25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
193 lines
9.1 KiB
C++
193 lines
9.1 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2020 - Raw Material Software Limited
|
|
|
|
JUCE is an open source library subject to commercial or open-source
|
|
licensing.
|
|
|
|
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
|
|
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
|
|
|
|
End User License Agreement: www.juce.com/juce-6-licence
|
|
Privacy Policy: www.juce.com/juce-privacy-policy
|
|
|
|
Or: You may also use this code under the terms of the GPL v3 (see
|
|
www.gnu.org/licenses).
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
OpenGLShaderProgram::OpenGLShaderProgram (const OpenGLContext& c) noexcept : context (c)
|
|
{
|
|
}
|
|
|
|
OpenGLShaderProgram::~OpenGLShaderProgram() noexcept
|
|
{
|
|
release();
|
|
}
|
|
|
|
GLuint OpenGLShaderProgram::getProgramID() const noexcept
|
|
{
|
|
if (programID == 0)
|
|
{
|
|
// This method should only be called when the current thread has an active OpenGL context.
|
|
jassert (OpenGLHelpers::isContextActive());
|
|
|
|
programID = context.extensions.glCreateProgram();
|
|
}
|
|
|
|
return programID;
|
|
}
|
|
|
|
void OpenGLShaderProgram::release() noexcept
|
|
{
|
|
if (programID != 0)
|
|
{
|
|
context.extensions.glDeleteProgram (programID);
|
|
programID = 0;
|
|
}
|
|
}
|
|
|
|
double OpenGLShaderProgram::getLanguageVersion()
|
|
{
|
|
return String::fromUTF8 ((const char*) glGetString (GL_SHADING_LANGUAGE_VERSION))
|
|
.retainCharacters("1234567890.").getDoubleValue();
|
|
}
|
|
|
|
bool OpenGLShaderProgram::addShader (const String& code, GLenum type)
|
|
{
|
|
GLuint shaderID = context.extensions.glCreateShader (type);
|
|
|
|
const GLchar* c = code.toRawUTF8();
|
|
context.extensions.glShaderSource (shaderID, 1, &c, nullptr);
|
|
|
|
context.extensions.glCompileShader (shaderID);
|
|
|
|
GLint status = GL_FALSE;
|
|
context.extensions.glGetShaderiv (shaderID, GL_COMPILE_STATUS, &status);
|
|
|
|
if (status == (GLint) GL_FALSE)
|
|
{
|
|
std::vector<GLchar> infoLog (16384);
|
|
GLsizei infoLogLength = 0;
|
|
context.extensions.glGetShaderInfoLog (shaderID, (GLsizei) infoLog.size(), &infoLogLength, infoLog.data());
|
|
errorLog = String (infoLog.data(), (size_t) infoLogLength);
|
|
|
|
#if JUCE_DEBUG && ! JUCE_DONT_ASSERT_ON_GLSL_COMPILE_ERROR
|
|
// Your GLSL code contained compile errors!
|
|
// Hopefully this compile log should help to explain what went wrong.
|
|
DBG (errorLog);
|
|
jassertfalse;
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
context.extensions.glAttachShader (getProgramID(), shaderID);
|
|
context.extensions.glDeleteShader (shaderID);
|
|
JUCE_CHECK_OPENGL_ERROR
|
|
return true;
|
|
}
|
|
|
|
bool OpenGLShaderProgram::addVertexShader (const String& code) { return addShader (code, GL_VERTEX_SHADER); }
|
|
bool OpenGLShaderProgram::addFragmentShader (const String& code) { return addShader (code, GL_FRAGMENT_SHADER); }
|
|
|
|
bool OpenGLShaderProgram::link() noexcept
|
|
{
|
|
// This method can only be used when the current thread has an active OpenGL context.
|
|
jassert (OpenGLHelpers::isContextActive());
|
|
|
|
GLuint progID = getProgramID();
|
|
|
|
context.extensions.glLinkProgram (progID);
|
|
|
|
GLint status = GL_FALSE;
|
|
context.extensions.glGetProgramiv (progID, GL_LINK_STATUS, &status);
|
|
|
|
if (status == (GLint) GL_FALSE)
|
|
{
|
|
std::vector<GLchar> infoLog (16384);
|
|
GLsizei infoLogLength = 0;
|
|
context.extensions.glGetProgramInfoLog (progID, (GLsizei) infoLog.size(), &infoLogLength, infoLog.data());
|
|
errorLog = String (infoLog.data(), (size_t) infoLogLength);
|
|
|
|
#if JUCE_DEBUG && ! JUCE_DONT_ASSERT_ON_GLSL_COMPILE_ERROR
|
|
// Your GLSL code contained link errors!
|
|
// Hopefully this compile log should help to explain what went wrong.
|
|
DBG (errorLog);
|
|
jassertfalse;
|
|
#endif
|
|
}
|
|
|
|
JUCE_CHECK_OPENGL_ERROR
|
|
return status != (GLint) GL_FALSE;
|
|
}
|
|
|
|
void OpenGLShaderProgram::use() const noexcept
|
|
{
|
|
// The shader program must have been successfully linked when this method is called!
