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PL286/external/deqp/modules/glshared/glsSamplerObjectTest.cpp

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/*-------------------------------------------------------------------------
* 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 Sampler object testcases.
*//*--------------------------------------------------------------------*/
#include "glsSamplerObjectTest.hpp"
#include "tcuTexture.hpp"
#include "tcuSurface.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuImageCompare.hpp"
#include "tcuTestLog.hpp"
#include "tcuRGBA.hpp"
#include "tcuRenderTarget.hpp"
#include "tcuStringTemplate.hpp"
#include "gluShaderProgram.hpp"
#include "gluPixelTransfer.hpp"
#include "gluDrawUtil.hpp"
#include "gluRenderContext.hpp"
#include "gluTextureUtil.hpp"
#include "glwFunctions.hpp"
#include "deRandom.hpp"
#include "deString.h"
#include "deString.h"
#include <map>
namespace deqp
{
namespace gls
{
namespace
{
const int VIEWPORT_WIDTH = 128;
const int VIEWPORT_HEIGHT = 128;
const int TEXTURE2D_WIDTH = 32;
const int TEXTURE2D_HEIGHT = 32;
const int TEXTURE3D_WIDTH = 32;
const int TEXTURE3D_HEIGHT = 32;
const int TEXTURE3D_DEPTH = 32;
const int CUBEMAP_SIZE = 32;
} // anonymous
TextureSamplerTest::TextureSamplerTest (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const TestSpec& spec)
: tcu::TestCase (testCtx, spec.name, spec.desc)
, m_renderCtx (renderCtx)
, m_program (NULL)
, m_target (spec.target)
, m_textureState (spec.textureState)
, m_samplerState (spec.samplerState)
, m_random (deStringHash(spec.name))
{
}
void TextureSamplerTest::setTextureState (const glw::Functions& gl, GLenum target, SamplingState state)
{
gl.texParameteri(target, GL_TEXTURE_MIN_FILTER, state.minFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_MIN_FILTER, state.minFilter)");
gl.texParameteri(target, GL_TEXTURE_MAG_FILTER, state.magFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_MAG_FILTER, state.magFilter)");
gl.texParameteri(target, GL_TEXTURE_WRAP_S, state.wrapS);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_S, state.wrapS)");
gl.texParameteri(target, GL_TEXTURE_WRAP_T, state.wrapT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_T, state.wrapT)");
gl.texParameteri(target, GL_TEXTURE_WRAP_R, state.wrapR);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_R, state.wrapR)");
gl.texParameterf(target, GL_TEXTURE_MAX_LOD, state.maxLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameterf(target, GL_TEXTURE_MAX_LOD, state.maxLod)");
gl.texParameterf(target, GL_TEXTURE_MIN_LOD, state.minLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameterf(target, GL_TEXTURE_MIN_LOD, state.minLod)");
}
void TextureSamplerTest::setSamplerState (const glw::Functions& gl, SamplingState state, GLuint sampler)
{
gl.samplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, state.minFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, state.minFilter)");
gl.samplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, state.magFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, state.magFilter)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_S, state.wrapS);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_S, state.wrapS)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_T, state.wrapT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_T, state.wrapT)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_R, state.wrapR);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_R, state.wrapR)");
gl.samplerParameterf(sampler, GL_TEXTURE_MAX_LOD, state.maxLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameterf(sampler, GL_TEXTURE_MAX_LOD, state.maxLod)");
gl.samplerParameterf(sampler, GL_TEXTURE_MIN_LOD, state.minLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameterf(sampler, GL_TEXTURE_MIN_LOD, state.minLod)");
}
const char* TextureSamplerTest::selectVertexShader (GLenum target)
{
switch (target)
{
case GL_TEXTURE_2D:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec2 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position;\n"
"\tgl_Position = vec4(u_posScale * a_position, 0.0, 1.0);\n"
"}";
case GL_TEXTURE_3D:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec3 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec3 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position;\n"
