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+ | Accumulation texture

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TheRedShip
2024-12-27 17:10:35 +01:00
parent c25c337d1f
commit f64d6d0042
9 changed files with 135 additions and 72 deletions
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20
srcs/class/Shader.cpp
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@ -54,6 +54,8 @@ Shader::Shader(std::string vertexPath, std::string fragmentPath, std::string com
const char *fragmentCode = loadFileWithIncludes(fragmentPath);
const char *computeCode = loadFileWithIncludes(computePath);
std::cout << computeCode << std::endl;
_vertex = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(_vertex, 1, &vertexCode, NULL);
@ -90,7 +92,6 @@ void Shader::attach(void)
_program = glCreateProgram();
_program_compute = glCreateProgram();
glAttachShader(_program, _vertex);
glAttachShader(_program, _fragment);
glAttachShader(_program_compute, _compute);
@ -98,14 +99,23 @@ void Shader::attach(void)
glLinkProgram(_program);
glLinkProgram(_program_compute);
glGenTextures(1, &_outputTexture);
glBindTexture(GL_TEXTURE_2D, _outputTexture);
glGenTextures(1, &_output_texture);
glBindTexture(GL_TEXTURE_2D, _output_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, WIDTH, HEIGHT, 0, GL_RGBA, GL_FLOAT, NULL);
glBindImageTexture(0, _outputTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA32F);
glBindImageTexture(0, _output_texture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA32F);
glGenTextures(1, &_accumulation_texture);
glBindTexture(GL_TEXTURE_2D, _accumulation_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, WIDTH, HEIGHT, 0, GL_RGBA, GL_FLOAT, NULL);
glBindImageTexture(1, _accumulation_texture, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
}
void Shader::checkCompileErrors(GLuint shader)
@ -146,7 +156,7 @@ void Shader::setupVertexBuffer(const Vertex* vertices, size_t size)
void Shader::drawTriangles(size_t size)
{
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, _outputTexture);
glBindTexture(GL_TEXTURE_2D, _output_texture);
glUniform1i(glGetUniformLocation(_program, "screenTexture"), 0);
glBindVertexArray(_screen_VAO);