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Voxel Viewport

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Onek8
2026-08-27 23:46:45 -07:00
parent 629cda67d7
commit 632fa533ac
1 changed files with 17 additions and 13 deletions
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30
Sources/viewport_server.cpp
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@ -461,19 +461,23 @@ void viewport_server_end_frame(void) {
g_stagingWriteIdx = writeIdx ^ 1;
}
//#elif defined(KINC_OPENGL)
// glReadPixels(0, 0, g_viewport_state.width, g_viewport_state.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
// size_t row_size = g_viewport_state.width * 4;
// for (int y = 0; y < g_viewport_state.height / 2; ++y) {
// uint8_t* row_top = pixels + y * row_size;
// uint8_t* row_bottom = pixels + (g_viewport_state.height - 1 - y) * row_size;
// for (size_t x = 0; x < row_size; ++x) {
// uint8_t temp = row_top[x];
// row_top[x] = row_bottom[x];
// row_bottom[x] = temp;
// }
// }
// memcpy(pixel_dest, pixels, pixel_size);
#elif defined(KINC_OPENGL)
glReadBuffer(GL_BACK);
glReadPixels(0, 0, g_viewport_state.width, g_viewport_state.height,
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
// OpenGL reads bottom-to-top; flip to top-to-bottom to match D3D11 convention
size_t row_size = (size_t)g_viewport_state.width * 4;
for (int y = 0; y < g_viewport_state.height / 2; ++y) {
uint8_t* row_top = pixels + y * row_size;
uint8_t* row_bottom = pixels + (g_viewport_state.height - 1 - y) * row_size;
for (size_t x = 0; x < row_size; ++x) {
uint8_t temp = row_top[x];
row_top[x] = row_bottom[x];
row_bottom[x] = temp;
}
}
memcpy(pixel_dest, pixels, pixel_size);
pixels_written = true;
#else
// other platforms use render target
if (g_viewport_state.render_target) {