/* Time the blend area function */
void bench_blend(int n)
{
epx_pixmap_t* a;
epx_pixmap_t* b;
int i, j;
double tfsum = 0.0;
/* Bench mark blending function */
a = epx_pixmap_create(640, 480, EPX_FORMAT_ARGB);
b = epx_pixmap_create(640, 480, EPX_FORMAT_ARGB);
for (j = 0; j < n; j++) {
struct timeval t, t0, t1;
double tf;
gettimeofday(&t0, NULL);
for (i = 0; i < 100; i++) {
epx_pixmap_copy_area(a, b, 0, 0, 0, 0, 640, 480, EPX_FLAG_BLEND);
}
gettimeofday(&t1, NULL);
timersub(&t1, &t0, &t);
tf = 100.0/(t.tv_sec+(t.tv_usec/1000000.0));
// printf("BLEND: %f/s\n", tf);
tfsum += tf;
}
printf("BLEND Avg: %f/s\n", tfsum/n);
}
void bench_line(int n)
{
epx_pixmap_t* a;
epx_gc_t* gc;
int x0 = 0, x1 = 639;
int y0, y1;
int i;
double tfsum = 0.0;
gc = epx_gc_create();
a = epx_pixmap_create(640, 480, EPX_FORMAT_ARGB);
epx_gc_set_line_style(gc, EPX_FILL_STYLE_BLEND);
epx_gc_set_foreground_color(gc, epx_pixel_argb(127,100,200,150));
for (i = 0; i < n; i++) {
struct timeval t, t0, t1;
double tf;
gettimeofday(&t0, NULL);
for (y0 = 0; y0 < 480; y0++) {
y1 = 439-y0;
epx_pixmap_draw_line(a, gc, x0, y0, x1, y1);
}
gettimeofday(&t1, NULL);
timersub(&t1, &t0, &t);
tf = 480.0/(t.tv_sec+(t.tv_usec/1000000.0));
tfsum += tf;
}
printf("LINE Avg: %f/s\n", tfsum/n);
}
/* Time the blend fill area function */
void bench_blend_fill(int n)
{
epx_pixmap_t* a;
epx_gc_t* gc;
int i, j;
double tfsum = 0.0;
/* Bench mark blending function */
gc = epx_gc_create();
a = epx_pixmap_create(640, 480, EPX_FORMAT_ARGB);
epx_gc_set_fill_style(gc, EPX_FILL_STYLE_BLEND);
epx_gc_set_border_width(gc, 0);
epx_gc_set_fill_color(gc, epx_pixel_argb(127,100,200,150));
for (j = 0; j < n; j++) {
struct timeval t, t0, t1;
double tf;
gettimeofday(&t0, NULL);
for (i = 0; i < 100; i++) {
epx_pixmap_draw_rectangle(a, gc, 0, 0, 640, 480);
}
gettimeofday(&t1, NULL);
timersub(&t1, &t0, &t);
tf = 100.0/(t.tv_sec+(t.tv_usec/1000000.0));
tfsum += tf;
}
printf("BFILL: Avg: %f/s\n", tfsum/n);
}
void bench_plot1(int n,
epx_pixel_t (*src_unpack)(u_int8_t*),
void (*dst_pack)(epx_pixel_t, u_int8_t*))
{
epx_pixmap_t* a;
epx_gc_t* gc;
int j;
double tfsum = 0.0;
u_int8_t* src_ptr;
unsigned int bytesPerRow;
unsigned int bytesPerPixel;
int x, y;
/* Bench mark fill function */
gc = epx_gc_create();
a = epx_pixmap_create(640, 480, EPX_FORMAT_ARGB);
epx_gc_set_fill_style(gc, EPX_FILL_STYLE_SOLID);
epx_gc_set_border_width(gc, 0);
epx_gc_set_fill_color(gc, epx_pixel_red);
bytesPerRow = a->bytes_per_row;
bytesPerPixel = a->bytes_per_pixel;
for (j = 0; j < n; j++) {
struct timeval t, t0, t1;
double tf;
gettimeofday(&t0, NULL);
src_ptr = EPX_PIXEL_ADDR(a, 0, 0);
for (y = 0; y < 480; y++) {
u_int8_t* src1 = src_ptr;
for (x = 0; x < 640; x++) {
epx_pixel_t p;
p = src_unpack(src1);
p.a = 100; p.r = 1; p.g = 1; p.b = 1;
dst_pack(p, src1);
src1 += bytesPerPixel;
}
src_ptr += bytesPerRow;
}
gettimeofday(&t1, NULL);
timersub(&t1, &t0, &t);
tf = 100.0/(t.tv_sec+(t.tv_usec/1000000.0));
tfsum += tf;
}
printf("PLOT1 Avg: %f/s\n", tfsum/n);
}
//
// useAlpha=false make alpha channel opaque
// useAlpha=true use alpha value as is
// useClient=true make use of client stored data, assume texture data
// survive the rendering phase.
