//[-------------------------------------------------------]
//[ Public methods ]
//[-------------------------------------------------------]
TextureBufferDsa::TextureBufferDsa(OpenGLRenderer &openGLRenderer, uint32_t numberOfBytes, Renderer::TextureFormat::Enum textureFormat, const void *data, Renderer::BufferUsage bufferUsage) :
TextureBuffer(openGLRenderer)
{
if (openGLRenderer.getExtensions().isGL_ARB_direct_state_access())
{
{ // Buffer part
// Create the OpenGL texture buffer
glCreateBuffers(1, &mOpenGLTextureBuffer);
// Upload the data
// -> Usage: These constants directly map to "GL_ARB_vertex_buffer_object" and OpenGL ES 2 constants, do not change them
glNamedBufferData(mOpenGLTextureBuffer, static_cast<GLsizeiptr>(numberOfBytes), data, static_cast<GLenum>(bufferUsage));
}
{ // Texture part
// Create the OpenGL texture instance
glCreateTextures(GL_TEXTURE_BUFFER_ARB, 1, &mOpenGLTexture);
// Attach the storage for the buffer object to the buffer texture
glTextureBuffer(mOpenGLTexture, Mapping::getOpenGLInternalFormat(textureFormat), mOpenGLTextureBuffer);
}
}
else
{
// Create the OpenGL texture buffer
glGenBuffersARB(1, &mOpenGLTextureBuffer);
// Create the OpenGL texture instance
glGenTextures(1, &mOpenGLTexture);
// Buffer part
// -> Upload the data
// -> Usage: These constants directly map to "GL_ARB_vertex_buffer_object" and OpenGL ES 2 constants, do not change them
glNamedBufferDataEXT(mOpenGLTextureBuffer, static_cast<GLsizeiptr>(numberOfBytes), data, static_cast<GLenum>(bufferUsage));
{ // Texture part
#ifndef OPENGLRENDERER_NO_STATE_CLEANUP
// Backup the currently bound OpenGL texture
GLint openGLTextureBackup = 0;
glGetIntegerv(GL_TEXTURE_BINDING_BUFFER_ARB, &openGLTextureBackup);
#endif
// Make this OpenGL texture instance to the currently used one
glBindTexture(GL_TEXTURE_BUFFER_ARB, mOpenGLTexture);
// Attaches the storage for the buffer object to the active buffer texture
// -> Sadly, there's no direct state access (DSA) function defined for this in "GL_EXT_direct_state_access"
glTexBufferARB(GL_TEXTURE_BUFFER_ARB, Mapping::getOpenGLInternalFormat(textureFormat), mOpenGLTextureBuffer);
#ifndef OPENGLRENDERER_NO_STATE_CLEANUP
// Be polite and restore the previous bound OpenGL texture
glBindTexture(GL_TEXTURE_BUFFER_ARB, static_cast<GLuint>(openGLTextureBackup));
#endif
}
}
}
bool initTexture()
{
bool Validated(true);
gli::gl GL;
gli::texture2d Texture(gli::load_dds((getDataDirectory() + TEXTURE_DIFFUSE).c_str()));
gli::gl::format const Format = GL.translate(Texture.format());
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glCreateTextures(GL_TEXTURE_2D_ARRAY, 1, &TextureName);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
glTextureParameteri(TextureName, GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName, GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(Texture.levels() - 1));
glTextureParameteri(TextureName, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTextureParameteri(TextureName, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureStorage3D(TextureName, static_cast<GLint>(Texture.levels()),
Format.Internal,
static_cast<GLsizei>(Texture[0].extent().x), static_cast<GLsizei>(Texture[0].extent().y), static_cast<GLsizei>(1));
for(gli::texture2d::size_type Level = 0; Level < Texture.levels(); ++Level)
{
glTextureSubImage3D(TextureName, static_cast<GLint>(Level),
0, 0, 0,
static_cast<GLsizei>(Texture[Level].extent().x), static_cast<GLsizei>(Texture[Level].extent().y), static_cast<GLsizei>(1),
Format.External, Format.Type,
Texture[Level].data());
}
return Validated;
}
bool initTexture()
{
gli::texture2d Texture(gli::load(getDataDirectory() + TEXTURE_DIFFUSE));
if(Texture.empty())
return 0;
gli::gl GL(gli::gl::PROFILE_GL33);
gli::gl::format const Format = GL.translate(Texture.format(), Texture.swizzles());
GLenum const Target = GL.translate(Texture.target());
glm::tvec2<GLsizei> const Dimensions(Texture.extent());
glCreateTextures(GL_TEXTURE_2D, 1, &TextureName[texture::TEXTURE]);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(Texture.levels() - 1));
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_SWIZZLE_R, Format.Swizzles[0]);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_SWIZZLE_G, Format.Swizzles[1]);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_SWIZZLE_B, Format.Swizzles[2]);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_SWIZZLE_A, Format.Swizzles[3]);
glTextureStorage2D(TextureName[texture::TEXTURE],
static_cast<GLint>(Texture.levels()), Format.Internal,
Dimensions.x, Texture.target() == gli::TARGET_2D ? Dimensions.y : static_cast<GLsizei>(Texture.layers() * Texture.faces()));
for(gli::texture2d::size_type Level = 0; Level < Texture.levels(); ++Level)
{
glTextureSubImage2D(TextureName[texture::TEXTURE], static_cast<GLint>(Level),
0, 0,
static_cast<GLsizei>(Texture[Level].extent().x), static_cast<GLsizei>(Texture[Level].extent().y),
Format.External, Format.Type,
Texture[Level].data());
}
glCreateTextures(GL_TEXTURE_2D_MULTISAMPLE, 1, &TextureName[texture::MULTISAMPLE]);
glTextureParameteri(TextureName[texture::MULTISAMPLE], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::MULTISAMPLE], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2DMultisample(TextureName[texture::MULTISAMPLE], 4, GL_RGBA8, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y, GL_FALSE);
glCreateTextures(GL_TEXTURE_2D, 1, &TextureName[texture::COLORBUFFER]);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2D(TextureName[texture::COLORBUFFER], 1, GL_RGBA8, GLsizei(FRAMEBUFFER_SIZE.x), GLsizei(FRAMEBUFFER_SIZE.y));
return true;
}
kit::Texture::Texture(Type t)
{
#ifndef KIT_SHITTY_INTEL
glCreateTextures(t, 1, &m_glHandle);
#else
glGenTextures(1, &m_glHandle);
#endif
m_type = t;
}
enum piglit_result
piglit_display(void)
{
bool pass = true;
GLuint name;
/* Throw some invalid inputs at glCreateTextures. */
/* Invalid (not a target) */
glCreateTextures(GL_INVALID_ENUM, 1, &name);
pass &= piglit_check_gl_error(GL_INVALID_ENUM);
/* Invalid (not supported) target */
glCreateTextures(GL_PROXY_TEXTURE_2D, 1, &name);
pass &= piglit_check_gl_error(GL_INVALID_ENUM);
/* n is negative */
glCreateTextures(GL_TEXTURE_2D, -1, &name);
pass &= piglit_check_gl_error(GL_INVALID_VALUE);
/* name is not a valid pointer */
glCreateTextures(GL_TEXTURE_2D, 1, 0);
pass &= piglit_check_gl_error(GL_NO_ERROR);
glCreateTextures(GL_TEXTURE_2D, 1, NULL);
pass &= piglit_check_gl_error(GL_NO_ERROR);
/* Trivial, but should work. */
glCreateTextures(GL_TEXTURE_2D, 1, &name);
pass &= piglit_check_gl_error(GL_NO_ERROR);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
/* GL_INVALID_OPERATION is generated if the effective target is either
* GL_TEXTURE_2D_MULTISAMPLE or GL_TEXTURE_2D_MULTISAMPLE_ARRAY, and pname
* GL_TEXTURE_BASE_LEVEL is set to a value other than zero.
