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// A simple program to see if the GL implementation will accept a shader
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// generated by MojoShader, as they could also fail to compile what
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// we produce.
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "SDL.h"
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#include "mojoshader.h"
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static void * MOJOSHADERCALL get_proc_addr(const char *fnname, void *data)
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{
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return SDL_GL_GetProcAddress(fnname);
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}
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int main(int argc, char **argv)
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{
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int retval = 1;
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SDL_Window *sdlwindow = NULL;
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MOJOSHADER_glContext *mojo = NULL;
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int i;
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printf("MojoShader testglcompile\n");
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printf("Compiled against changeset %s\n", MOJOSHADER_CHANGESET);
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printf("Linked against changeset %s\n", MOJOSHADER_changeset());
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printf("\n");
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if (argc <= 2)
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printf("\n\nUSAGE: %s <profile> [file1] ... [fileN]\n\n", argv[0]);
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else if (SDL_Init(SDL_INIT_VIDEO) == -1)
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fprintf(stderr, "SDL_Init() error: %s\n", SDL_GetError());
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else if (SDL_GL_LoadLibrary(NULL) == -1)
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fprintf(stderr, "SDL_GL_LoadLibrary() error: %s\n", SDL_GetError());
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else if ((sdlwindow = SDL_CreateWindow(argv[0], SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_OPENGL)) == NULL)
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fprintf(stderr, "SDL_CreateWindow() error: %s\n", SDL_GetError());
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else if (SDL_GL_CreateContext(sdlwindow) == NULL)
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fprintf(stderr, "SDL_GL_CreateContext() error: %s\n", SDL_GetError());
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else if ((mojo = MOJOSHADER_glCreateContext(argv[1], get_proc_addr, NULL, NULL, NULL, NULL)) == NULL)
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fprintf(stderr, "MOJOSHADER_glCreateContext() error: %s\n", MOJOSHADER_glGetError());
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else
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retval = 0;
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if (retval != 0)
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{
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SDL_Quit();
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return retval;
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} // if
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MOJOSHADER_glMakeContextCurrent(mojo);
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for (i = 2; i < argc; i++) {
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const char *fname = argv[i];
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static unsigned char buffer[1024 * 512];
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MOJOSHADER_glShader *shader;
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MOJOSHADER_glProgram *program;
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const MOJOSHADER_parseData *pd;
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int isvshader;
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FILE *io;
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size_t br;
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io = fopen(fname, "rb");
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if (!io) {
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fprintf(stderr, "Failed to open %s: %s\n", fname, strerror(errno));
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retval = 1;
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continue;
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}
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br = fread(buffer, 1, sizeof (buffer), io);
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fclose(io);
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shader = MOJOSHADER_glCompileShader(buffer, (unsigned int) br, NULL, 0, NULL, 0);
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if (!shader) {
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fprintf(stderr, "Compiling %s failed: %s\n", fname, MOJOSHADER_glGetError());
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retval = 1;
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continue;
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}
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shader = MOJOSHADER_glCompileShader(buffer, (unsigned int) br, NULL, 0, NULL, 0);
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if (!shader) {
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fprintf(stderr, "Compiling %s failed: %s\n", fname, MOJOSHADER_glGetError());
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retval = 1;
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continue;
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}
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pd = MOJOSHADER_glGetShaderParseData(shader);
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isvshader = (pd->shader_type == MOJOSHADER_TYPE_VERTEX);
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program = MOJOSHADER_glLinkProgram(isvshader ? shader : NULL, isvshader ? NULL : shader);
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if (!program) {
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fprintf(stderr, "Linking %s failed: %s\n", fname, MOJOSHADER_glGetError());
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retval = 1;
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MOJOSHADER_glDeleteShader(shader);
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continue;
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}
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printf("%s: okay\n", fname);
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MOJOSHADER_glDeleteProgram(program);
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MOJOSHADER_glDeleteShader(shader);
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}
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MOJOSHADER_glDestroyContext(mojo);
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SDL_Quit();
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return retval;
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}
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// end of testglcompile.c ...
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