-typedef struct _RendererClutterShaderInfo RendererClutterShaderInfo;
-struct _RendererClutterShaderInfo {
- float checkersize;
- float checkercolor0[3];
- float checkercolor1[3];
-};
-
-#define CLUT_SIZE 32
-
-static void rc_set_shader(CoglHandle material, const RendererClutterShaderInfo *shaderInfo)
-{
- CoglHandle shader;
- CoglHandle program;
- gint uniform_no;
-
- shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
- cogl_shader_source (shader,
- "vec3 checker(vec2 texc, vec3 color0, vec3 color1) \n"
- "{ \n"
- " if (mod(floor(texc.x) + floor(texc.y), 2.0) == 0.0) \n"
- " return color0; \n"
- " else \n"
- " return color1; \n"
- "} \n"
- " \n"
- "uniform sampler2D tex; \n"
- "uniform sampler3D clut; \n"
- "uniform float scale; \n"
- "uniform float offset; \n"
- "uniform float checkersize; \n"
- "uniform vec3 color0; \n"
- "uniform vec3 color1; \n"
- " \n"
- "void main(void) \n"
- "{ \n"
- " vec3 bg = checker(gl_FragCoord.xy / checkersize, color0, color1); \n"
- " vec4 img4 = texture2D(tex, gl_TexCoord[0].xy); \n"
- " vec3 img3 = img4.bgr; \n"
- " img3 = img3 * scale + offset; \n"
- " img3 = texture3D(clut, img3).rgb; \n"
- " \n"
- " gl_FragColor = vec4(img3 * img4.a + bg * (1.0 - img4.a), 1.0); \n"
- "} \n"
- );
- cogl_shader_compile(shader);
- gchar *err = cogl_shader_get_info_log(shader);
- DEBUG_3("%s\n",err);
- g_free(err);
-
- program = cogl_create_program ();
- cogl_program_attach_shader (program, shader);
- cogl_handle_unref (shader);
- cogl_program_link (program);
-
- uniform_no = cogl_program_get_uniform_location (program, "tex");
- cogl_program_set_uniform_1i (program, uniform_no, 0);
-
- uniform_no = cogl_program_get_uniform_location (program, "clut");
- cogl_program_set_uniform_1i (program, uniform_no, 1);
-
- uniform_no = cogl_program_get_uniform_location (program, "scale");
- cogl_program_set_uniform_1f (program, uniform_no, (double) (CLUT_SIZE - 1) / CLUT_SIZE);
-
- uniform_no = cogl_program_get_uniform_location (program, "offset");
- cogl_program_set_uniform_1f (program, uniform_no, 1.0 / (2 * CLUT_SIZE));
-
- uniform_no = cogl_program_get_uniform_location (program, "checkersize");
- cogl_program_set_uniform_1f (program, uniform_no, shaderInfo->checkersize);
-
- uniform_no = cogl_program_get_uniform_location (program, "color0");
- cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor0);
-
- uniform_no = cogl_program_get_uniform_location (program, "color1");
- cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor1);
-
- cogl_material_set_user_program (material, program);
- cogl_handle_unref (program);
-}
-
-
-static void rc_prepare_post_process_lut(RendererClutter *rc)
-{
- PixbufRenderer *pr = rc->pr;
- static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3];
- guint r, g, b;
- GdkPixbuf *tmp_pixbuf;
- CoglHandle material;
- CoglHandle tex3d;
-
- return; //FIXME
-
- //~ DEBUG_3("%s clut start", get_exec_time());
-
- //~ for (r = 0; r < CLUT_SIZE; r++)
- //~ {
- //~ for (g = 0; g < CLUT_SIZE; g++)
- //~ {
- //~ for (b = 0; b < CLUT_SIZE; b++)
- //~ {
- //~ guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3;
- //~ ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5);
- //~ ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5);
- //~ ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5);
- //~ }
- //~ }
- //~ }
- //~ tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8,
- //~ CLUT_SIZE * CLUT_SIZE,
- //~ CLUT_SIZE,
- //~ CLUT_SIZE * CLUT_SIZE * 3,
- //~ NULL, NULL);
- //~ if (pr->func_post_process)
- //~ {
- //~ pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data);
- //~ }
- //~ g_object_unref(tmp_pixbuf);
-
- //~ DEBUG_3("%s clut upload start", get_exec_time());
-//~ #if COGL_VERSION_CHECK(1,18,2)
- //~ {
- //~ CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
-
- //~ tex3d = cogl_texture_3d_new_from_data(ctx,
- //~ CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
- //~ COGL_PIXEL_FORMAT_RGB_888,
- //~ CLUT_SIZE * 3,
- //~ CLUT_SIZE * CLUT_SIZE * 3,
- //~ clut,
- //~ NULL);
- //~ }
-//~ #elif COGL_VERSION_CHECK(1,10,4)
- //~ {
- //~ CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
-
- //~ tex3d = cogl_texture_3d_new_from_data(ctx,
- //~ CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
- //~ COGL_PIXEL_FORMAT_RGB_888,
- //~ COGL_PIXEL_FORMAT_RGB_888,
- //~ CLUT_SIZE * 3,
- //~ CLUT_SIZE * CLUT_SIZE * 3,
- //~ clut,
- //~ NULL);
- //~ }
-//~ #else
- //~ tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
- //~ COGL_TEXTURE_NONE,
- //~ COGL_PIXEL_FORMAT_RGB_888,
- //~ COGL_PIXEL_FORMAT_RGB_888,
- //~ CLUT_SIZE * 3,
- //~ CLUT_SIZE * CLUT_SIZE * 3,
- //~ clut,
- //~ NULL);
-//~ #endif
- //~ material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture));
- //~ cogl_material_set_layer(material, 1, tex3d);
- //~ cogl_handle_unref(tex3d);
- //~ DEBUG_3("%s clut end", get_exec_time());
- //~ rc->clut_updated = TRUE;
-}
-
-
-