*/
static bool
test_multisample_texture_base(void)
{
bool pass = true;
GLuint name;
glCreateTextures(GL_TEXTURE_2D_MULTISAMPLE, 1, &name);
glBindTextureUnit(0, name); /* Since next command isn't bindless. */
glTextureParameteri(name, GL_TEXTURE_BASE_LEVEL, 1);
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
glCreateTextures(GL_TEXTURE_2D_MULTISAMPLE_ARRAY, 1, &name);
glBindTextureUnit(0, name); /* Since next command isn't bindless. */
glTextureParameteri(name, GL_TEXTURE_BASE_LEVEL, 1);
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
"glTextureParameter: GL_INVALID_OPERATION "
"for multisample+texture_base");
return pass;
}
enum piglit_result
piglit_display(void)
{
bool pass = true;
GLuint name = 3;
GLint nunits;
/* Throw some invalid inputs at BindTextureUnit. */
/* Section 8.1. of the OpenGL 4.5 Core Profile spec says:
*
* "An INVALID_OPERATION error is generated by BindTextureUnit if
* texture is not zero or the name of an existing texture object."
*/
/* Texture name doesn't exist */
glBindTextureUnit(0, name);
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
/* Texture name exists, but texture object does not */
glGenTextures(1, &name);
glBindTextureUnit(0, name);
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
/* Section 8.1. of the OpenGL 4.5 Core Profile spec says for
* BindTextures:
*
* "An INVALID_OPERATION error is generated if first + count is
* greater than the number of texture image units supported by the
* implementation."
*
* However, it doesn't say the same about BindTextureUnit. Table 2.3
* implies that a numeric argument out of range yields INVALID_VALUE,
* not INVALID_OPERATION.
*/
/* Texture unit doesn't exist */
glDeleteTextures(1, &name);
glCreateTextures(GL_TEXTURE_2D, 1, &name);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &nunits);
glBindTextureUnit(nunits, name); /* Too High */
pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
/* Trivial, but should work. */
glBindTextureUnit(1, name);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
bool initTexture()
{
gli::texture2d Texture(gli::load_dds((getDataDirectory() + TEXTURE_DIFFUSE).c_str()));
if(Texture.empty())
return false;
gli::gl GL;
gli::gl::format const Format = GL.translate(Texture.format());
glCreateTextures(GL_TEXTURE_2D, 1, &TextureName[texture::TEXTURE]);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(Texture.levels() - 1));
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(TextureName[texture::TEXTURE], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureStorage2D(TextureName[texture::TEXTURE], GLint(Texture.levels()), Format.Internal, GLsizei(Texture[0].extent().x), GLsizei(Texture[0].extent().y));
for(std::size_t Level = 0; Level < Texture.levels(); ++Level)
{
glTextureSubImage2D(TextureName[texture::TEXTURE], GLint(Level),
0, 0,
GLsizei(Texture[Level].extent().x), GLsizei(Texture[Level].extent().y),
Format.External, Format.Type,
Texture[Level].data());
}
glCreateTextures(GL_TEXTURE_2D_MULTISAMPLE, 1, &TextureName[texture::MULTISAMPLE]);
glTextureParameteri(TextureName[texture::MULTISAMPLE], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::MULTISAMPLE], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2DMultisample(TextureName[texture::MULTISAMPLE], 4, GL_RGBA8, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y, GL_FALSE);
glCreateTextures(GL_TEXTURE_2D, 1, &TextureName[texture::COLORBUFFER]);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2D(TextureName[texture::COLORBUFFER], 1, GL_RGBA8, GLsizei(FRAMEBUFFER_SIZE.x), GLsizei(FRAMEBUFFER_SIZE.y));
return true;
}
kit::Texture::Texture(Type t)
{
KIT_GL(glCreateTextures(t, 1, &this->m_glHandle));
this->m_arraySize = 0;
this->m_edgeSamplingModeS = kit::Texture::Repeat;
this->m_edgeSamplingModeT = kit::Texture::Repeat;
this->m_edgeSamplingModeR = kit::Texture::Repeat;
this->m_internalFormat = RGBA8;
this->m_magFilteringMode = kit::Texture::Linear;
this->m_minFilteringMode = kit::Texture::LinearMipmapLinear;
this->m_resolution = glm::uvec3(0, 0, 0);
this->m_type = t;
this->m_anisotropicLevel = 8.0f;
}
bool initTexture()
{
gli::texture2d Texture(gli::load_dds((getDataDirectory() + TEXTURE_DIFFUSE).c_str()));
assert(!Texture.empty());
glm::uvec2 FramebufferSize(this->getWindowSize() / 16u);
glCreateTextures(GL_TEXTURE_2D_ARRAY, texture::MAX, &TextureName[0]);
glTextureParameteri(TextureName[0], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[0], GL_TEXTURE_MAX_LEVEL, 0);
glTextureParameteri(TextureName[0], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(TextureName[0], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureStorage3D(TextureName[0], GLint(1), GL_RGBA8, GLsizei(FramebufferSize.x), GLsizei(FramebufferSize.y), 1);
return true;
}
/* GL_INVALID_OPERATION is generated if the effective target is
* GL_TEXTURE_RECTANGLE and pname GL_TEXTURE_BASE_LEVEL is set to any value
* other than zero.
