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Font colors for XVideo. Some cleanups.

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This commit is contained in:
Themaister 2011-09-06 17:56:42 +02:00
parent 2bd0caae2e
commit 1b0ef5793e
1 changed files with 101 additions and 46 deletions
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147
gfx/xvideo.c
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@ -63,11 +63,17 @@ struct xv
uint8_t *ytable;
uint8_t *utable;
uint8_t *vtable;
unsigned luma_i;
unsigned chroma_i;
#ifdef HAVE_FREETYPE
font_renderer_t *font;
unsigned luma_index[2];
unsigned chroma_u_index;
unsigned chroma_v_index;
uint8_t font_y;
uint8_t font_u;
uint8_t font_v;
#endif
void (*render_func)(xv_t*, const void *frame, unsigned width, unsigned height, unsigned pitch);
@ -89,6 +95,17 @@ static void sighandler(int sig)
g_quit = 1;
}
static inline void calculate_yuv(uint8_t *y, uint8_t *u, uint8_t *v, unsigned r, unsigned g, unsigned b)
{
int y_ = (int)(+((double)r * 0.257) + ((double)g * 0.504) + ((double)b * 0.098) + 16.0);
int u_ = (int)(-((double)r * 0.148) - ((double)g * 0.291) + ((double)b * 0.439) + 128.0);
int v_ = (int)(+((double)r * 0.439) - ((double)g * 0.368) - ((double)b * 0.071) + 128.0);
*y = y_ < 0 ? 0 : (y_ > 255 ? 255 : y_);
*u = y_ < 0 ? 0 : (u_ > 255 ? 255 : u_);
*v = v_ < 0 ? 0 : (v_ > 255 ? 255 : v_);
}
static void init_yuv_tables(xv_t *xv)
{
xv->ytable = malloc(0x8000);
@ -98,18 +115,12 @@ static void init_yuv_tables(xv_t *xv)
for (unsigned i = 0; i < 0x8000; i++)
{
// Extract RGB555 color data from i
uint8_t r = (i >> 10) & 0x1F, g = (i >> 5) & 0x1F, b = (i) & 0x1F;
r = (r << 3) | (r >> 2); //R5->R8
g = (g << 3) | (g >> 2); //G5->G8
b = (b << 3) | (b >> 2); //B5->B8
unsigned r = (i >> 10) & 0x1F, g = (i >> 5) & 0x1F, b = (i) & 0x1F;
r = (r << 3) | (r >> 2); // R5->R8
g = (g << 3) | (g >> 2); // G5->G8
b = (b << 3) | (b >> 2); // B5->B8
int y = (int)(+((double)r * 0.257) + ((double)g * 0.504) + ((double)b * 0.098) + 16.0);
int u = (int)(-((double)r * 0.148) - ((double)g * 0.291) + ((double)b * 0.439) + 128.0);
int v = (int)(+((double)r * 0.439) - ((double)g * 0.368) - ((double)b * 0.071) + 128.0);
xv->ytable[i] = y < 0 ? 0 : y > 255 ? 255 : y;
xv->utable[i] = u < 0 ? 0 : u > 255 ? 255 : u;
xv->vtable[i] = v < 0 ? 0 : v > 255 ? 255 : v;
calculate_yuv(&xv->ytable[i], &xv->utable[i], &xv->vtable[i], r, g, b);
}
}
@ -176,7 +187,19 @@ static void xv_init_font(xv_t *xv, const char *font_path, unsigned font_size)
if (*font_path)
{
xv->font = font_renderer_new(font_path, font_size);
if (!xv->font)
if (xv->font)
{
int r = g_settings.video.msg_color_r * 255;
r = (r < 0 ? 0 : (r > 255 ? 255 : r));
int g = g_settings.video.msg_color_g * 255;
g = (g < 0 ? 0 : (g > 255 ? 255 : g));
int b = g_settings.video.msg_color_b * 255;
b = (b < 0 ? 0 : (b > 255 ? 255 : b));
calculate_yuv(&xv->font_y, &xv->font_u, &xv->font_v,
r, g, b);
}
else
SSNES_WARN("Failed to init font.\n");
}
#endif
@ -297,7 +320,6 @@ static void render32_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned
}
}
static void* xv_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
xv_t *xv = calloc(1, sizeof(*xv));
@ -399,29 +421,43 @@ static void* xv_init(const video_info_t *video, const input_driver_t **input, vo
has_format = true;
xv->fourcc = format[i].id;
xv->render_func = video->rgb32 ? render32_yuy2 : render16_yuy2;
xv->luma_i = 0; xv->chroma_i = 1;
#ifdef HAVE_FREETYPE
xv->luma_index[0] = 0;
xv->luma_index[1] = 2;
xv->chroma_u_index = 1;
xv->chroma_v_index = 3;
#endif
break;
}
}
}
if (!has_format) for (int i = 0; i < format_count; i++)
if (!has_format)
{
if (format[i].type == XvYUV && format[i].bits_per_pixel == 16 && format[i].format == XvPacked)
for (int i = 0; i < format_count; i++)
{
if (format[i].component_order[0] == 'U' && format[i].component_order[1] == 'Y'
&& format[i].component_order[2] == 'V' && format[i].component_order[3] == 'Y')
if (format[i].type == XvYUV && format[i].bits_per_pixel == 16 && format[i].format == XvPacked)
{
has_format = true;
xv->fourcc = format[i].id;
xv->render_func = video->rgb32 ? render32_uyvy : render16_uyvy;
xv->chroma_i = 0; xv->luma_i = 1;
break;
if (format[i].component_order[0] == 'U' && format[i].component_order[1] == 'Y'
&& format[i].component_order[2] == 'V' && format[i].component_order[3] == 'Y')
{
has_format = true;
xv->fourcc = format[i].id;
xv->render_func = video->rgb32 ? render32_uyvy : render16_uyvy;
#ifdef HAVE_FREETYPE
xv->luma_index[0] = 1;
xv->luma_index[1] = 3;
xv->chroma_u_index = 0;
xv->chroma_v_index = 2;
#endif
break;
}
}
}
}
free(format);
if (!has_format)
{
@ -466,8 +502,6 @@ static void* xv_init(const video_info_t *video, const input_driver_t **input, vo
xv_set_nonblock_state(xv, !video->vsync);
xv->focus = true;
xv_init_font(xv, g_settings.video.font_path, g_settings.video.font_size);
void *xinput = input_x.init();
if (xinput)
{
@ -478,6 +512,8 @@ static void* xv_init(const video_info_t *video, const input_driver_t **input, vo
*input = NULL;
init_yuv_tables(xv);
xv_init_font(xv, g_settings.video.font_path, g_settings.video.font_size);
return xv;
error:
@ -561,6 +597,7 @@ static void calc_out_rect(bool keep_aspect, unsigned *x, unsigned *y, unsigned *
}
// TODO: Is there some way to render directly like GL? :(
// Hacky C code is hacky :D Yay.
