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minor update

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This commit is contained in:
Blaise Tine 2021-04-02 04:23:30 -04:00
parent 8add5efe66
commit f6d210b67a
8 changed files with 505 additions and 516 deletions
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7
driver/tests/tex_demo/color.h
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@ -62,10 +62,7 @@ struct ColorARGB {
this->value = rhs.value;
}
uint32_t toRGBA() const {
// swap B/R channels
return (this->value & 0xff00ff00)
| ((this->value >> 16) & 0xff)
| ((this->value & 0xff) << 16);
operator uint32_t() const {
return this->value;
}
};

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driver/tests/tex_demo/demo
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driver/tests/tex_demo/kernel.bin
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3
driver/tests/tex_demo/kernel.c
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@ -20,11 +20,10 @@ void kernel_body(int task_id, void* arg) {
uint32_t yoffset = task_id * _arg->tile_height;
uint8_t* dst_ptr = (uint8_t*)(_arg->karg.dst_ptr + xoffset * _arg->karg.dst_stride + yoffset * _arg->karg.dst_pitch);
float fu = xoffset * _arg->deltaX;
float fv = yoffset * _arg->deltaY;
for (uint32_t y = 0; y < _arg->tile_height; ++y) {
uint32_t* dst_row = (uint32_t*)dst_ptr;
float fu = xoffset * _arg->deltaX;
for (uint32_t x = 0; x < _arg->tile_width; ++x) {
int32_t u = (int32_t)(fu * (1<<20));
int32_t v = (int32_t)(fv * (1<<20));

989
driver/tests/tex_demo/kernel.dump
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driver/tests/tex_demo/kernel.elf
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driver/tests/tex_demo/palette64.tga
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22
driver/tests/tex_demo/utils.cpp
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@ -81,7 +81,7 @@ int LoadTGA(const char *filename,
default:
std::abort();
}
*dst_bytes++ = color.toRGBA();
*dst_bytes++ = color;
}
break;
}
@ -108,6 +108,11 @@ int SaveTGA(const char *filename,
return -1;
}
if (bpp < 2 || bpp > 4) {
std::cerr << "unsupported pixel stride: " << bpp << "!" << std::endl;
return -1;
}
tga_header_t header;
header.idlength = 0;
header.colormaptype = 0; // no palette
@ -131,20 +136,7 @@ int SaveTGA(const char *filename,
for (uint32_t y = 0; y < height; ++y) {
const uint8_t* pixel_row = pixel_bytes;
for (uint32_t x = 0; x < width; ++x) {
// swap R/B color channels
if (bpp == 4) {
ofs.write((const char*)pixel_row + 2, 1);
ofs.write((const char*)pixel_row + 1, 1);
ofs.write((const char*)pixel_row + 0, 1);
ofs.write((const char*)pixel_row + 3, 1);
} else if (bpp == 3) {
ofs.write((const char*)pixel_row + 2, 1);
ofs.write((const char*)pixel_row + 1, 1);
ofs.write((const char*)pixel_row + 0, 1);
} else{
std::cerr << "unsupported TGA bitsperpixel!" << std::endl;
return -1;
}
ofs.write((const char*)pixel_row, bpp);
pixel_row += bpp;
}
pixel_bytes -= pitch;