*/
static bool
test_texture_rec_texture_base(void)
{
bool pass = true;
GLuint name;
glCreateTextures(GL_TEXTURE_RECTANGLE, 1, &name);
glBindTextureUnit(0, name); /* Since next command isn't bindless. */
glTextureParameteri(name, GL_TEXTURE_BASE_LEVEL, 1);
pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
"glTextureParameter: GL_INVALID_OPERATION "
"for texture_rectangle+min_filter");
return pass;
}
bool initTexture()
{
bool Validated(true);
gli::gl GL(gli::gl::PROFILE_GL33);
gli::texture2d Texture(gli::load_dds((getDataDirectory() + TEXTURE_DIFFUSE).c_str()));
assert(!Texture.empty());
gli::gl::format const Format = GL.translate(Texture.format(), Texture.swizzles());
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glCreateTextures(GL_TEXTURE_2D, texture::MAX, &TextureName[0]);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_MAX_LEVEL, GLint(Texture.levels() - 1));
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_SWIZZLE_R, GL_RED);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
glTextureParameteri(TextureName[texture::DIFFUSE], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureStorage2D(TextureName[texture::DIFFUSE], static_cast<GLint>(Texture.levels()), Format.Internal,
static_cast<GLsizei>(Texture.extent().x), static_cast<GLsizei>(Texture.extent().y));
for(std::size_t Level = 0; Level < Texture.levels(); ++Level)
{
glTextureSubImage2D(TextureName[texture::DIFFUSE], static_cast<GLint>(Level),
0, 0,
static_cast<GLsizei>(Texture[Level].extent().x), static_cast<GLsizei>(Texture[Level].extent().y),
Format.External, Format.Type,
Texture[Level].data());
}
glm::ivec2 WindowSize(this->getWindowSize());
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAX_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureStorage2D(TextureName[texture::COLORBUFFER], static_cast<GLint>(1), GL_RGBA8,
static_cast<GLsizei>(WindowSize.x * this->Supersampling), static_cast<GLsizei>(WindowSize.y * this->Supersampling));
return Validated;
}
void
piglit_init(int argc, char **argv)
{
int i;
piglit_require_extension("GL_ARB_direct_state_access");
piglit_require_extension("GL_ARB_texture_storage");
for(i = 0; i < 4096; ++i)
data[i] = rand() & 0xff;
glCreateTextures(GL_TEXTURE_2D, 1, &name);
glTextureParameteri(name, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureParameteri(name, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTextureStorage2D(name, 1, GL_RGBA8, 64, 16);
glTextureSubImage2D(name, 0, 0, 0, 64, 16, GL_RGBA, GL_UNSIGNED_BYTE,
data);
piglit_gen_ortho_projection(0.0, 1.0, 0.0, 1.0, -2.0, 6.0, GL_FALSE);
}
static bool
test_immutablity(GLenum target)
{
GLuint tex;
GLint level;
GLint immutable_format;
bool pass = true;
glCreateTextures(target, 1, &tex);
glBindTextureUnit(0, tex);
glTextureStorage2D(tex, 3, GL_RGBA8, 256, 256);
glTextureParameteri(tex, GL_TEXTURE_MAX_LEVEL, 4);
glGetTextureParameteriv(tex, GL_TEXTURE_MAX_LEVEL, &level);
glGetTextureParameteriv(tex, GL_TEXTURE_IMMUTABLE_FORMAT,
&immutable_format);
if (immutable_format != GL_TRUE) {
printf("%s: GL_TEXTURE_IMMUTABLE_FORMAT was not set to "
"GL_TRUE after glTextureStorage2D\n", TestName);
pass = false;
}
if (level != 2) {
/* The ARB_texture_storage spec says:
*
* "However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then
* level_base is clamped to the range [0, <levels> - 1]
* and level_max is then clamped to the range [level_base,
* <levels> - 1], where <levels> is the parameter passed
* the call to TexStorage* for the texture object"
*/
printf("%s: GL_TEXTURE_MAX_LEVEL changed to %d, which is "
"outside the clamp range for immutables\n",
TestName, level);
pass = false;
}
/* Other immutable tests happen per-format above */
glDeleteTextures(1, &tex);
return pass;
}
GLuint LoadTexture(WORD resourceId)
{
HRSRC hrsrc = FindResource(
nullptr, MAKEINTRESOURCE(resourceId), RT_BITMAP);
HGLOBAL hglobal = LoadResource(nullptr, hrsrc);
const GLbyte *data = static_cast<const GLbyte *>(LockResource(hglobal));
const int width = *reinterpret_cast<const int *>(data + 4);
const int height = *reinterpret_cast<const int *>(data + 8);
GLuint texture;
glCreateTextures(GL_TEXTURE_2D, 1, &texture);
glTextureStorage2D(texture, 1, GL_RGB8, width, height);
glTextureSubImage2D(texture, 0, 0, 0, width, height, GL_BGR, GL_UNSIGNED_BYTE, data + 40);
glTextureParameteri(texture, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureParameteri(texture, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
return texture;
}
/* GL_INVALID_VALUE is generated if pname is GL_TEXTURE_BASE_LEVEL or
* GL_TEXTURE_MAX_LEVEL, and param or params is negative.
