::Vector<float, Size> result;
for (int ndx = 0; ndx < Size; ndx++)
result[ndx] = range.getMin().component(ndx).asFloat()*(1.0f - t[ndx]) + range.getMax().component(ndx).asFloat()*t[ndx];
return result;
}
struct Quad
{
tcu::IVec2 posA;
tcu::IVec2 posB;
};
struct RenderCommand
{
Quad quad;
float depth;
RenderState state;
RenderCommand (void) : depth(0.0f) {}
};
static Quad getRandomQuad (de::Random& rnd, int targetW, int targetH)
{
// \note In viewport coordinates.
// \todo [2012-12-18 pyry] Out-of-bounds values.
const int maxOutOfBounds = 0;
const float minSize = 0.5f;
const int minW = deCeilFloatToInt32(minSize * (float)targetW);
const int minH = deCeilFloatToInt32(minSize * (float)targetH);
const int maxW = targetW + 2*maxOutOfBounds;
const int maxH = targetH + 2*maxOutOfBounds;
const int width = rnd.getInt(minW, maxW);
const int height = rnd.getInt(minH, maxH);
const int x = rnd.getInt(-maxOutOfBounds, targetW+maxOutOfBounds-width);
const int y = rnd.getInt(-maxOutOfBounds, targetH+maxOutOfBounds-height);
const bool flipX = rnd.getBool();
const bool flipY = rnd.getBool();
Quad quad;
quad.posA = tcu::IVec2(flipX ? (x+width-1) : x, flipY ? (y+height-1) : y);
quad.posB = tcu::IVec2(flipX ? x : (x+width-1), flipY ? y : (y+height-1));
return quad;
}
static float getRandomDepth (de::Random& rnd)
{
// \note Not using depth 1.0 since clearing with 1.0 and rendering with 1.0 may not be same value.
static const float depthValues[] = { 0.0f, 0.2f, 0.4f, 0.5f, 0.51f, 0.6f, 0.8f, 0.95f };
return rnd.choose<float>(DE_ARRAY_BEGIN(depthValues), DE_ARRAY_END(depthValues));
}
static void computeRandomRenderCommand (de::Random& rnd, RenderCommand& command, glu::ApiType apiType, int targetW, int targetH)
{
command.quad = getRandomQuad(rnd, targetW, targetH);
command.depth = getRandomDepth(rnd);
gls::InteractionTestUtil::computeRandomRenderState(rnd, command.state, apiType, targetW, targetH);
}
static void setRenderState (sglr::Context& ctx, const RenderState& state)
{
if (state.scissorTestEnabled)
{
ctx.enable(GL_SCISSOR_TEST);
ctx.scissor(state.scissorRectangle.left, state.scissorRectangle.bottom,
state.scissorRectangle.width, state.scissorRectangle.height);
}
else
ctx.disable(GL_SCISSOR_TEST);
if (state.stencilTestEnabled)
{
ctx.enable(GL_STENCIL_TEST);
for (int face = 0; face < rr::FACETYPE_LAST; face++)
{
deUint32 glFace = face == rr::FACETYPE_BACK ? GL_BACK : GL_FRONT;
const StencilState& sParams = state.stencil[face];
ctx.stencilFuncSeparate(glFace, sParams.function, sParams.reference, sParams.compareMask);
ctx.stencilOpSeparate(glFace, sParams.stencilFailOp, sParams.depthFailOp, sParams.depthPassOp);
ctx.stencilMaskSeparate(glFace, sParams.writeMask);
}
}
else
ctx.disable(GL_STENCIL_TEST);
if (state.depthTestEnabled)
{
ctx.enable(GL_DEPTH_TEST);
ctx.depthFunc(state.depthFunc);
ctx.depthMask(state.depthWriteMask ? GL_TRUE : GL_FALSE);
}
else
ctx.disable(GL_DEPTH_TEST);
if (state.blendEnabled)
{
ctx.enable(GL_BLEND);
ctx.blendEquationSeparate(state.blendRGBState.equation, state.blendAState.equation);
ctx.blendFuncSeparate(state.blendRGBState.srcFunc, state.blendRGBState.dstFunc, state.blendAState.srcFunc, state.blendAState.dstFunc);
ctx.blendColor(state.blendColor.x(), state.blendColor.y(), state.blendColor.z(), state.blendColor.w());
}
else
ctx.disable(GL_BLEND);
