26 static void read_pixel(const surface_t* s, context_t* c,
28 static void write_pixel(const surface_t* s, context_t* c,
30 static void readRGB565(const surface_t* s, context_t* c,
32 static void readABGR8888(const surface_t* s, context_t* c,
35 static uint32_t logic_op(int op, uint32_t s, uint32_t d);
73 static void pick_read_write(surface_t* s)  in pick_read_write()  argument
76     switch (s->format) {  in pick_read_write()
77         case GGL_PIXEL_FORMAT_RGBA_8888:    s->read = readABGR8888;  break;  in pick_read_write()
78         case GGL_PIXEL_FORMAT_RGB_565:      s->read = readRGB565;    break;  in pick_read_write()
79         default:                            s->read = read_pixel;    break;  in pick_read_write()
81     s->write = write_pixel;  in pick_read_write()
87         surface_t& s = c->state.texture[i].surface;  in ggl_pick_texture()  local
88         if ((!c->state.texture[i].enable) || (!s.dirty))  in ggl_pick_texture()
90         s.dirty = 0;  in ggl_pick_texture()
91         pick_read_write(&s);  in ggl_pick_texture()
93         gen.width   = s.width;  in ggl_pick_texture()
94         gen.height  = s.height;  in ggl_pick_texture()
95         gen.stride  = s.stride;  in ggl_pick_texture()
96         gen.data    = uintptr_t(s.data);  in ggl_pick_texture()
102     surface_t& s = c->state.buffers.color;  in ggl_pick_cb()  local
103     if (s.dirty) {  in ggl_pick_cb()
104         s.dirty = 0;  in ggl_pick_cb()
105         pick_read_write(&s);  in ggl_pick_cb()
111 void read_pixel(const surface_t* s, context_t* c,  in read_pixel()  argument
114     assert((x < s->width) && (y < s->height));  in read_pixel()
116     const GGLFormat* f = &(c->formats[s->format]);  in read_pixel()
117     int32_t index = x + (s->stride * y);  in read_pixel()
118     uint8_t* const data = s->data + index * f->size;  in read_pixel()
127         pixel->s[i] = f->c[i].h - f->c[i].l;  in read_pixel()
128         if (pixel->s[i])  in read_pixel()
133 void readRGB565(const surface_t* s, context_t* /*c*/,  in readRGB565()  argument
136     uint16_t v = *(reinterpret_cast<uint16_t*>(s->data) + (x + (s->stride * y)));  in readRGB565()
141     pixel->s[0] = 0;  in readRGB565()
142     pixel->s[1] = 5;  in readRGB565()
143     pixel->s[2] = 6;  in readRGB565()
144     pixel->s[3] = 5;  in readRGB565()
147 void readABGR8888(const surface_t* s, context_t* /*c*/,  in readABGR8888()  argument
150     uint32_t v = *(reinterpret_cast<uint32_t*>(s->data) + (x + (s->stride * y)));  in readABGR8888()
156     pixel->s[0] =   in readABGR8888()
157     pixel->s[1] =   in readABGR8888()
158     pixel->s[2] =   in readABGR8888()
159     pixel->s[3] = 8;  in readABGR8888()
162 void write_pixel(const surface_t* s, context_t* c,  in write_pixel()  argument
165     assert((x < s->width) && (y < s->height));  in write_pixel()
173     const GGLFormat* f = &(c->formats[s->format]);  in write_pixel()
174     int32_t index = x + (s->stride * y);  in write_pixel()
175     uint8_t* const data = s->data + index * f->size;  in write_pixel()
191             int32_t pixelSize = pixel->s[i];  in write_pixel()
228 static uint32_t logic_op(int op, uint32_t s, uint32_t d)  in logic_op()  argument
232     case GGL_AND:           return s & d;  in logic_op()
233     case GGL_AND_REVERSE:   return s & ~d;  in logic_op()
234     case GGL_COPY:          return s;  in logic_op()
235     case GGL_AND_INVERTED:  return ~s & d;  in logic_op()
237     case GGL_XOR:           return s ^ d;  in logic_op()
238     case GGL_OR:            return s | d;  in logic_op()
239     case GGL_NOR:           return ~(s | d);  in logic_op()
240     case GGL_EQUIV:         return ~(s ^ d);  in logic_op()
242     case GGL_OR_REVERSE:    return s | ~d;  in logic_op()
243     case GGL_COPY_INVERTED: return ~s;  in logic_op()
244     case GGL_OR_INVERTED:   return ~s | d;  in logic_op()
245     case GGL_NAND:          return ~(s & d);  in logic_op()
248     return s;  in logic_op()