*/
static bool
test_texture_level_negative(void)
{
bool pass = true;
GLuint name;
glCreateTextures(GL_TEXTURE_2D, 1, &name);
glBindTextureUnit(0, name); /* Since next command isn't bindless. */
glTextureParameteri(name, GL_TEXTURE_BASE_LEVEL, -1);
pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
glTextureParameteri(name, GL_TEXTURE_MAX_LEVEL, -1);
pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
"glTextureParameter: GL_INVALID_VALUE for "
"negative tex_*_level");
return pass;
}
bool initTexture()
{
bool Validated(true);
gli::gl GL(gli::gl::PROFILE_GL33);
gli::texture2d Texture(gli::load_dds((getDataDirectory() + TEXTURE_DIFFUSE).c_str()));
assert(!Texture.empty());
gli::gl::format const Format = GL.translate(Texture.format(), Texture.swizzles());
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glCreateTextures(GL_TEXTURE_2D_ARRAY, 1, &TextureName);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_R, Format.Swizzles[0]);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_G, Format.Swizzles[1]);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_B, Format.Swizzles[2]);
glTextureParameteri(TextureName, GL_TEXTURE_SWIZZLE_A, Format.Swizzles[3]);
glTextureParameteri(TextureName, GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName, GL_TEXTURE_MAX_LEVEL, GLint(Texture.levels() - 1));
glTextureParameteri(TextureName, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTextureParameteri(TextureName, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureStorage3D(TextureName, static_cast<GLint>(Texture.levels()), Format.Internal,
static_cast<GLsizei>(Texture.extent().x), static_cast<GLsizei>(Texture.extent().y), 1);
for(gli::texture2d::size_type Level(0); Level < Texture.levels(); ++Level)
{
glTextureSubImage3D(TextureName, static_cast<GLint>(Level),
0, 0, 0,
static_cast<GLsizei>(Texture[Level].extent().x), static_cast<GLsizei>(Texture[Level].extent().y), 1,
Format.External, Format.Type,
Texture[Level].data());
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
// Query the texture handle and make the texture resident
TextureHandle = glGetTextureHandleNV(TextureName);
glMakeTextureHandleResidentNV(TextureHandle);
return Validated;
}
GLuint glCreateTextureGTC(GLenum target, GLsizei layers, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLsizei samples, GLboolean fixedsamplelocations)
{
GLuint texture = 0;
glCreateTextures(target, 1, &texture);
glTextureParameteri(texture, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(texture, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
switch (target)
{
case GL_TEXTURE_2D:
assert(layers == 1 && width >= 1 && height >= 1 && depth == 1 && samples == 1 && fixedsamplelocations == GL_TRUE);
glTextureStorage2D(texture, levels, internalformat, width, height);
break;
case GL_TEXTURE_2D_ARRAY:
assert(layers >= 1 && width >= 1 && height >= 1 && depth == 1 && samples == 1 && fixedsamplelocations == GL_TRUE);
glTextureStorage3D(texture, levels, internalformat, width, height, layers);
break;
case GL_TEXTURE_2D_MULTISAMPLE:
assert(layers == 1 && width >= 1 && height >= 1 && depth == 1 && samples >= 1);
glTextureStorage2DMultisample(texture, samples, internalformat, width, height, fixedsamplelocations);
break;
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
assert(layers >= 1 && width >= 1 && height >= 1 && depth == 1 && samples >= 1);
glTextureStorage3DMultisample(texture, samples, internalformat, width, height, layers, fixedsamplelocations);
break;
case GL_TEXTURE_3D:
assert(layers == 1 && width >= 1 && height >= 1 && depth >= 1 && samples == 1 && fixedsamplelocations == GL_TRUE);
glTextureStorage3D(texture, levels, internalformat, width, height, depth);
break;
case GL_TEXTURE_CUBE_MAP:
assert(layers == 1 && width >= 1 && height >= 1 && depth == 1 && samples == 1 && fixedsamplelocations == GL_TRUE);
glTextureStorage2D(texture, levels, internalformat, width, height);
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
assert(layers >= 1 && width >= 1 && height >= 1 && depth == 1 && samples == 1 && fixedsamplelocations == GL_TRUE);
glTextureStorage3D(texture, levels, internalformat, width, height, layers * 6);
break;
}
return texture;
}
static int glnvg__renderCreateTexture(void* uptr, int type, int w, int h, int imageFlags, const unsigned char* data)
{
GLNVGcontext* gl = (GLNVGcontext*)uptr;
GLNVGtexture* tex = glnvg__allocTexture(gl);
if (tex == NULL) return 0;
const bool formatRGBA8 = type == NVG_TEXTURE_RGBA;
const bool useMipmaps = (imageFlags & NVG_IMAGE_GENERATE_MIPMAPS) != 0;
glCreateTextures(GL_TEXTURE_2D, 1, &tex->tex);
const uint32_t mipCount = useMipmaps ? bit_fls(core::max<uint32_t>(w, h)) : 1;
glTextureStorage2D(tex->tex, mipCount, formatRGBA8 ? GL_RGBA8 : GL_R8, w, h);
tex->width = w;
tex->height = h;
tex->type = type;
if (data)
{
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_UNPACK_ROW_LENGTH, tex->width);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
glTextureSubImage2D(tex->tex, 0, 0, 0, w, h, formatRGBA8 ? GL_RGBA : GL_RED, GL_UNSIGNED_BYTE, data);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
// The new way to build mipmaps on GLES and GL3
if (useMipmaps) {
glGenerateTextureMipmap(tex->tex);
}
}
glTextureParameteri(tex->tex, GL_TEXTURE_MIN_FILTER, useMipmaps ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
glTextureParameteri(tex->tex, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
return tex->id;
}
/* GL_INVALID_ENUM is generated if glTextureParamter{if} is called for a
* non-scalar parameter
*/
static bool
test_scalar_vector(void)
{
bool pass = true;
const static GLfloat f = 1.0;
const static GLint i = -1;
GLuint name;
/* Setup dsa. */
glCreateTextures(GL_TEXTURE_2D, 1, &name);
glBindTextureUnit(0, name); /* Since next command isn't bindless. */
glTextureParameteri(name, GL_TEXTURE_BORDER_COLOR, i);
pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
glTextureParameterf(name, GL_TEXTURE_BORDER_COLOR, f);
pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
"glTextureParameter{if}: GL_INVALID_ENUM "
"for non-scalars");
return pass;
}
Texture::Texture(const GLenum type, const GLvoid* data, const uint_fast32_t width, const uint_fast32_t height, const GLenum data_type)
{
glCreateTextures(type, 1, &name);
glBindTexture(type, name);
glTexImage2D(
type,
0, // level
GL_RED, // internal format
width,
height,
0,
GL_RED, // format
data_type,
data
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
inited = true;
}
bool initTexture()
{
glCreateTextures(GL_TEXTURE_2D, texture::MAX, &TextureName[0]);
glm::vec2 const FramwbufferSize = glm::vec2(this->getWindowSize()) * FRAMEBUFFER_SCALE;
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAX_LEVEL, 0);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTextureParameteri(TextureName[texture::COLORBUFFER], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTextureStorage2D(TextureName[texture::COLORBUFFER], GLint(1), GL_RGBA8, GLsizei(FramwbufferSize.x), GLsizei(FramwbufferSize.y));