if (state.ditherEnabled)
ctx.enable(GL_DITHER);
else
ctx.disable(GL_DITHER);
ctx.colorMask(state.colorMask[0] ? GL_TRUE : GL_FALSE,
state.colorMask[1] ? GL_TRUE : GL_FALSE,
state.colorMask[2] ? GL_TRUE : GL_FALSE,
state.colorMask[3] ? GL_TRUE : GL_FALSE);
}
static void renderQuad (sglr::Context& ctx, const glu::VertexArrayPointer& posPtr, const Quad& quad, const float depth)
{
const deUint16 indices[] = { 0, 1, 2, 2, 1, 3 };
const bool flipX = quad.posB.x() < quad.posA.x();
const bool flipY = quad.posB.y() < quad.posA.y();
const int viewportX = de::min(quad.posA.x(), quad.posB.x());
const int viewportY = de::min(quad.posA.y(), quad.posB.y());
const int viewportW = de::abs(quad.posA.x()-quad.posB.x())+1;
const int viewportH = de::abs(quad.posA.y()-quad.posB.y())+1;
const Vec2 pA (flipX ? 1.0f : -1.0f, flipY ? 1.0f : -1.0f);
const Vec2 pB (flipX ? -1.0f : 1.0f, flipY ? -1.0f : 1.0f);
setVertex(posPtr, 0, Vec4(pA.x(), pA.y(), depth, 1.0f));
setVertex(posPtr, 1, Vec4(pB.x(), pA.y(), depth, 1.0f));
setVertex(posPtr, 2, Vec4(pA.x(), pB.y(), depth, 1.0f));
setVertex(posPtr, 3, Vec4(pB.x(), pB.y(), depth, 1.0f));
ctx.viewport(viewportX, viewportY, viewportW, viewportH);
ctx.drawElements(GL_TRIANGLES, DE_LENGTH_OF_ARRAY(indices), GL_UNSIGNED_SHORT, &indices[0]);
}
static void render (sglr::Context& ctx, const glu::VertexArrayPointer& posPtr, const RenderCommand& cmd)
{
setRenderState(ctx, cmd.state);
renderQuad(ctx, posPtr, cmd.quad, cmd.depth);
}
static void setupAttributes (sglr::Context& ctx, const VertexDataStorage& vertexData, deUint32 program)
{
for (int attribNdx = 0; attribNdx < vertexData.getNumEntries(); ++attribNdx)
{
const glu::VertexArrayBinding bindingPtr = getEntryWithPointer(vertexData, attribNdx);
const int attribLoc = bindingPtr.binding.type == glu::BindingPoint::TYPE_NAME ? ctx.getAttribLocation(program, bindingPtr.binding.name.c_str()) : bindingPtr.binding.location;
DE_ASSERT(bindingPtr.pointer.componentType == glu::VTX_COMP_FLOAT);
if (attribLoc >= 0)
{
ctx.enableVertexAttribArray(attribLoc);
ctx.vertexAttribPointer(attribLoc, bindingPtr.pointer.numComponents, GL_FLOAT, GL_FALSE, bindingPtr.pointer.stride, bindingPtr.pointer.data);
}
}
}
void setUniformValue (sglr::Context& ctx, int location, rsg::ConstValueAccess value)
{
DE_STATIC_ASSERT(sizeof(rsg::Scalar) == sizeof(float));
DE_STATIC_ASSERT(sizeof(rsg::Scalar) == sizeof(int));
switch (value.getType().getBaseType())
{
case rsg::VariableType::TYPE_FLOAT:
switch (value.getType().getNumElements())
{
case 1: ctx.uniform1fv(location, 1, (float*)value.value().getValuePtr()); break;
case 2: ctx.uniform2fv(location, 1, (float*)value.value().getValuePtr()); break;
case 3: ctx.uniform3fv(location, 1, (float*)value.value().getValuePtr()); break;
case 4: ctx.uniform4fv(location, 1, (float*)value.value().getValuePtr()); break;
default: TCU_FAIL("Unsupported type"); break;
}
break;
case rsg::VariableType::TYPE_INT:
case rsg::VariableType::TYPE_BOOL:
case rsg::VariableType::TYPE_SAMPLER_2D:
case rsg::VariableType::TYPE_SAMPLER_CUBE:
switch (value.getType().getNumElements())
{
case 1: ctx.uniform1iv(location, 1, (int*)value.value().getValuePtr()); break;
case 2: ctx.uniform2iv(location, 1, (int*)value.value().getValuePtr()); break;
case 3: ctx.uniform3iv(location, 1, (int*)value.value().getValuePtr()); break;
