Attachment 119919 Details for Bug 92999 – Simple test program showing a shader compilation error

Simple test program showing a shader compilation error

const_init.cpp (text/plain), 2.13 KB, created by Christoph Brill on 2015-11-18 21:45:25 UTC

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Creator: Christoph Brill

Created: 2015-11-18 21:45:25 UTC

Size: 2.13 KB

patch

obsolete

>#include <SDL2/SDL.h>
>#include <GL/glew.h>
>#include <SDL2/SDL_opengl.h>
>
>const GLchar *source = (const GLchar *) "#version 330 core\n"
>    "\n"
>    "uint dosomething(int bits) {\n"
>    "  const uint mask = 0xFFFFFFFFu >> (32 - bits);\n"
>    "  return mask;\n"
>    "}\n"
>    "\n"
>    "layout(location = 0)in vec4 vert;\n"
>    "\n"
>    "uniform mat4 projection;\n"
>    "uniform mat4 view;\n"
>    "uniform mat4 model;\n"
>    "\n"
>    "void main() {\n"
>    "  gl_Position = projection * view * model * vert;\n"
>    "}";
>
>int main(int argc, char* args[]) {
>    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
>        printf("SDL init error: %s\n", SDL_GetError());
>        return -1;
>    }
>
>    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
>    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
>    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
>
>    SDL_Window* window = SDL_CreateWindow("Shader test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN);
>    if (!window) {
>        printf("SDL window error: %s\n", SDL_GetError());
>        return -1;
>    }
>
>    SDL_GLContext context = SDL_GL_CreateContext(window);
>    if (!context) {
>        printf("SDL context error: %s\n", SDL_GetError());
>        return -1;
>    }
>
>    GLenum glewError = glewInit();
>    if (glewError != GLEW_OK) {
>        printf("GLEW error: %s\n", glewGetErrorString(glewError));
>    }
>
>    GLuint program = glCreateProgram();
>
>    GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER);
>    glShaderSource(vertexShader, 1, &source, 0);
>    glCompileShader(vertexShader);
>
>    GLint success = GL_TRUE;
>    glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &success);
>    if (success == GL_FALSE) {
>        printf("Failed.\n");
>        GLint maxLength = 0;
>        glGetShaderiv(vertexShader, GL_INFO_LOG_LENGTH, &maxLength);
>        printf("%i\n", (int) maxLength);
>
>        GLchar* errorLog = (GLchar*) malloc(sizeof(GLchar) * maxLength);
>        glGetShaderInfoLog(vertexShader, maxLength, &maxLength, errorLog);
>
>        printf("%s\n", errorLog);
>        free(errorLog);
>    } else {
>        printf("All OK.\n");
>    }
>
>    return 0;
>}

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