glTextureParameteri(TextureName[texture::RENDERBUFFER], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::RENDERBUFFER], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2D(TextureName[texture::RENDERBUFFER], GLint(1), GL_DEPTH_COMPONENT24, GLsizei(FramwbufferSize.x), GLsizei(FramwbufferSize.y));
glTextureParameteri(TextureName[texture::INVOCATION_COUNT], GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(TextureName[texture::INVOCATION_COUNT], GL_TEXTURE_MAX_LEVEL, 0);
glTextureStorage2D(TextureName[texture::INVOCATION_COUNT], GLint(1), GL_R32UI, GLsizei(FramwbufferSize.x), GLsizei(FramwbufferSize.y));
return true;
}
GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
: m_pbo_size(0), m_clean(false), m_local_buffer(NULL), m_r_x(0), m_r_y(0), m_r_w(0), m_r_h(0)
{
// OpenGL didn't like dimensions of size 0
m_size.x = max(1,w);
m_size.y = max(1,h);
m_format = format;
m_type = type;
m_fbo_read = fbo_read;
m_texture_id = 0;
// Bunch of constant parameter
switch (m_format) {
// 1 Channel integer
case GL_R32UI:
case GL_R32I:
m_int_format = GL_RED_INTEGER;
m_int_type = (m_format == GL_R32UI) ? GL_UNSIGNED_INT : GL_INT;
m_int_shift = 2;
break;
case GL_R16UI:
m_int_format = GL_RED_INTEGER;
m_int_type = GL_UNSIGNED_SHORT;
m_int_shift = 1;
break;
// 1 Channel normalized
case GL_R8:
m_int_format = GL_RED;
m_int_type = GL_UNSIGNED_BYTE;
m_int_shift = 0;
break;
// 4 channel normalized
case GL_RGBA16:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_SHORT;
m_int_shift = 3;
break;
case GL_RGBA8:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_BYTE;
m_int_shift = 2;
break;
// 4 channel integer
case GL_RGBA16I:
case GL_RGBA16UI:
m_int_format = GL_RGBA_INTEGER;
m_int_type = (m_format == GL_R16UI) ? GL_UNSIGNED_SHORT : GL_SHORT;
m_int_shift = 3;
break;
// 4 channel float
case GL_RGBA32F:
m_int_format = GL_RGBA;
m_int_type = GL_FLOAT;
m_int_shift = 4;
break;
case GL_RGBA16F:
m_int_format = GL_RGBA;
m_int_type = GL_HALF_FLOAT;
m_int_shift = 3;
break;
// Depth buffer
case GL_DEPTH32F_STENCIL8:
m_int_format = GL_DEPTH_STENCIL;
m_int_type = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
m_int_shift = 3; // 4 bytes for depth + 4 bytes for stencil by texels
break;
// Backbuffer
case 0:
m_int_format = 0;
m_int_type = 0;
m_int_shift = 2; // 4 bytes by texels
break;
default:
m_int_format = 0;
m_int_type = 0;
m_int_shift = 0;
ASSERT(0);
}
m_mem_usage = (m_size.x * m_size.y) << m_int_shift;
static int every_512 = 0;
GLState::available_vram -= m_mem_usage;
if ((GLState::available_vram < 0) && (every_512 % 512 == 0)) {
fprintf(stderr, "Available VRAM is very low (%lld), a crash is expected ! Disable Larger framebuffer or reduce upscaling!\n", GLState::available_vram);
every_512++;
// Pull emergency break
throw GSDXErrorOOM();
}
// Generate & Allocate the buffer
switch (m_type) {
case GSTexture::Offscreen:
// Offscreen is only used to read color. So it only requires 4B by pixel
m_local_buffer = (uint8*)_aligned_malloc(m_size.x * m_size.y * 4, 32);
case GSTexture::Texture:
case GSTexture::RenderTarget:
case GSTexture::DepthStencil:
glCreateTextures(GL_TEXTURE_2D, 1, &m_texture_id);
glTextureStorage2D(m_texture_id, 1+GL_TEX_LEVEL_0, m_format, m_size.x, m_size.y);
if (m_format == GL_R8) {
// Emulate DX behavior, beside it avoid special code in shader to differentiate
// palette texture from a GL_RGBA target or a GL_R texture.
glTextureParameteri(m_texture_id, GL_TEXTURE_SWIZZLE_A, GL_RED);
}
break;
case GSTexture::Backbuffer:
default:
break;
}
}
GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read, bool mipmap)
: m_clean(false), m_generate_mipmap(true), m_local_buffer(nullptr), m_r_x(0), m_r_y(0), m_r_w(0), m_r_h(0), m_layer(0)
{
// OpenGL didn't like dimensions of size 0
m_size.x = std::max(1,w);
m_size.y = std::max(1,h);
m_format = format;
m_type = type;
m_fbo_read = fbo_read;
m_texture_id = 0;
m_sparse = false;
m_max_layer = 1;
// Bunch of constant parameter
switch (m_format) {
// 1 Channel integer
case GL_R32UI:
case GL_R32I:
m_int_format = GL_RED_INTEGER;
m_int_type = (m_format == GL_R32UI) ? GL_UNSIGNED_INT : GL_INT;
m_int_shift = 2;
break;
case GL_R16UI:
m_int_format = GL_RED_INTEGER;
m_int_type = GL_UNSIGNED_SHORT;
m_int_shift = 1;
break;
// 1 Channel normalized
case GL_R8:
m_int_format = GL_RED;
m_int_type = GL_UNSIGNED_BYTE;
m_int_shift = 0;
break;
// 4 channel normalized
case GL_RGBA16:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_SHORT;
m_int_shift = 3;
break;
case GL_RGBA8:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_BYTE;
m_int_shift = 2;
break;
// 4 channel integer
case GL_RGBA16I:
case GL_RGBA16UI:
m_int_format = GL_RGBA_INTEGER;
m_int_type = (m_format == GL_R16UI) ? GL_UNSIGNED_SHORT : GL_SHORT;
m_int_shift = 3;
break;
// 4 channel float
case GL_RGBA32F:
m_int_format = GL_RGBA;
m_int_type = GL_FLOAT;
m_int_shift = 4;
break;
case GL_RGBA16F:
m_int_format = GL_RGBA;
m_int_type = GL_HALF_FLOAT;
m_int_shift = 3;
break;
// Depth buffer
case GL_DEPTH32F_STENCIL8:
m_int_format = GL_DEPTH_STENCIL;
m_int_type = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
m_int_shift = 3; // 4 bytes for depth + 4 bytes for stencil by texels
break;
// Backbuffer
case 0:
m_int_format = 0;
m_int_type = 0;
m_int_shift = 2; // 4 bytes by texels
break;
default:
m_int_format = 0;
m_int_type = 0;
m_int_shift = 0;
ASSERT(0);
}
switch (m_type) {
case GSTexture::Backbuffer:
return; // backbuffer isn't a real texture
case GSTexture::Offscreen:
// Offscreen is only used to read color. So it only requires 4B by pixel
m_local_buffer = (uint8*)_aligned_malloc(m_size.x * m_size.y * 4, 32);
break;
case GSTexture::Texture:
// Only 32 bits input texture will be supported for mipmap
m_max_layer = mipmap && m_format == GL_RGBA8 ? (int)log2(std::max(w,h)) : 1;
break;
case SparseRenderTarget:
case SparseDepthStencil:
m_sparse = true;
break;
default:
break;
}
switch (m_format) {
case GL_R16UI:
case GL_R8:
m_sparse &= GLLoader::found_compatible_GL_ARB_sparse_texture2;
SetGpuPageSize(GSVector2i(255, 255));
break;
case GL_R32UI:
case GL_R32I:
case GL_RGBA16:
case GL_RGBA8:
case GL_RGBA16I:
case GL_RGBA16UI:
case GL_RGBA16F:
case 0:
m_sparse &= GLLoader::found_compatible_GL_ARB_sparse_texture2;
SetGpuPageSize(GSVector2i(127, 127));
break;
case GL_RGBA32F:
m_sparse &= GLLoader::found_compatible_GL_ARB_sparse_texture2;
SetGpuPageSize(GSVector2i(63, 63));
break;
case GL_DEPTH32F_STENCIL8:
m_sparse &= GLLoader::found_compatible_sparse_depth;
SetGpuPageSize(GSVector2i(127, 127));
break;
default:
ASSERT(0);
}
// Create a gl object (texture isn't allocated here)
glCreateTextures(GL_TEXTURE_2D, 1, &m_texture_id);
if (m_format == GL_R8) {
// Emulate DX behavior, beside it avoid special code in shader to differentiate
// palette texture from a GL_RGBA target or a GL_R texture.