// wrap=GL_CLAMP, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_BORDER,
// GL_REPEAT or GL_MIRRORED_REPEAT
//
// Load textures formats:
// 1 - ARB_texture_non_power_of_two
// 2 - ARB_texture_rectangle (used if non normalized is request)
// 3 - GL_TEXTURE_2D (possibly scaled otherwise)
//
//
int epx_gl_load_texture(epx_pixmap_t* pic, GLuint* textureName,
int useAlpha, int useClient, GLuint wrap,
int src_x, int src_y,
unsigned int width,unsigned int height)
{
GLint tx_iformat;
GLenum tx_format;
GLenum tx_type;
float saveScale;
float saveBias;
GLenum target;
int normalized = 1;
epx_pixmap_t* pic2 = NULL;
switch(pic->pixel_format) {
case EPX_FORMAT_R8G8B8:
tx_iformat = GL_RGB8;
tx_format = GL_RGB;
tx_type = GL_UNSIGNED_BYTE;
break;
case EPX_FORMAT_565_BE:
tx_iformat = GL_RGB5;
tx_format = GL_RGB;
#if BYTE_ORDER == BIG_ENDIAN
tx_type = GL_UNSIGNED_SHORT_5_6_5;
#else
tx_type = GL_UNSIGNED_SHORT_5_6_5_REV;
#endif
break;
case EPX_FORMAT_565_LE:
tx_iformat = GL_RGB5;
tx_format = GL_RGB;
#if BYTE_ORDER == BIG_ENDIAN
tx_type = GL_UNSIGNED_SHORT_5_6_5_REV;
#else
tx_type = GL_UNSIGNED_SHORT_5_6_5;
#endif
break;
case EPX_FORMAT_B8G8R8:
tx_iformat = GL_RGB8;
tx_format = GL_BGR;
tx_type = GL_UNSIGNED_BYTE;
break;
case EPX_FORMAT_A8R8G8B8:
tx_iformat = GL_RGBA8;
tx_format = GL_BGRA_EXT;
#if BYTE_ORDER == BIG_ENDIAN
tx_type = GL_UNSIGNED_INT_8_8_8_8_REV;
#else
tx_type = GL_UNSIGNED_INT_8_8_8_8;
#endif
break;
case EPX_FORMAT_R8G8B8A8:
tx_iformat = GL_RGBA8;
tx_format = GL_RGBA;
#if BYTE_ORDER == BIG_ENDIAN
tx_type = GL_UNSIGNED_INT_8_8_8_8;
#else
tx_type = GL_UNSIGNED_INT_8_8_8_8_REV;
#endif
break;
case EPX_FORMAT_B8G8R8A8:
tx_iformat = GL_RGBA8;
tx_format = GL_BGRA;
#if BYTE_ORDER == BIG_ENDIAN
tx_type = GL_UNSIGNED_INT_8_8_8_8;
#else
tx_type = GL_UNSIGNED_INT_8_8_8_8_REV;
#endif
break;
default:
return -1; // Better error code?
}
if (*textureName == 0)
glGenTextures(1, textureName);
/* FIXME check extensions better */
if (normalized) {
#ifndef GL_ARB_texture_non_power_of_two
unsigned int width2 = nearest_pow2(width);
unsigned int height2 = nearest_pow2(height);
printf("POT: width2=%d, height2=%d\n", width2, height2);
if ((width2==0) || (height2==0))
return -1;
if ((width2 != width) || (height2 != height)) {
epx_pixmap_t* pic2 = epx_pixmap_create(width2, height2,
pic->pixel_format);
printf("POT: scale image\n");
gluScaleImage(tx_format,
width, height, tx_type, EPX_PIXEL_ADDR(pic,src_x,src_y),
width2, height2, tx_type, EPX_PIXEL_ADDR(pic2,0,0));
width = width2;
height = height2;
pic = pic2;
}
#endif
target = GL_TEXTURE_2D;
}
else {
#ifdef GL_ARB_texture_rectangle
target = GL_TEXTURE_RECTANGLE_ARB;
#endif
}
glBindTexture (target, *textureName);
glTexParameteri(target,GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(target,GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(target,GL_TEXTURE_WRAP_S, wrap);
glTexParameteri(target,GL_TEXTURE_WRAP_T, wrap);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glPixelStorei (GL_UNPACK_ROW_LENGTH,
pic->bytes_per_row/pic->bytes_per_pixel);
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
#ifdef GL_UNPACK_CLIENT_STORAGE_APPLE
if (useClient)
// This speeds processing up from 40-50 => 50-60 fps :-)
// BUT WE MUST PRESERVE THE PIXELS until next reload!!!!!!
// this is what useClient is for
glPixelStorei (GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
#endif
if (!useAlpha) {
// Do not use possibly bad alpha value
glGetFloatv(GL_ALPHA_SCALE, &saveScale);
glGetFloatv(GL_ALPHA_BIAS, &saveBias);
glPixelTransferf(GL_ALPHA_SCALE, 0.0);
glPixelTransferf(GL_ALPHA_BIAS, 1.0);
}
// FIXME Update with:
// glTexSubImage2D(target, 0, 0, 0, width, height, tx_format, tx_type,
// EPIXEL_ADDR(pic, src_x, src_y))
// but only if width & height is same as original texture
glTexImage2D (target,
0,
tx_iformat,
width,
height,
0,
tx_format,
tx_type,
EPX_PIXEL_ADDR(pic, src_x, src_y));
if (!useAlpha) {
// Reset saved values
glPixelTransferf(GL_ALPHA_SCALE, saveScale);
glPixelTransferf(GL_ALPHA_BIAS, saveBias);
}
if (pic2)
epx_pixmap_destroy(pic2);
return 0;
}