"\tgl_Position = vec4(u_posScale * a_position.xy, 0.0, 1.0);\n"
"}";
case GL_TEXTURE_CUBE_MAP:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec4 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position.zw;\n"
"\tgl_Position = vec4(u_posScale * a_position.xy, 0.0, 1.0);\n"
"}";
default:
DE_ASSERT(false);
return NULL;
}
}
const char* TextureSamplerTest::selectFragmentShader (GLenum target)
{
switch (target)
{
case GL_TEXTURE_2D:
return
"${FRAG_HDR}"
"uniform ${LOWP} sampler2D u_sampler;\n"
"${FRAG_IN} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = texture(u_sampler, v_texCoord);\n"
"}";
case GL_TEXTURE_3D:
return
"${FRAG_HDR}"
"uniform ${LOWP} sampler3D u_sampler;\n"
"${FRAG_IN} ${MEDIUMP} vec3 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = texture(u_sampler, v_texCoord);\n"
"}";
case GL_TEXTURE_CUBE_MAP:
return
"${FRAG_HDR}"
"uniform ${LOWP} samplerCube u_sampler;\n"
"${FRAG_IN} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = texture(u_sampler, vec3(cos(3.14 * v_texCoord.y) * sin(3.14 * v_texCoord.x), sin(3.14 * v_texCoord.y), cos(3.14 * v_texCoord.y) * cos(3.14 * v_texCoord.x)));\n"
"}";
default:
DE_ASSERT(false);
return NULL;
}
}
void TextureSamplerTest::init (void)
{
const char* vertexShaderTemplate = selectVertexShader(m_target);
const char* fragmentShaderTemplate = selectFragmentShader(m_target);
std::map<std::string, std::string> params;
if (glu::isGLSLVersionSupported(m_renderCtx.getType(), glu::GLSL_VERSION_300_ES))
{
params["VTX_HDR"] = "#version 300 es\n";
params["FRAG_HDR"] = "#version 300 es\nlayout(location = 0) out mediump vec4 o_color;\n";
params["VTX_IN"] = "in";
params["VTX_OUT"] = "out";
params["FRAG_IN"] = "in";
params["FRAG_COLOR"] = "o_color";
params["HIGHP"] = "highp";
params["LOWP"] = "lowp";
params["MEDIUMP"] = "mediump";
}
else if (glu::isGLSLVersionSupported(m_renderCtx.getType(), glu::GLSL_VERSION_330))
{
params["VTX_HDR"] = "#version 330\n";
params["FRAG_HDR"] = "#version 330\nlayout(location = 0) out mediump vec4 o_color;\n";
params["VTX_IN"] = "in";
params["VTX_OUT"] = "out";
params["FRAG_IN"] = "in";
params["FRAG_COLOR"] = "o_color";
params["HIGHP"] = "highp";
params["LOWP"] = "lowp";
params["MEDIUMP"] = "mediump";
}
else
DE_ASSERT(false);
DE_ASSERT(!m_program);
m_program = new glu::ShaderProgram(m_renderCtx,
glu::makeVtxFragSources(tcu::StringTemplate(vertexShaderTemplate).specialize(params),
tcu::StringTemplate(fragmentShaderTemplate).specialize(params)));
if (!m_program->isOk())
{
tcu::TestLog& log = m_testCtx.getLog();
log << *m_program;
TCU_FAIL("Failed to compile shaders");
}
}
void TextureSamplerTest::deinit (void)
{
delete m_program;
m_program = NULL;
}
TextureSamplerTest::~TextureSamplerTest (void)
{
deinit();
}
const float s_positions[] = {
-1.0, -1.0,
1.0, -1.0,
1.0, 1.0,
1.0, 1.0,
-1.0, 1.0,
-1.0, -1.0
};
const float s_positions3D[] = {
-1.0f, -1.0f, -1.0f,
1.0f, -1.0f, 1.0f,
1.0f, 1.0f, -1.0f,
1.0f, 1.0f, -1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f
};
const float s_positionsCube[] = {
-1.0f, -1.0f, -1.0f, -0.5f,
1.0f, -1.0f, 1.0f, -0.5f,
1.0f, 1.0f, 1.0f, 0.5f,
1.0f, 1.0f, 1.0f, 0.5f,
-1.0f, 1.0f, -1.0f, 0.5f,
-1.0f, -1.0f, -1.0f, -0.5f
};
void TextureSamplerTest::render (void)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint samplerLoc = (GLuint)-1;
GLuint scaleLoc = (GLuint)-1;
gl.useProgram(m_program->getProgram());
GLU_EXPECT_NO_ERROR(gl.getError(), "glUseProgram(m_program->getProgram())");
samplerLoc = gl.getUniformLocation(m_program->getProgram(), "u_sampler");
TCU_CHECK(samplerLoc != (GLuint)-1);
scaleLoc = gl.getUniformLocation(m_program->getProgram(), "u_posScale");
TCU_CHECK(scaleLoc != (GLuint)-1);
gl.clearColor(0.5f, 0.5f, 0.5f, 1.0f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glClearColor(0.5f, 0.5f, 0.5f, 1.0f)");
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glClear(GL_COLOR_BUFFER_BIT)");
gl.uniform1i(samplerLoc, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1i(samplerLoc, 0)");
gl.uniform1f(scaleLoc, 1.0f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 1.0f)");
switch (m_target)
{
case GL_TEXTURE_2D:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 2, 6, 0, s_positions))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