glTextureParameteri(m_texture_id, GL_TEXTURE_SWIZZLE_A, GL_RED);
}
if (m_sparse) {
GSVector2i old_size = m_size;
m_size = RoundUpPage(m_size);
if (m_size != old_size) {
fprintf(stderr, "Sparse texture size (%dx%d) isn't a multiple of gpu page size (%dx%d)\n",
old_size.x, old_size.y, m_gpu_page_size.x, m_gpu_page_size.y);
}
glTextureParameteri(m_texture_id, GL_TEXTURE_SPARSE_ARB, true);
} else {
m_committed_size = m_size;
}
m_mem_usage = (m_committed_size.x * m_committed_size.y) << m_int_shift;
static int every_512 = 0;
GLState::available_vram -= m_mem_usage;
if ((GLState::available_vram < 0) && (every_512 % 512 == 0)) {
fprintf(stderr, "Available VRAM is very low (%lld), a crash is expected ! Disable Larger framebuffer or reduce upscaling!\n", GLState::available_vram);
every_512++;
// Pull emergency break
throw std::bad_alloc();
}
glTextureStorage2D(m_texture_id, m_max_layer + GL_TEX_LEVEL_0, m_format, m_size.x, m_size.y);
}
bool glPixelBuffer::create(GLushort width, GLushort height, GLushort depth,
GFXImageFormat formatEnum,
GFXDataFormat dataTypeEnum) {
GLenum textureTypeEnum = GLUtil::glTextureTypeTable[to_U32(_textureType)];
_internalFormat = GLUtil::internalFormat(formatEnum, dataTypeEnum, false);
_format = GLUtil::glImageFormatTable[to_U32(formatEnum)];
_dataType = GLUtil::glDataFormat[to_U32(dataTypeEnum)];
Console::printfn(Locale::get(_ID("GL_PB_GEN")), width, height);
_width = width;
_height = height;
_depth = depth;
_bufferSize = _width * 4;
switch (_pbtype) {
case PBType::PB_TEXTURE_2D:
_bufferSize *= _height;
break;
case PBType::PB_TEXTURE_3D:
_bufferSize *= _height * _depth;
break;
};
switch (_dataType) {
case GL_SHORT:
case GL_HALF_FLOAT:
case GL_UNSIGNED_SHORT:
_dataSizeBytes = 2;
break;
case GL_FLOAT:
case GL_INT:
case GL_UNSIGNED_INT:
_dataSizeBytes = 4;
break;
default:
break;
}
_bufferSize *= _dataSizeBytes;
GL_API::deleteTextures(1, &_textureID, _textureType);
glCreateTextures(textureTypeEnum, 1, &_textureID);
glTextureParameteri(_textureID, GL_GENERATE_MIPMAP, 0);
glTextureParameteri(_textureID, GL_TEXTURE_MIN_FILTER, to_I32(GL_NEAREST));
glTextureParameteri(_textureID, GL_TEXTURE_MAG_FILTER, to_I32(GL_NEAREST));
glTextureParameteri(_textureID, GL_TEXTURE_BASE_LEVEL, 0);
glTextureParameteri(_textureID, GL_TEXTURE_MAX_LEVEL, 1000);
glTextureParameteri(_textureID, GL_TEXTURE_WRAP_S, to_I32(GL_REPEAT));
if (_pbtype != PBType::PB_TEXTURE_1D) {
glTextureParameteri(_textureID, GL_TEXTURE_WRAP_T, to_I32(GL_REPEAT));
}
if (_pbtype == PBType::PB_TEXTURE_3D) {
glTextureParameteri(_textureID, GL_TEXTURE_WRAP_R, to_I32(GL_REPEAT));
}
U16 mipLevels = to_U16(std::floor(std::log2(std::max(_width, _height))) + 1);
GL_API::getStateTracker().setPixelPackUnpackAlignment();
switch (_pbtype) {
case PBType::PB_TEXTURE_1D:
glTextureStorage1D(_textureID, mipLevels, _internalFormat, _width);
break;
case PBType::PB_TEXTURE_2D:
glTextureStorage2D(_textureID, mipLevels, _internalFormat, _width, _height);
break;
case PBType::PB_TEXTURE_3D:
glTextureStorage3D(_textureID, mipLevels, _internalFormat, _width, _height, _depth);
break;
};
if (_pixelBufferHandle > 0) {
GLUtil::freeBuffer(_pixelBufferHandle);
}
GLUtil::createAndAllocBuffer(_bufferSize, GL_STREAM_DRAW, _pixelBufferHandle, NULL, _name.empty() ? nullptr : _name.c_str());
return _pixelBufferHandle != 0 && _textureID != 0;
}
enum piglit_result
piglit_display(void)
{
bool pass = true;
GLuint name;
GLubyte *data = malloc(50 * 50 * 6 * 4 * sizeof(GLubyte));
GLubyte *image = malloc(50 * 50 * 4 * sizeof(GLubyte));
/* Throw some invalid inputs at glGetTextureImage. */
/* Non-gen-ed name */
glGetTextureImage(3, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
pass &= piglit_check_gl_error(GL_INVALID_OPERATION);
/* Unsupported target. */
glGenTextures(1, &name);
glBindTexture(GL_TEXTURE_CUBE_MAP_POSITIVE_X, name);
glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
pass &= piglit_check_gl_error(GL_INVALID_ENUM);
glDeleteTextures(1, &name);
/* Unsupported dsa target for non-dsa version. */
glGetTexImage(GL_TEXTURE_CUBE_MAP, 0, GL_RGBA, GL_UNSIGNED_BYTE,
data);
pass &= piglit_check_gl_error(GL_INVALID_ENUM);
/* No Storage
*
* The spec doesn't say what should happen in this case. This is
* addressed by Khronos Bug 13223.
