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Propagate shader compile/link errors

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And silence the no-error case.
This commit is contained in:
Kristian Høgsberg 2010-06-14 21:03:11 -04:00
parent bf6ceda545
commit a946821b4f
3 changed files with 28 additions and 10 deletions
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3
compositor-drm.c
View file

@ -662,7 +662,8 @@ drm_compositor_create(struct wl_display *display)
} }
/* Can't init base class until we have a current egl context */ /* Can't init base class until we have a current egl context */
wlsc_compositor_init(&ec->base, display); if (wlsc_compositor_init(&ec->base, display) < 0)
return NULL;
if (create_outputs(ec) < 0) { if (create_outputs(ec) < 0) {
fprintf(stderr, "failed to create output for %s\n", path); fprintf(stderr, "failed to create output for %s\n", path);

3
compositor-x11.c
View file

@ -644,7 +644,8 @@ x11_compositor_create(struct wl_display *display)
x11_compositor_init_egl(c); x11_compositor_init_egl(c);
/* Can't init base class until we have a current egl context */ /* Can't init base class until we have a current egl context */
wlsc_compositor_init(&c->base, display); if (wlsc_compositor_init(&c->base, display) < 0)
return NULL;
x11_compositor_create_output(c, 1024, 640); x11_compositor_create_output(c, 1024, 640);

26
compositor.c
View file

@ -801,27 +801,36 @@ static const char fragment_shader[] =
" gl_FragColor = texture2D(tex, v_texcoord)\n;" " gl_FragColor = texture2D(tex, v_texcoord)\n;"
"}\n"; "}\n";
static void static int
init_shaders(struct wlsc_compositor *ec) init_shaders(struct wlsc_compositor *ec)
{ {
GLuint v, f, program; GLuint v, f, program;
const char *p; const char *p;
char msg[512]; char msg[512];
GLfloat vertices[4 * 5]; GLfloat vertices[4 * 5];
GLint status;
p = vertex_shader; p = vertex_shader;
v = glCreateShader(GL_VERTEX_SHADER); v = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(v, 1, &p, NULL); glShaderSource(v, 1, &p, NULL);
glCompileShader(v); glCompileShader(v);
glGetShaderiv(v, GL_COMPILE_STATUS, &status);
if (!status) {
glGetShaderInfoLog(v, sizeof msg, NULL, msg); glGetShaderInfoLog(v, sizeof msg, NULL, msg);
printf("vertex shader info: %s\n", msg); fprintf(stderr, "vertex shader info: %s\n", msg);
return -1;
}
p = fragment_shader; p = fragment_shader;
f = glCreateShader(GL_FRAGMENT_SHADER); f = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(f, 1, &p, NULL); glShaderSource(f, 1, &p, NULL);
glCompileShader(f); glCompileShader(f);
glGetShaderiv(f, GL_COMPILE_STATUS, &status);
if (!status) {
glGetShaderInfoLog(f, sizeof msg, NULL, msg); glGetShaderInfoLog(f, sizeof msg, NULL, msg);
printf("fragment shader info: %s\n", msg); fprintf(stderr, "fragment shader info: %s\n", msg);
return -1;
}
program = glCreateProgram(); program = glCreateProgram();
glAttachShader(program, v); glAttachShader(program, v);
@ -830,8 +839,12 @@ init_shaders(struct wlsc_compositor *ec)
glBindAttribLocation(program, 1, "texcoord"); glBindAttribLocation(program, 1, "texcoord");
glLinkProgram(program); glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &status);
if (!status) {
glGetProgramInfoLog(program, sizeof msg, NULL, msg); glGetProgramInfoLog(program, sizeof msg, NULL, msg);
printf("info: %s\n", msg); fprintf(stderr, "link info: %s\n", msg);
return -1;
}
glUseProgram(program); glUseProgram(program);
ec->proj_uniform = glGetUniformLocation(program, "proj"); ec->proj_uniform = glGetUniformLocation(program, "proj");
@ -864,6 +877,8 @@ init_shaders(struct wlsc_compositor *ec)
glGenBuffers(1, &ec->vbo); glGenBuffers(1, &ec->vbo);
glBindBuffer(GL_ARRAY_BUFFER, ec->vbo); glBindBuffer(GL_ARRAY_BUFFER, ec->vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof vertices, vertices, GL_STATIC_DRAW); glBufferData(GL_ARRAY_BUFFER, sizeof vertices, vertices, GL_STATIC_DRAW);
return 0;
} }
static const struct wl_interface visual_interface = { static const struct wl_interface visual_interface = {
@ -938,7 +953,8 @@ wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
glGenFramebuffers(1, &ec->fbo); glGenFramebuffers(1, &ec->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo); glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
init_shaders(ec); if (init_shaders(ec) < 0)
return -1;
loop = wl_display_get_event_loop(ec->wl_display); loop = wl_display_get_event_loop(ec->wl_display);
ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec); ec->timer_source = wl_event_loop_add_timer(loop, repaint, ec);