case GL_TEXTURE_3D:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 3, 6, 0, s_positions3D))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
case GL_TEXTURE_CUBE_MAP:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 4, 6, 0, s_positionsCube))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
default:
DE_ASSERT(false);
}
}
GLuint TextureSamplerTest::createTexture2D (const glw::Functions& gl)
{
GLuint texture = (GLuint)-1;
tcu::Texture2D refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), TEXTURE2D_WIDTH, TEXTURE2D_HEIGHT);
refTexture.allocLevel(0);
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
gl.genTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures(1, &texture)");
gl.bindTexture(GL_TEXTURE_2D, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_2D, texture)");
gl.texImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr());
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr())");
gl.generateMipmap(GL_TEXTURE_2D);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_2D)");
gl.bindTexture(GL_TEXTURE_2D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_2D, texture)");
return texture;
}
GLuint TextureSamplerTest::createTexture3D (const glw::Functions& gl)
{
GLuint texture = (GLuint)-1;
tcu::Texture3D refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), TEXTURE3D_WIDTH, TEXTURE3D_HEIGHT, TEXTURE3D_DEPTH);
refTexture.allocLevel(0);
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
gl.genTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures(1, &texture)");
gl.bindTexture(GL_TEXTURE_3D, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_3D, texture)");
gl.texImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), refTexture.getDepth(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr());
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), refTexture.getDepth(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr())");
gl.generateMipmap(GL_TEXTURE_3D);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_3D)");
gl.bindTexture(GL_TEXTURE_3D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_3D, 0)");
return texture;
}
GLuint TextureSamplerTest::createTextureCube (const glw::Functions& gl)
{
GLuint texture = (GLuint)-1;
tcu::TextureCube refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), CUBEMAP_SIZE);
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_X, 0);
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_Y, 0);
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_Z, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_X, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_Y, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_Z, 0);
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Y), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Z), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_X), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Y), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Z), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
gl.bindTexture(GL_TEXTURE_CUBE_MAP, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_CUBE_MAP, texture)");
for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
{
const deUint32 target = glu::getGLCubeFace((tcu::CubeFace)face);
gl.texImage2D(target, 0, GL_RGBA8, refTexture.getSize(), refTexture.getSize(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevelFace(0, (tcu::CubeFace)face).getDataPtr());
}
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D(GL_TEXTURE_CUBE_MAP_...) failed");
gl.generateMipmap(GL_TEXTURE_CUBE_MAP);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_CUBE_MAP)");
gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_CUBE_MAP, texture)");
return texture;
}
GLuint TextureSamplerTest::createTexture (const glw::Functions& gl, GLenum target)
{
switch (target)
{
case GL_TEXTURE_2D:
return createTexture2D(gl);
case GL_TEXTURE_3D:
return createTexture3D(gl);
case GL_TEXTURE_CUBE_MAP:
return createTextureCube(gl);
default:
DE_ASSERT(false);
return (GLuint)-1;
}
}
void TextureSamplerTest::renderReferences (tcu::Surface& textureRef, tcu::Surface& samplerRef, int x, int y)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint texture = createTexture(gl, m_target);
gl.viewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glViewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT)");