*/
glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
pass &= piglit_check_gl_error(GL_INVALID_OPERATION);
glDeleteTextures(1, &name);
/* Insufficient storage
*
* The spec doesn't say what should happen in this case. This is
* addressed by Khronos Bug 13223.
*/
glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
glBindTexture(GL_TEXTURE_CUBE_MAP, name);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0,
GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0,
GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0,
GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
/* Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set */
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0,
GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0,
GL_RGBA8, 50, 50, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0, data);
pass &= piglit_check_gl_error(GL_INVALID_OPERATION);
glDeleteTextures(1, &name);
/* Trivial, but should work. */
glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &name);
glTextureStorage2D(name, 1, GL_RGBA8, 50, 50);
glGetTextureImage(name, 0, GL_RGBA, GL_UNSIGNED_BYTE,
50 * 50 * 6 * 4, data);
pass &= piglit_check_gl_error(GL_NO_ERROR);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void ImageViewerPanel::initializeGL()
{
//glewInit();
glGetIntegerv(GL_MAJOR_VERSION, &ogl_ver_major);
glGetIntegerv(GL_MINOR_VERSION, &ogl_ver_minor);
shaderP = make_unique<GLSLProgram>(
"resources/shaders/img_vs.glsl",
"resources/shaders/img_fs.glsl");
if (ogl_ver_major == 4 && ogl_ver_minor >= 5)
{
// DSA
// Create VAO
glCreateBuffers(1, &vbo);
glNamedBufferData(vbo, sizeof(frame), frame, GL_STATIC_DRAW);
// IBO
GLuint indices[] = { 0,1,2,2,3,0 };
glCreateBuffers(1, &ibo);
glNamedBufferData(ibo, sizeof(indices), indices, GL_STATIC_DRAW);
// VAO
glCreateVertexArrays(1, &vao);
glEnableVertexArrayAttrib(vao, 0);
// Setup the formats
glVertexArrayAttribFormat(vao, 0, 2, GL_FLOAT, GL_FALSE, 0);
glVertexArrayVertexBuffer(vao, 0, vbo, 0, sizeof(float) * 2);
glVertexArrayAttribBinding(vao, 0, 0);
glVertexArrayElementBuffer(vao, ibo);
// Setup textures
int texSize = 4;
glCreateTextures(GL_TEXTURE_2D, 1, &tex);
glTextureParameteri(tex, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTextureParameteri(tex, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTextureParameteri(tex, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTextureParameteri(tex, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTextureStorage2D(tex, 1, GL_RGB32F, imgsize[0], imgsize[1]);
if (texLen > 0)
{
glTextureSubImage2D(tex, 0, 0, 0, imgsize[0], imgsize[1], GL_RGB, GL_FLOAT, textures);
}
texHandle = glGetTextureHandleARB(tex);
glMakeTextureHandleResidentARB(texHandle);
}
else
{
// Non-DSA
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
// Bind UV values
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(frame), frame, GL_STATIC_DRAW);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, nullptr);
glEnableVertexAttribArray(0);
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
void Tex2DArray::reload()
{
double timer = ngn::time();
reset();
// RN_CHECK(glGenTextures(1, &id));
// RN_CHECK(glBindTexture(GL_TEXTURE_2D_ARRAY, id));
RN_CHECK(glCreateTextures(GL_TEXTURE_2D_ARRAY, 1, &id));
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_MIN_FILTER, minFilter), rn::getEnumName(minFilter));
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_MAG_FILTER, magFilter), rn::getEnumName(magFilter));
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_WRAP_S, wrapS), rn::getEnumName(wrapS));
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_WRAP_T, wrapT), rn::getEnumName(wrapT));
setParam(GL_TEXTURE_MIN_FILTER, minFilter);
setParam(GL_TEXTURE_MAG_FILTER, magFilter);
setParam(GL_TEXTURE_WRAP_S, wrapS);
setParam(GL_TEXTURE_WRAP_T, wrapT);
// RN_CHECK(glTextureParameterfv(id, GL_TEXTURE_BORDER_COLOR, glm::value_ptr(borderColor)));
setParam(GL_TEXTURE_BORDER_COLOR, glm::value_ptr(borderColor));
if (mipLevels > 0)
{
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_MAX_LEVEL, mipLevels), mipLevels);
setParam(GL_TEXTURE_MAX_LEVEL, mipLevels);
}
switch (internalFormat)
{
case GL_DEPTH_COMPONENT:
format = GL_DEPTH_COMPONENT;
type = GL_UNSIGNED_INT;
break;
case GL_DEPTH_COMPONENT16:
format = GL_DEPTH_COMPONENT;
type = GL_UNSIGNED_INT;
break;
case GL_DEPTH_COMPONENT24:
format = GL_DEPTH_COMPONENT;
type = GL_UNSIGNED_INT;
break;
case GL_DEPTH_COMPONENT32:
format = GL_DEPTH_COMPONENT;
type = GL_UNSIGNED_INT;
break;
case GL_DEPTH_COMPONENT32F:
format = GL_DEPTH_COMPONENT;
type = GL_FLOAT;
break;
case GL_DEPTH24_STENCIL8:
format = GL_DEPTH_STENCIL;
type = GL_UNSIGNED_INT_24_8;
break;
case GL_DEPTH32F_STENCIL8:
format = GL_DEPTH_STENCIL;
type = GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
break;
default:
format = GL_RED;
type = GL_UNSIGNED_BYTE;
}
if (isDepth() && compareFunc != COMPARE_NONE)
{
// RN_CHECK(glTextureParameteri(id, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE));
// RN_CHECK_PARAM(glTextureParameteri(id, GL_TEXTURE_COMPARE_FUNC, compareFunc), rn::getEnumName(compareFunc));
setParam(GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
setParam(GL_TEXTURE_COMPARE_FUNC, compareFunc);
}
RN_CHECK_PARAM(glTextureStorage3D(id, mipLevels + 1, internalFormat, width, height, size), mipLevels << ", " << rn::getEnumName(internalFormat) << ", " << width << ", " << height << ", " << size);
/*
GLsizei mipWidth = width;
GLsizei mipHeight = height;
for (GLint i = 0; i <= mipLevels; i++)
{