case 4: ctx.uniform4iv(location, 1, (int*)value.value().getValuePtr()); break;
default: TCU_FAIL("Unsupported type"); break;
}
break;
default:
throw tcu::InternalError("Unsupported type", "", __FILE__, __LINE__);
}
}
static int findShaderInputIndex (const vector<rsg::ShaderInput*>& vars, const char* name)
{
for (int ndx = 0; ndx < (int)vars.size(); ++ndx)
{
if (deStringEqual(vars[ndx]->getVariable()->getName(), name))
return ndx;
}
throw tcu::InternalError(string(name) + " not found in shader inputs");
}
static float getWellBehavingChannelColor (float v, int numBits)
{
DE_ASSERT(de::inRange(numBits, 0, 32));
// clear color may not be accurately representable in the target format. If the clear color is
// on a representable value mapping range border, it could be rounded differently by the GL and in
// SGLR adding an unexpected error source. However, selecting an accurately representable background
// color would effectively disable dithering. To allow dithering and to prevent undefined rounding
// direction from affecting results, round accurate color to target color format with 8 sub-units
// (3 bits). If the selected sub-unit value is 3 or 4 (bordering 0.5), replace it with 2 and 5,
// respectively.
if (numBits == 0 || v <= 0.0f || v >= 1.0f)
{
// already accurately representable
return v;
}
else
{
const deUint64 numSubBits = 3;
const deUint64 subUnitBorderLo = (1u << (numSubBits - 1u)) - 1u;
const deUint64 subUnitBorderHi = 1u << (numSubBits - 1u);
const deUint64 maxFixedValue = (1u << (numBits + numSubBits)) - 1u;
const deUint64 fixedValue = deRoundFloatToInt64(v * (float)maxFixedValue);
const deUint64 units = fixedValue >> numSubBits;
const deUint64 subUnits = fixedValue & ((1u << numSubBits) - 1u);
const deUint64 tweakedSubUnits = (subUnits == subUnitBorderLo) ? (subUnitBorderLo - 1)
: (subUnits == subUnitBorderHi) ? (subUnitBorderHi + 1)
: (subUnits);
const deUint64 tweakedValue = (units << numSubBits) | (tweakedSubUnits);
return float(tweakedValue) / float(maxFixedValue);
}
}
static tcu::Vec4 getWellBehavingColor (const tcu::Vec4& accurateColor, const tcu::PixelFormat& format)
{
return tcu::Vec4(getWellBehavingChannelColor(accurateColor[0], format.redBits),
getWellBehavingChannelColor(accurateColor[1], format.greenBits),
getWellBehavingChannelColor(accurateColor[2], format.blueBits),
getWellBehavingChannelColor(accurateColor[3], format.alphaBits));
}
} // anonymous
struct FragOpInteractionCase::ReferenceContext
{
const sglr::ReferenceContextLimits limits;
sglr::ReferenceContextBuffers buffers;
sglr::ReferenceContext context;
ReferenceContext (glu::RenderContext& renderCtx, int width, int height)
: limits (renderCtx)
, buffers (renderCtx.getRenderTarget().getPixelFormat(), renderCtx.getRenderTarget().getDepthBits(), renderCtx.getRenderTarget().getStencilBits(), width, height)
, context (limits, buffers.getColorbuffer(), buffers.getDepthbuffer(), buffers.getStencilbuffer())
{
}
};
FragOpInteractionCase::FragOpInteractionCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const rsg::ProgramParameters& params)
: TestCase (testCtx, name, "")
, m_renderCtx (renderCtx)
, m_ctxInfo (ctxInfo)
, m_params (params)
, m_vertexShader (rsg::Shader::TYPE_VERTEX)
, m_fragmentShader (rsg::Shader::TYPE_FRAGMENT)
, m_program (DE_NULL)
, m_glCtx (DE_NULL)
, m_referenceCtx (DE_NULL)