gl.bindTexture(m_target, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture)");
setTextureState(gl, m_target, m_textureState);
render();
glu::readPixels(m_renderCtx, x, y, textureRef.getAccess());
setTextureState(gl, m_target, m_samplerState);
render();
glu::readPixels(m_renderCtx, x, y, samplerRef.getAccess());
gl.deleteTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteTextures(1, &texture)");
}
void TextureSamplerTest::renderResults (tcu::Surface& textureResult, tcu::Surface& samplerResult, int x, int y)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint texture = createTexture(gl, m_target);
GLuint sampler = -1;
gl.viewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glViewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT)");
gl.genSamplers(1, &sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenSamplers(1, &sampler)");
TCU_CHECK(sampler != (GLuint)-1);
gl.bindSampler(0, sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(0, sampler)");
// First set sampler state
setSamplerState(gl, m_samplerState, sampler);
// Set texture state
gl.bindTexture(m_target, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture)");
setTextureState(gl, m_target, m_textureState);
// Render using sampler
render();
glu::readPixels(m_renderCtx, x, y, samplerResult.getAccess());
// Render without sampler
gl.bindSampler(0, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(0, 0)");
render();
glu::readPixels(m_renderCtx, x, y, textureResult.getAccess());
gl.deleteSamplers(1, &sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteSamplers(1, &sampler)");
gl.deleteTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteTextures(1, &texture)");
}
tcu::TestCase::IterateResult TextureSamplerTest::iterate (void)
{
tcu::TestLog& log = m_testCtx.getLog();
tcu::Surface textureRef(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface samplerRef(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface textureResult(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface samplerResult(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
int x = m_random.getInt(0, m_renderCtx.getRenderTarget().getWidth() - VIEWPORT_WIDTH);
int y = m_random.getInt(0, m_renderCtx.getRenderTarget().getHeight() - VIEWPORT_HEIGHT);
renderReferences(textureRef, samplerRef, x, y);
renderResults(textureResult, samplerResult, x, y);
bool isOk = pixelThresholdCompare (log, "Sampler render result", "Result from rendering with sampler", samplerRef, samplerResult, tcu::RGBA(0, 0, 0, 0), tcu::COMPARE_LOG_RESULT);
if (!pixelThresholdCompare (log, "Texture render result", "Result from rendering with texture state", textureRef, textureResult, tcu::RGBA(0, 0, 0, 0), tcu::COMPARE_LOG_RESULT))
isOk = false;
if (!isOk)
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
return STOP;
}
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
return STOP;
}
MultiTextureSamplerTest::MultiTextureSamplerTest (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const TestSpec& spec)
: TestCase (testCtx, spec.name, spec.desc)
, m_renderCtx (renderCtx)
, m_program (NULL)
, m_target (spec.target)
, m_textureState1 (spec.textureState1)
, m_textureState2 (spec.textureState2)
, m_samplerState (spec.samplerState)
, m_random (deStringHash(spec.name))
{
}
void MultiTextureSamplerTest::setTextureState (const glw::Functions& gl, GLenum target, SamplingState state)
{
gl.texParameteri(target, GL_TEXTURE_MIN_FILTER, state.minFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_MIN_FILTER, state.minFilter)");
gl.texParameteri(target, GL_TEXTURE_MAG_FILTER, state.magFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_MAG_FILTER, state.magFilter)");
gl.texParameteri(target, GL_TEXTURE_WRAP_S, state.wrapS);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_S, state.wrapS)");
gl.texParameteri(target, GL_TEXTURE_WRAP_T, state.wrapT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_T, state.wrapT)");
gl.texParameteri(target, GL_TEXTURE_WRAP_R, state.wrapR);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameteri(target, GL_TEXTURE_WRAP_R, state.wrapR)");
gl.texParameterf(target, GL_TEXTURE_MAX_LOD, state.maxLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameterf(target, GL_TEXTURE_MAX_LOD, state.maxLod)");
gl.texParameterf(target, GL_TEXTURE_MIN_LOD, state.minLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexParameterf(target, GL_TEXTURE_MIN_LOD, state.minLod)");
