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Merge pull request #9535 from driver1998/gl1-gldirect

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Support GLDirect (D3D9 to OGL1.1 wrapper) in gl1 driver
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Twinaphex 2019-10-01 02:19:45 +02:00 committed by GitHub
commit b0b3abe775
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1 changed files with 25 additions and 3 deletions
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28
gfx/drivers/gl1.c
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@ -564,9 +564,31 @@ static void draw_tex(gl1_t *gl1, int pot_width, int pot_height, int width, int h
glPixelStorei(GL_UNPACK_ROW_LENGTH, pot_width);
glBindTexture(GL_TEXTURE_2D, tex);
/* TODO: We could implement red/blue swap if client GL does not support BGRA... but even MS GDI Generic supports it */
glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, pot_width, pot_height, 0, format, type, NULL);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, frame_to_copy);
/* For whatever reason you can't send NULL in GLDirect,
so we send the frame as dummy data */
glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, pot_width, pot_height, 0, format, type, frame_to_copy);
uint8_t *frame = (uint8_t*)frame_to_copy;
uint8_t *frame_rgba = NULL;
if (!gl1->supports_bgra) {
frame_rgba = (uint8_t*)malloc(pot_width * pot_height * 4);
if (frame_rgba) {
int x, y;
for (y = 0; y < pot_height; y++) {
for (x = 0; x < pot_width; x++) {
int index = (y * pot_width + x) * 4;
frame_rgba[index + 2] = frame[index + 0];
frame_rgba[index + 1] = frame[index + 1];
frame_rgba[index + 0] = frame[index + 2];
frame_rgba[index + 3] = frame[index + 3];
}
}
frame = frame_rgba;
}
}
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, frame);
free(frame_rgba);
if (tex == gl1->tex)
{