, m_glProgram (0)
, m_refProgram (0)
, m_iterNdx (0)
{
}
FragOpInteractionCase::~FragOpInteractionCase (void)
{
FragOpInteractionCase::deinit();
}
void FragOpInteractionCase::init (void)
{
de::Random rnd (m_params.seed ^ 0x232faac);
const int viewportW = de::min<int>(m_renderCtx.getRenderTarget().getWidth(), VIEWPORT_WIDTH);
const int viewportH = de::min<int>(m_renderCtx.getRenderTarget().getHeight(), VIEWPORT_HEIGHT);
const int viewportX = rnd.getInt(0, m_renderCtx.getRenderTarget().getWidth() - viewportW);
const int viewportY = rnd.getInt(0, m_renderCtx.getRenderTarget().getHeight() - viewportH);
rsg::ProgramGenerator generator;
generator.generate(m_params, m_vertexShader, m_fragmentShader);
rsg::computeUnifiedUniforms(m_vertexShader, m_fragmentShader, m_unifiedUniforms);
try
{
DE_ASSERT(!m_program);
m_program = new gls::RandomShaderProgram(m_vertexShader, m_fragmentShader, (int)m_unifiedUniforms.size(), m_unifiedUniforms.empty() ? DE_NULL : &m_unifiedUniforms[0]);
DE_ASSERT(!m_referenceCtx);
m_referenceCtx = new ReferenceContext(m_renderCtx, viewportW, viewportH);
DE_ASSERT(!m_glCtx);
m_glCtx = new sglr::GLContext(m_renderCtx, m_testCtx.getLog(), sglr::GLCONTEXT_LOG_CALLS|sglr::GLCONTEXT_LOG_PROGRAMS, IVec4(viewportX, viewportY, viewportW, viewportH));
m_refProgram = m_referenceCtx->context.createProgram(m_program);
m_glProgram = m_glCtx->createProgram(m_program);
m_viewportSize = tcu::IVec2(viewportW, viewportH);
m_iterNdx = 0;
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
}
catch (...)
{
// Save some memory by cleaning up stuff.
FragOpInteractionCase::deinit();
throw;
}
}
void FragOpInteractionCase::deinit (void)
{
delete m_referenceCtx;
m_referenceCtx = DE_NULL;
delete m_glCtx;
m_glCtx = DE_NULL;
delete m_program;
m_program = DE_NULL;
}
FragOpInteractionCase::IterateResult FragOpInteractionCase::iterate (void)
{
de::Random rnd (m_params.seed ^ deInt32Hash(m_iterNdx));
const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Iter") + de::toString(m_iterNdx), string("Iteration ") + de::toString(m_iterNdx));
const int positionNdx = findShaderInputIndex(m_vertexShader.getInputs(), "dEQP_Position");
const int numVertices = 4;
VertexDataStorage vertexData (m_vertexShader.getInputs(), numVertices);
std::vector<rsg::VariableValue> uniformValues;
std::vector<RenderCommand> renderCmds (NUM_COMMANDS_PER_ITERATION);
tcu::Surface rendered (m_viewportSize.x(), m_viewportSize.y());
tcu::Surface reference (m_viewportSize.x(), m_viewportSize.y());
const tcu::Vec4 vtxInterpFactors[] =
{
tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f),
tcu::Vec4(1.0f, 0.0f, 0.5f, 0.5f),
tcu::Vec4(0.0f, 1.0f, 0.5f, 0.5f),
tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)
};
rsg::computeUniformValues(rnd, uniformValues, m_unifiedUniforms);
for (int attribNdx = 0; attribNdx < (int)m_vertexShader.getInputs().size(); ++attribNdx)
{
if (attribNdx == positionNdx)
continue;
const rsg::ShaderInput* shaderIn = m_vertexShader.getInputs()[attribNdx];
const rsg::VariableType& varType = shaderIn->getVariable()->getType();
const rsg::ConstValueRangeAccess valueRange = shaderIn->getValueRange();
const int numComponents = varType.getNumElements();
const glu::VertexArrayBinding layoutEntry = getEntryWithPointer(vertexData, attribNdx);
DE_ASSERT(varType.getBaseType() == rsg::VariableType::TYPE_FLOAT);