}
void MultiTextureSamplerTest::setSamplerState (const glw::Functions& gl, SamplingState state, GLuint sampler)
{
gl.samplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, state.minFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, state.minFilter)");
gl.samplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, state.magFilter);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, state.magFilter)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_S, state.wrapS);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_S, state.wrapS)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_T, state.wrapT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_T, state.wrapT)");
gl.samplerParameteri(sampler, GL_TEXTURE_WRAP_R, state.wrapR);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameteri(sampler, GL_TEXTURE_WRAP_R, state.wrapR)");
gl.samplerParameterf(sampler, GL_TEXTURE_MAX_LOD, state.maxLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameterf(sampler, GL_TEXTURE_MAX_LOD, state.maxLod)");
gl.samplerParameterf(sampler, GL_TEXTURE_MIN_LOD, state.minLod);
GLU_EXPECT_NO_ERROR(gl.getError(), "glSamplerParameterf(sampler, GL_TEXTURE_MIN_LOD, state.minLod)");
}
const char* MultiTextureSamplerTest::selectVertexShader (GLenum target)
{
switch (target)
{
case GL_TEXTURE_2D:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec2 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position;\n"
"\tgl_Position = vec4(u_posScale * a_position, 0.0, 1.0);\n"
"}";
case GL_TEXTURE_3D:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec3 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec3 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position;\n"
"\tgl_Position = vec4(u_posScale * a_position.xy, 0.0, 1.0);\n"
"}";
case GL_TEXTURE_CUBE_MAP:
return
"${VTX_HDR}"
"${VTX_IN} ${HIGHP} vec4 a_position;\n"
"uniform ${HIGHP} float u_posScale;\n"
"${VTX_OUT} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\tv_texCoord = a_position.zw;\n"
"\tgl_Position = vec4(u_posScale * a_position.xy, 0.0, 1.0);\n"
"}";
default:
DE_ASSERT(false);
return NULL;
}
}
const char* MultiTextureSamplerTest::selectFragmentShader (GLenum target)
{
switch (target)
{
case GL_TEXTURE_2D:
return
"${FRAG_HDR}"
"uniform ${LOWP} sampler2D u_sampler1;\n"
"uniform ${LOWP} sampler2D u_sampler2;\n"
"${FRAG_IN} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = vec4(0.75, 0.75, 0.75, 1.0) * (texture(u_sampler1, v_texCoord) + texture(u_sampler2, v_texCoord));\n"
"}";
break;
case GL_TEXTURE_3D:
return
"${FRAG_HDR}"
"uniform ${LOWP} sampler3D u_sampler1;\n"
"uniform ${LOWP} sampler3D u_sampler2;\n"
"${FRAG_IN} ${MEDIUMP} vec3 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = vec4(0.75, 0.75, 0.75, 1.0) * (texture(u_sampler1, v_texCoord) + texture(u_sampler2, v_texCoord));\n"
"}";
case GL_TEXTURE_CUBE_MAP:
return
"${FRAG_HDR}"
"uniform ${LOWP} samplerCube u_sampler1;\n"
"uniform ${LOWP} samplerCube u_sampler2;\n"
"${FRAG_IN} ${MEDIUMP} vec2 v_texCoord;\n"
"void main (void)\n"
"{\n"
"\t${FRAG_COLOR} = vec4(0.5, 0.5, 0.5, 1.0) * (texture(u_sampler1, vec3(cos(3.14 * v_texCoord.y) * sin(3.14 * v_texCoord.x), sin(3.14 * v_texCoord.y), cos(3.14 * v_texCoord.y) * cos(3.14 * v_texCoord.x)))"
"+ texture(u_sampler2, vec3(cos(3.14 * v_texCoord.y) * sin(3.14 * v_texCoord.x), sin(3.14 * v_texCoord.y), cos(3.14 * v_texCoord.y) * cos(3.14 * v_texCoord.x))));\n"
"}";
default:
DE_ASSERT(false);
return NULL;
}
}
void MultiTextureSamplerTest::init (void)
{
const char* vertexShaderTemplate = selectVertexShader(m_target);
const char* fragmentShaderTemplate = selectFragmentShader(m_target);
std::map<std::string, std::string> params;
if (glu::isGLSLVersionSupported(m_renderCtx.getType(), glu::GLSL_VERSION_300_ES))
{
params["VTX_HDR"] = "#version 300 es\n";
params["FRAG_HDR"] = "#version 300 es\nlayout(location = 0) out mediump vec4 o_color;\n";
params["VTX_IN"] = "in";
params["VTX_OUT"] = "out";
params["FRAG_IN"] = "in";
params["FRAG_COLOR"] = "o_color";
params["HIGHP"] = "highp";
params["LOWP"] = "lowp";
params["MEDIUMP"] = "mediump";
}
else if (glu::isGLSLVersionSupported(m_renderCtx.getType(), glu::GLSL_VERSION_330))
{
params["VTX_HDR"] = "#version 330\n";