static void xv_render_msg(xv_t *xv, const char *msg, unsigned width, unsigned height)
{
#ifdef HAVE_FREETYPE
@ -574,12 +611,17 @@ static void xv_render_msg(xv_t *xv, const char *msg, unsigned width, unsigned he
int _base_x = g_settings.video.msg_pos_x * width;
int _base_y = height - g_settings.video.msg_pos_y * height;
unsigned luma_i = xv->luma_i;
unsigned chroma_i = xv->chroma_i;
unsigned luma_index[2] = { xv->luma_index[0], xv->luma_index[1] };
unsigned chroma_u_index = xv->chroma_u_index;
unsigned chroma_v_index = xv->chroma_v_index;
unsigned pitch = width << 1; // YUV formats used are 16 bpp.
while (head)
{
int base_x = _base_x + head->off_x;
int base_x = (_base_x + head->off_x) << 1;
base_x &= ~3; // Make sure we always start on the correct boundary so the indices are correct.
int base_y = _base_y - head->off_y;
if (base_y >= 0)
{
@ -588,21 +630,33 @@ static void xv_render_msg(xv_t *xv, const char *msg, unsigned width, unsigned he
if (base_x < 0)
continue;
const uint8_t *a = head->output + head->pitch * y;
uint8_t *out = (uint8_t*)xv->image->data + (base_y - head->height + y) * (width << 1) + (base_x << 1);
const uint8_t * restrict a = head->output + head->pitch * y;
uint8_t * restrict out = (uint8_t*)xv->image->data + (base_y - head->height + y) * pitch + base_x;
for (int x = 0; x < (head->width << 1) && (base_x + x) < width; x += 2)
for (int x = 0; x < (head->width << 1) && (base_x + x) < pitch; x += 4)
{
// Blend luma
uint8_t blend = a[x >> 1];
unsigned blended = blend + (((256 - blend) * (unsigned)out[x + luma_i]) >> 8);
blended = blended > 255 ? 255 : blended;
out[x + luma_i] = blended;
unsigned alpha[2];
alpha[0] = a[(x >> 1) + 0];
// Blend chroma
blended = (128 * blend + ((256 - blend) * (unsigned)out[x + chroma_i])) >> 8;
blended = blended > 255 ? 255 : blended;
out[x + chroma_i] = blended;
if (((x >> 1) + 1) == head->width) // We reached the end, uhoh! Branching like a BOSS! :D
alpha[1] = 0;
else
alpha[1] = a[(x >> 1) + 1];
unsigned alpha_sub = (alpha[0] + alpha[1]) >> 1; // Blended alpha for the sub-samples U/V channels.
for (unsigned i = 0; i < 2; i++)
{
unsigned blended = (xv->font_y * alpha[i] + ((256 - alpha[i]) * out[x + luma_index[i]])) >> 8;
out[x + luma_index[i]] = blended;
}
// Blend chroma channels
unsigned blended = (xv->font_u * alpha_sub + ((256 - alpha_sub) * out[x + chroma_u_index])) >> 8;
out[x + chroma_u_index] = blended;
blended = (xv->font_v * alpha_sub + ((256 - alpha_sub) * out[x + chroma_v_index])) >> 8;
out[x + chroma_v_index] = blended;
}
}
}
@ -630,11 +684,12 @@ static bool xv_frame(void *data, const void* frame, unsigned width, unsigned hei
XGetWindowAttributes(xv->display, xv->window, &target);
xv->render_func(xv, frame, width, height, pitch);
if (msg)
xv_render_msg(xv, msg, xv->width, xv->height);
unsigned x, y, owidth, oheight;
calc_out_rect(xv->keep_aspect, &x, &y, &owidth, &oheight, target.width, target.height);
if (msg)
xv_render_msg(xv, msg, width << 1, height << 1);
XvShmPutImage(xv->display, xv->port, xv->window, xv->gc, xv->image,
0, 0, width << 1, height << 1,
x, y, owidth, oheight,