for (int vtxNdx = 0; vtxNdx < 4; vtxNdx++)
{
const int fNdx = (attribNdx+vtxNdx+m_iterNdx)%DE_LENGTH_OF_ARRAY(vtxInterpFactors);
const tcu::Vec4& f = vtxInterpFactors[fNdx];
switch (numComponents)
{
case 1: setVertex(layoutEntry.pointer, vtxNdx, interpolateRange(valueRange, f.toWidth<1>())); break;
case 2: setVertex(layoutEntry.pointer, vtxNdx, interpolateRange(valueRange, f.toWidth<2>())); break;
case 3: setVertex(layoutEntry.pointer, vtxNdx, interpolateRange(valueRange, f.toWidth<3>())); break;
case 4: setVertex(layoutEntry.pointer, vtxNdx, interpolateRange(valueRange, f.toWidth<4>())); break;
default:
DE_ASSERT(false);
}
}
}
for (vector<RenderCommand>::iterator cmdIter = renderCmds.begin(); cmdIter != renderCmds.end(); ++cmdIter)
computeRandomRenderCommand(rnd, *cmdIter, m_renderCtx.getType().getAPI(), m_viewportSize.x(), m_viewportSize.y());
// Workaround for inaccurate barycentric/depth computation in current reference renderer:
// Small bias is added to the draw call depths, in increasing order, to avoid accuracy issues in depth comparison.
for (int cmdNdx = 0; cmdNdx < (int)renderCmds.size(); cmdNdx++)
renderCmds[cmdNdx].depth += 0.0231725f * float(cmdNdx);
{
const glu::VertexArrayPointer posPtr = getEntryWithPointer(vertexData, positionNdx).pointer;
sglr::Context* const contexts[] = { m_glCtx, &m_referenceCtx->context };
const deUint32 programs[] = { m_glProgram, m_refProgram };
tcu::PixelBufferAccess readDst[] = { rendered.getAccess(), reference.getAccess() };
const tcu::Vec4 accurateClearColor = tcu::Vec4(0.0f, 0.25f, 0.5f, 1.0f);
const tcu::Vec4 clearColor = getWellBehavingColor(accurateClearColor, m_renderCtx.getRenderTarget().getPixelFormat());
for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(contexts); ndx++)
{
sglr::Context& ctx = *contexts[ndx];
const deUint32 program = programs[ndx];
setupAttributes(ctx, vertexData, program);
ctx.disable (GL_SCISSOR_TEST);
ctx.colorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
ctx.depthMask (GL_TRUE);
ctx.stencilMask (~0u);
ctx.clearColor (clearColor.x(), clearColor.y(), clearColor.z(), clearColor.w());
ctx.clear (GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
ctx.useProgram (program);
for (vector<rsg::VariableValue>::const_iterator uniformIter = uniformValues.begin(); uniformIter != uniformValues.end(); ++uniformIter)
setUniformValue(ctx, ctx.getUniformLocation(program, uniformIter->getVariable()->getName()), uniformIter->getValue());
for (vector<RenderCommand>::const_iterator cmdIter = renderCmds.begin(); cmdIter != renderCmds.end(); ++cmdIter)
render(ctx, posPtr, *cmdIter);
GLU_EXPECT_NO_ERROR(ctx.getError(), "Rendering failed");
ctx.readPixels(0, 0, m_viewportSize.x(), m_viewportSize.y(), GL_RGBA, GL_UNSIGNED_BYTE, readDst[ndx].getDataPtr());
}
}
{
const tcu::RGBA threshold = m_renderCtx.getRenderTarget().getPixelFormat().getColorThreshold()+tcu::RGBA(3,3,3,3);
const bool compareOk = tcu::bilinearCompare(m_testCtx.getLog(), "CompareResult", "Image comparison result", reference.getAccess(), rendered.getAccess(), threshold, tcu::COMPARE_LOG_RESULT);
if (!compareOk)
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image comparison failed");
return STOP;
}
}
m_iterNdx += 1;
return (m_iterNdx < NUM_ITERATIONS) ? CONTINUE : STOP;
}
} // gls
} // deqp