params["FRAG_HDR"] = "#version 330\nlayout(location = 0) out mediump vec4 o_color;\n";
params["VTX_IN"] = "in";
params["VTX_OUT"] = "out";
params["FRAG_IN"] = "in";
params["FRAG_COLOR"] = "o_color";
params["HIGHP"] = "highp";
params["LOWP"] = "lowp";
params["MEDIUMP"] = "mediump";
}
else
DE_ASSERT(false);
DE_ASSERT(!m_program);
m_program = new glu::ShaderProgram(m_renderCtx,
glu::makeVtxFragSources(tcu::StringTemplate(vertexShaderTemplate).specialize(params),
tcu::StringTemplate(fragmentShaderTemplate).specialize(params)));
if (!m_program->isOk())
{
tcu::TestLog& log = m_testCtx.getLog();
log << *m_program;
TCU_FAIL("Failed to compile shaders");
}
}
void MultiTextureSamplerTest::deinit (void)
{
delete m_program;
m_program = NULL;
}
MultiTextureSamplerTest::~MultiTextureSamplerTest (void)
{
deinit();
}
void MultiTextureSamplerTest::render (void)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint samplerLoc1 = (GLuint)-1;
GLuint samplerLoc2 = (GLuint)-1;
GLuint scaleLoc = (GLuint)-1;
gl.useProgram(m_program->getProgram());
GLU_EXPECT_NO_ERROR(gl.getError(), "glUseProgram(m_program->getProgram())");
samplerLoc1 = glGetUniformLocation(m_program->getProgram(), "u_sampler1");
TCU_CHECK(samplerLoc1 != (GLuint)-1);
samplerLoc2 = glGetUniformLocation(m_program->getProgram(), "u_sampler2");
TCU_CHECK(samplerLoc2 != (GLuint)-1);
scaleLoc = glGetUniformLocation(m_program->getProgram(), "u_posScale");
TCU_CHECK(scaleLoc != (GLuint)-1);
gl.clearColor(0.5f, 0.5f, 0.5f, 1.0f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glClearColor(0.5f, 0.5f, 0.5f, 1.0f)");
gl.clear(GL_COLOR_BUFFER_BIT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glClear(GL_COLOR_BUFFER_BIT)");
gl.uniform1i(samplerLoc1, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1i(samplerLoc1, 0)");
gl.uniform1i(samplerLoc2, 1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1i(samplerLoc2, 1)");
gl.uniform1f(scaleLoc, 1.0f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 1.0f)");
switch (m_target)
{
case GL_TEXTURE_2D:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 2, 6, 0, s_positions))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
case GL_TEXTURE_3D:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 3, 6, 0, s_positions3D))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
case GL_TEXTURE_CUBE_MAP:
{
glu::VertexArrayBinding vertexArrays[] =
{
glu::VertexArrayBinding(glu::BindingPoint("a_position"), glu::VertexArrayPointer(glu::VTX_COMP_FLOAT, glu::VTX_COMP_CONVERT_NONE, 4, 6, 0, s_positionsCube))
};
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
gl.uniform1f(scaleLoc, 0.25f);
GLU_EXPECT_NO_ERROR(gl.getError(), "glUniform1f(scaleLoc, 0.25f)");
glu::draw(m_renderCtx, m_program->getProgram(), DE_LENGTH_OF_ARRAY(vertexArrays), vertexArrays, glu::PrimitiveList(glu::PRIMITIVETYPE_TRIANGLES, 6));
break;
}
default:
DE_ASSERT(false);
}
}
GLuint MultiTextureSamplerTest::createTexture2D (const glw::Functions& gl, int id)
{
GLuint texture = (GLuint)-1;
tcu::Texture2D refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), TEXTURE2D_WIDTH, TEXTURE2D_HEIGHT);
refTexture.allocLevel(0);
gl.genTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures(1, &texture)");
switch (id)
{
case 0:
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.5f, 0.5f));
break;
case 1:
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 1.0f, 1.0f));
break;
default:
DE_ASSERT(false);
}
gl.bindTexture(GL_TEXTURE_2D, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_2D, texture)");
gl.texImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr());
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr())");
gl.generateMipmap(GL_TEXTURE_2D);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_2D)");
gl.bindTexture(GL_TEXTURE_2D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_2D, 0)");
return texture;
}
GLuint MultiTextureSamplerTest::createTexture3D (const glw::Functions& gl, int id)
{
GLuint texture = (GLuint)-1;
tcu::Texture3D refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), TEXTURE3D_WIDTH, TEXTURE3D_HEIGHT, TEXTURE3D_DEPTH);
refTexture.allocLevel(0);
gl.genTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures(1, &texture)");
switch (id)
{
case 0:
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 0.5f, 0.5f));
break;
case 1:
tcu::fillWithComponentGradients(refTexture.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 1.0f, 1.0f));
