summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/cairo-gl-surface.c56
1 files changed, 31 insertions, 25 deletions
diff --git a/src/cairo-gl-surface.c b/src/cairo-gl-surface.c
index 2690bd6a..f4bae565 100644
--- a/src/cairo-gl-surface.c
+++ b/src/cairo-gl-surface.c
@@ -658,6 +658,8 @@ _cairo_gl_surface_draw_image (cairo_gl_surface_t *dst,
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
}
+ status = CAIRO_STATUS_SUCCESS;
+
_cairo_gl_set_destination (ctx, dst);
glGenTextures (1, &tex);
@@ -727,7 +729,7 @@ fail:
if (clone)
cairo_surface_destroy (&clone->base);
- return CAIRO_STATUS_SUCCESS;
+ return status;
}
static cairo_status_t
@@ -1372,7 +1374,7 @@ _cairo_gl_operand_init (cairo_gl_context_t *ctx,
case CAIRO_PATTERN_TYPE_LINEAR:
case CAIRO_PATTERN_TYPE_RADIAL:
status = _cairo_gl_gradient_operand_init (ctx, operand, dst);
- if (!_cairo_status_is_error (status))
+ if (status != CAIRO_INT_STATUS_UNSUPPORTED)
return status;
/* fall through */
@@ -1846,26 +1848,27 @@ _cairo_gl_surface_composite_component_alpha (cairo_operator_t op,
}
mask_attributes = &setup.mask.operand.texture.attributes;
+ /* We'll fall back to fixed function instead. */
+ ca_source_program = NULL;
+ ca_source_alpha_program = NULL;
+
status = _cairo_gl_get_program (ctx,
setup.src.source,
setup.mask.mask,
CAIRO_GL_SHADER_IN_CA_SOURCE,
&ca_source_program);
- if (!_cairo_status_is_error (status)) {
- status = _cairo_gl_get_program (ctx,
- setup.src.source,
- setup.mask.mask,
- CAIRO_GL_SHADER_IN_CA_SOURCE_ALPHA,
- &ca_source_alpha_program);
- if (_cairo_status_is_error (status)) {
- /* We'll fall back to fixed function instead. */
- ca_source_program = NULL;
- status = CAIRO_STATUS_SUCCESS;
- }
- } else {
- /* We'll fall back to fixed function instead. */
- status = CAIRO_STATUS_SUCCESS;
- }
+ if (_cairo_status_is_error (status))
+ goto CLEANUP;
+
+ status = _cairo_gl_get_program (ctx,
+ setup.src.source,
+ setup.mask.mask,
+ CAIRO_GL_SHADER_IN_CA_SOURCE_ALPHA,
+ &ca_source_alpha_program);
+ if (_cairo_status_is_error (status))
+ goto CLEANUP;
+
+ status = CAIRO_STATUS_SUCCESS;
_cairo_gl_set_destination (ctx, dst);
@@ -2077,16 +2080,17 @@ _cairo_gl_surface_composite (cairo_operator_t op,
setup.mask.mask = CAIRO_GL_SHADER_MASK_NONE;
}
+ /* We'll fall back to fixed function instead. */
+ setup.shader = NULL;
status = _cairo_gl_get_program (ctx,
setup.src.source,
setup.mask.mask,
CAIRO_GL_SHADER_IN_NORMAL,
&setup.shader);
- if (_cairo_status_is_error (status)) {
- /* We'll fall back to fixed function instead. */
- setup.shader = NULL;
- status = CAIRO_STATUS_SUCCESS;
- }
+ if (_cairo_status_is_error (status))
+ goto CLEANUP_SHADER;
+
+ status = CAIRO_STATUS_SUCCESS;
_cairo_gl_set_destination (ctx, dst);
_cairo_gl_set_operator (dst, op, FALSE);
@@ -2234,6 +2238,9 @@ _cairo_gl_surface_composite (cairo_operator_t op,
while ((err = glGetError ()))
fprintf (stderr, "GL error 0x%08x\n", (int) err);
+ if (vertices != vertices_stack)
+ free (vertices);
+
CLEANUP_SHADER:
_cairo_gl_operand_destroy (&setup.src);
if (mask != NULL)
@@ -2241,9 +2248,7 @@ _cairo_gl_surface_composite (cairo_operator_t op,
_cairo_gl_context_release (ctx);
- if (vertices != vertices_stack)
- free (vertices);
-
+ assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
return status;
}
@@ -2298,6 +2303,7 @@ _cairo_gl_surface_composite_trapezoids (cairo_operator_t op,
_cairo_pattern_fini (&traps_pattern.base);
+ assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
return status;
}