|
|
jassert (programID != 0);
|
|
|
|
context.extensions.glUseProgram (programID);
|
|
}
|
|
|
|
GLint OpenGLShaderProgram::getUniformIDFromName (const char* uniformName) const noexcept
|
|
{
|
|
// The shader program must be active when this method is called!
|
|
jassert (programID != 0);
|
|
|
|
return (GLint) context.extensions.glGetUniformLocation (programID, uniformName);
|
|
}
|
|
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLfloat n1) noexcept { context.extensions.glUniform1f (getUniformIDFromName (name), n1); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLint n1) noexcept { context.extensions.glUniform1i (getUniformIDFromName (name), n1); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLfloat n1, GLfloat n2) noexcept { context.extensions.glUniform2f (getUniformIDFromName (name), n1, n2); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLfloat n1, GLfloat n2, GLfloat n3) noexcept { context.extensions.glUniform3f (getUniformIDFromName (name), n1, n2, n3); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLfloat n1, GLfloat n2, GLfloat n3, GLfloat n4) noexcept { context.extensions.glUniform4f (getUniformIDFromName (name), n1, n2, n3, n4); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, GLint n1, GLint n2, GLint n3, GLint n4) noexcept { context.extensions.glUniform4i (getUniformIDFromName (name), n1, n2, n3, n4); }
|
|
void OpenGLShaderProgram::setUniform (const char* name, const GLfloat* values, GLsizei numValues) noexcept { context.extensions.glUniform1fv (getUniformIDFromName (name), numValues, values); }
|
|
void OpenGLShaderProgram::setUniformMat2 (const char* name, const GLfloat* v, GLint num, GLboolean trns) noexcept { context.extensions.glUniformMatrix2fv (getUniformIDFromName (name), num, trns, v); }
|
|
void OpenGLShaderProgram::setUniformMat3 (const char* name, const GLfloat* v, GLint num, GLboolean trns) noexcept { context.extensions.glUniformMatrix3fv (getUniformIDFromName (name), num, trns, v); }
|
|
void OpenGLShaderProgram::setUniformMat4 (const char* name, const GLfloat* v, GLint num, GLboolean trns) noexcept { context.extensions.glUniformMatrix4fv (getUniformIDFromName (name), num, trns, v); }
|
|
|
|
//==============================================================================
|
|
OpenGLShaderProgram::Attribute::Attribute (const OpenGLShaderProgram& program, const char* name)
|
|
: attributeID ((GLuint) program.context.extensions.glGetAttribLocation (program.getProgramID(), name))
|
|
{
|
|
#if JUCE_DEBUG && ! JUCE_DONT_ASSERT_ON_GLSL_COMPILE_ERROR
|
|
jassert ((GLint) attributeID >= 0);
|
|
#endif
|
|
}
|
|
|
|
//==============================================================================
|
|
OpenGLShaderProgram::Uniform::Uniform (const OpenGLShaderProgram& program, const char* const name)
|
|
: uniformID (program.context.extensions.glGetUniformLocation (program.getProgramID(), name)), context (program.context)
|
|
{
|
|
#if JUCE_DEBUG && ! JUCE_DONT_ASSERT_ON_GLSL_COMPILE_ERROR
|
|
jassert (uniformID >= 0);
|
|
#endif
|
|
}
|
|
|
|
void OpenGLShaderProgram::Uniform::set (GLfloat n1) const noexcept { context.extensions.glUniform1f (uniformID, n1); }
|
|
void OpenGLShaderProgram::Uniform::set (GLint n1) const noexcept { context.extensions.glUniform1i (uniformID, n1); }
|
|
void OpenGLShaderProgram::Uniform::set (GLfloat n1, GLfloat n2) const noexcept { context.extensions.glUniform2f (uniformID, n1, n2); }
|
|
void OpenGLShaderProgram::Uniform::set (GLfloat n1, GLfloat n2, GLfloat n3) const noexcept { context.extensions.glUniform3f (uniformID, n1, n2, n3); }
|
|
void OpenGLShaderProgram::Uniform::set (GLfloat n1, GLfloat n2, GLfloat n3, GLfloat n4) const noexcept { context.extensions.glUniform4f (uniformID, n1, n2, n3, n4); }
|
|
void OpenGLShaderProgram::Uniform::set (GLint n1, GLint n2, GLint n3, GLint n4) const noexcept { context.extensions.glUniform4i (uniformID, n1, n2, n3, n4); }
|
|
void OpenGLShaderProgram::Uniform::set (const GLfloat* values, GLsizei numValues) const noexcept { context.extensions.glUniform1fv (uniformID, numValues, values); }
|
|
|
|
void OpenGLShaderProgram::Uniform::setMatrix2 (const GLfloat* v, GLint num, GLboolean trns) const noexcept { context.extensions.glUniformMatrix2fv (uniformID, num, trns, v); }
|
|
void OpenGLShaderProgram::Uniform::setMatrix3 (const GLfloat* v, GLint num, GLboolean trns) const noexcept { context.extensions.glUniformMatrix3fv (uniformID, num, trns, v); }
|
|
void OpenGLShaderProgram::Uniform::setMatrix4 (const GLfloat* v, GLint num, GLboolean trns) const noexcept { context.extensions.glUniformMatrix4fv (uniformID, num, trns, v); }
|
|
|
|
} // namespace juce
|