break;
default:
DE_ASSERT(false);
}
gl.bindTexture(GL_TEXTURE_3D, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_3D, texture)");
gl.texImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), refTexture.getDepth(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr());
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA8, refTexture.getWidth(), refTexture.getHeight(), refTexture.getDepth(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevel(0).getDataPtr())");
gl.generateMipmap(GL_TEXTURE_3D);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_3D)");
gl.bindTexture(GL_TEXTURE_3D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_3D, 0)");
return texture;
}
GLuint MultiTextureSamplerTest::createTextureCube (const glw::Functions& gl, int id)
{
GLuint texture = (GLuint)-1;
tcu::TextureCube refTexture (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), CUBEMAP_SIZE);
gl.genTextures(1, &texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenTextures(1, &texture)");
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_X, 0);
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_Y, 0);
refTexture.allocLevel(tcu::CUBEFACE_POSITIVE_Z, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_X, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_Y, 0);
refTexture.allocLevel(tcu::CUBEFACE_NEGATIVE_Z, 0);
switch (id)
{
case 0:
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Y), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Z), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_X), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Y), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Z), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f));
break;
case 1:
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Y), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_Z), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_X), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Y), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
tcu::fillWithComponentGradients(refTexture.getLevelFace(0, tcu::CUBEFACE_NEGATIVE_Z), tcu::Vec4(0.5f, 0.5f, 0.5f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
break;
default:
DE_ASSERT(false);
}
gl.bindTexture(GL_TEXTURE_CUBE_MAP, texture);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_CUBE_MAP, texture)");
for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
{
const deUint32 target = glu::getGLCubeFace((tcu::CubeFace)face);
gl.texImage2D(target, 0, GL_RGBA8, refTexture.getSize(), refTexture.getSize(), 0, GL_RGBA, GL_UNSIGNED_BYTE, refTexture.getLevelFace(0, (tcu::CubeFace)face).getDataPtr());
}
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D(GL_TEXTURE_CUBE_MAP_...) failed");
gl.generateMipmap(GL_TEXTURE_CUBE_MAP);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenerateMipmap(GL_TEXTURE_CUBE_MAP)");
gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(GL_TEXTURE_CUBE_MAP, 0)");
return texture;
}
GLuint MultiTextureSamplerTest::createTexture (const glw::Functions& gl, GLenum target, int id)
{
switch (target)
{
case GL_TEXTURE_2D:
return createTexture2D(gl, id);
case GL_TEXTURE_3D:
return createTexture3D(gl, id);
case GL_TEXTURE_CUBE_MAP:
return createTextureCube(gl, id);
default:
DE_ASSERT(false);
return (GLuint)-1;
}
}
void MultiTextureSamplerTest::renderReferences (tcu::Surface& textureRef, tcu::Surface& samplerRef, int x, int y)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint texture1 = createTexture(gl, m_target, 0);
GLuint texture2 = createTexture(gl, m_target, 1);
gl.viewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glViewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT)");
// Generate texture rendering reference
gl.activeTexture(GL_TEXTURE0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE0)");
gl.bindTexture(m_target, texture1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture1)");
setTextureState(gl, m_target, m_textureState1);
gl.activeTexture(GL_TEXTURE1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE1)");
gl.bindTexture(m_target, texture2);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture2)");
setTextureState(gl, m_target, m_textureState2);
render();
glu::readPixels(m_renderCtx, x, y, textureRef.getAccess());
// Generate sampler rendering reference