RN_CHECK_PARAM(glTexImage3D(GL_TEXTURE_2D_ARRAY, i, internalFormat, mipWidth, mipHeight, size, 0, format, type, nullptr), i << ", " << rn::getEnumName(internalFormat) << ", " << mipWidth << ", " << mipHeight << ", " << rn::getEnumName(format) << ", " << rn::getEnumName(type));
mipWidth = max(1, mipWidth / 2);
mipHeight = max(1, mipHeight / 2);
}
*/
// RN_CHECK(glBindTexture(GL_TEXTURE_2D_ARRAY, 0));
UTIL_DEBUG
{
clog << fixed;
clog << " [Tex2DArray \"" << texName << "\":" << (ngn::time() - timer) << "s]" << endl;
clog.unsetf(ios::floatfield);
}
}
GSTextureOGL::GSTextureOGL(int type, int w, int h, int format, GLuint fbo_read)
: m_pbo_size(0), m_dirty(false), m_clean(false), m_local_buffer(NULL)
{
// OpenGL didn't like dimensions of size 0
m_size.x = max(1,w);
m_size.y = max(1,h);
m_format = format;
m_type = type;
m_fbo_read = fbo_read;
m_texture_id = 0;
// Bunch of constant parameter
switch (m_format) {
// 1 Channel integer
case GL_R32UI:
case GL_R32I:
m_int_format = GL_RED_INTEGER;
m_int_type = (m_format == GL_R32UI) ? GL_UNSIGNED_INT : GL_INT;
m_int_alignment = 4;
m_int_shift = 2;
break;
case GL_R16UI:
m_int_format = GL_RED_INTEGER;
m_int_type = GL_UNSIGNED_SHORT;
m_int_alignment = 2;
m_int_shift = 1;
break;
// 1 Channel normalized
case GL_R8:
m_int_format = GL_RED;
m_int_type = GL_UNSIGNED_BYTE;
m_int_alignment = 1;
m_int_shift = 0;
break;
// 4 channel normalized
case GL_RGBA16:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_SHORT;
m_int_alignment = 8;
m_int_shift = 3;
break;
case GL_RGBA8:
m_int_format = GL_RGBA;
m_int_type = GL_UNSIGNED_BYTE;
m_int_alignment = 4;
m_int_shift = 2;
break;
// 4 channel integer
case GL_RGBA16I:
case GL_RGBA16UI:
m_int_format = GL_RGBA_INTEGER;
m_int_type = (m_format == GL_R16UI) ? GL_UNSIGNED_SHORT : GL_SHORT;
m_int_alignment = 8;
m_int_shift = 3;
break;
// 4 channel float
case GL_RGBA32F:
m_int_format = GL_RGBA;
m_int_type = GL_FLOAT;
m_int_alignment = 16;
m_int_shift = 4;
break;
case GL_RGBA16F:
m_int_format = GL_RGBA;
m_int_type = GL_HALF_FLOAT;
m_int_alignment = 8;
m_int_shift = 3;
break;
// Special
case 0:
case GL_DEPTH32F_STENCIL8:
// Backbuffer & dss aren't important
m_int_format = 0;
m_int_type = 0;
m_int_alignment = 0;
m_int_shift = 0;
break;
default:
ASSERT(0);
}
// Generate & Allocate the buffer
switch (m_type) {
case GSTexture::Offscreen:
// 8B is the worst case for depth/stencil
// FIXME I think it is only used for color. So you can save half of the size
m_local_buffer = (uint8*)_aligned_malloc(m_size.x * m_size.y * 4, 32);
case GSTexture::Texture:
case GSTexture::RenderTarget:
case GSTexture::DepthStencil:
glCreateTextures(GL_TEXTURE_2D, 1, &m_texture_id);
glTextureStorage2D(m_texture_id, 1+GL_TEX_LEVEL_0, m_format, m_size.x, m_size.y);
if (m_format == GL_R8) {
// Emulate DX behavior, beside it avoid special code in shader to differentiate
// palette texture from a GL_RGBA target or a GL_R texture.
glTextureParameteri(m_texture_id, GL_TEXTURE_SWIZZLE_A, GL_RED);
}
break;
case GSTexture::Backbuffer:
default:
break;
}
}
void SuzanneGL::RenderShadowMaps()
{
GLuint FramebufferName = 0;
glCreateFramebuffers(1, &FramebufferName);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
glm::mat4 depthViewProjectionMatrices[NUMBER_OF_LIGHTS];
for (int i = 0; i < NUMBER_OF_LIGHTS; ++i)
{
glCreateTextures(GL_TEXTURE_2D, 1, &shadowMaps[i]);
glTextureImage2DEXT(shadowMaps[i], GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, SHADOW_RESOLUTION, SHADOW_RESOLUTION, 0, GL_DEPTH_COMPONENT, GL_FLOAT, 0);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
glTextureParameteri(shadowMaps[i], GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, shadowMaps[i], 0);
glDrawBuffer(GL_NONE);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
return;
glEnable(GL_DEPTH_TEST);
glClear(GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, SHADOW_RESOLUTION, SHADOW_RESOLUTION);
glm::vec3 lightDir = glm::normalize(glm::vec3(lighting.lights[i].position.x, lighting.lights[i].position.y, lighting.lights[i].position.z));
glm::mat4 depthProjectionMatrix = glm::ortho<float>(-10, 10, -10, 10, -10, 20);
glm::mat4 depthViewMatrix = glm::lookAt(lightDir, glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
depthViewProjectionMatrices[i] = depthProjectionMatrix * depthViewMatrix;
shadowModelMatrixIndex = glGetUniformLocation(shadowShaderProgram, "modelMatrix");
shadowViewProjectionMatrixIndex = glGetUniformLocation(shadowShaderProgram, "viewProjectionMatrix");
glProgramUniformMatrix4fv(shadowShaderProgram, shadowViewProjectionMatrixIndex, 1, GL_FALSE, glm::value_ptr(depthViewProjectionMatrices[i]));
for (ModelGL model : models)
{
glProgramUniformMatrix4fv(shadowShaderProgram, shadowModelMatrixIndex, 1, GL_FALSE, glm::value_ptr(model.modelMatrix));
glNamedBufferSubData(materialBuffer, 0, sizeof(Material), &model.material);
glBindVertexArray(model.vertexArray);
glUseProgram(shadowShaderProgram);
glDrawArrays(GL_TRIANGLES, 0, model.vertexCount);
}
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glm::mat4 biasMatrix(
0.5, 0.0, 0.0, 0.0,
0.0, 0.5, 0.0, 0.0,
0.0, 0.0, 0.5, 0.0,
0.5, 0.5, 0.5, 1.0
);
shadowViewProjectionMatrixIndex = glGetUniformLocation(shaderProgram, "shadowViewProjectionMatrix");
shadowBiasMatrixIndex = glGetUniformLocation(shaderProgram, "shadowBiasMatrix");
glProgramUniformMatrix4fv(shaderProgram, shadowViewProjectionMatrixIndex, 2, GL_FALSE, glm::value_ptr(depthViewProjectionMatrices[0]));
glProgramUniformMatrix4fv(shaderProgram, shadowBiasMatrixIndex, 1, GL_FALSE, glm::value_ptr(biasMatrix));
}