gl.activeTexture(GL_TEXTURE0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE0)");
gl.bindTexture(m_target, texture1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture1)");
setTextureState(gl, m_target, m_samplerState);
gl.activeTexture(GL_TEXTURE1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE1)");
gl.bindTexture(m_target, texture2);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture2)");
setTextureState(gl, m_target, m_samplerState);
render();
glu::readPixels(m_renderCtx, x, y, samplerRef.getAccess());
}
void MultiTextureSamplerTest::renderResults (tcu::Surface& textureResult, tcu::Surface& samplerResult, int x, int y)
{
const glw::Functions& gl = m_renderCtx.getFunctions();
GLuint texture1 = createTexture(gl, m_target, 0);
GLuint texture2 = createTexture(gl, m_target, 1);
GLuint sampler = -1;
gl.viewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
GLU_EXPECT_NO_ERROR(gl.getError(), "glViewport(x, y, VIEWPORT_WIDTH, VIEWPORT_HEIGHT)");
gl.genSamplers(1, &sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glGenSamplers(1, &sampler)");
TCU_CHECK(sampler != (GLuint)-1);
gl.bindSampler(0, sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(0, sampler)");
gl.bindSampler(1, sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(1, sampler)");
// First set sampler state
setSamplerState(gl, m_samplerState, sampler);
// Set texture state
gl.bindTexture(m_target, texture1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture1)");
setTextureState(gl, m_target, m_textureState1);
gl.bindTexture(m_target, texture2);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture2)");
setTextureState(gl, m_target, m_textureState2);
gl.activeTexture(GL_TEXTURE0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE0)");
gl.bindTexture(m_target, texture1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture1)");
gl.activeTexture(GL_TEXTURE1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE1)");
gl.bindTexture(m_target, texture2);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, texture2)");
// Render using sampler
render();
glu::readPixels(m_renderCtx, x, y, samplerResult.getAccess());
gl.bindSampler(0, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(0, 0)");
gl.bindSampler(1, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindSampler(1, 0)");
render();
glu::readPixels(m_renderCtx, x, y, textureResult.getAccess());
gl.activeTexture(GL_TEXTURE0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE0)");
gl.bindTexture(m_target, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, 0)");
gl.activeTexture(GL_TEXTURE1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glActiveTexture(GL_TEXTURE1)");
gl.bindTexture(m_target, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture(m_target, 0)");
gl.deleteSamplers(1, &sampler);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteSamplers(1, &sampler)");
gl.deleteTextures(1, &texture1);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteTextures(1, &texture1)");
gl.deleteTextures(1, &texture2);
GLU_EXPECT_NO_ERROR(gl.getError(), "glDeleteTextures(1, &texture2)");
}
tcu::TestCase::IterateResult MultiTextureSamplerTest::iterate (void)
{
tcu::TestLog& log = m_testCtx.getLog();
tcu::Surface textureRef(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface samplerRef(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface textureResult(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
tcu::Surface samplerResult(VIEWPORT_WIDTH, VIEWPORT_HEIGHT);
int x = m_random.getInt(0, m_renderCtx.getRenderTarget().getWidth() - VIEWPORT_WIDTH);
int y = m_random.getInt(0, m_renderCtx.getRenderTarget().getHeight() - VIEWPORT_HEIGHT);
renderReferences(textureRef, samplerRef, x, y);
renderResults(textureResult, samplerResult, x, y);
bool isOk = pixelThresholdCompare (log, "Sampler render result", "Result from rendering with sampler", samplerRef, samplerResult, tcu::RGBA(0, 0, 0, 0), tcu::COMPARE_LOG_RESULT);
if (!pixelThresholdCompare (log, "Texture render result", "Result from rendering with texture state", textureRef, textureResult, tcu::RGBA(0, 0, 0, 0), tcu::COMPARE_LOG_RESULT))
isOk = false;
if (!isOk)
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
return STOP;
}
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
return STOP;
}
} // gls
} // deqp