#include <stdio.h>
#include <cstddef>
+#include "flags.h"
#include "v210_converter.h"
using namespace std;
// For 8-bit Y'CbCr, we ask the driver to split Y' and Cb/Cr
// into separate textures. For 10-bit, the input format (v210)
// is complicated enough that we need to interpolate up to 4:4:4,
- // which we do in a compute shader ourselves.
+ // which we do in a compute shader ourselves. For BGRA, the data
+ // is already 4:4:4:4.
frame.interleaved = (pixel_format == bmusb::PixelFormat_8BitYCbCr);
// Create textures. We don't allocate any data for the second field at this point
// (just create the texture state with the samplers), since our default assumed
// resolution is progressive.
- if (pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ switch (pixel_format) {
+ case bmusb::PixelFormat_8BitYCbCr:
+ glGenTextures(2, userdata[i].tex_y);
+ check_error();
+ glGenTextures(2, userdata[i].tex_cbcr);
+ check_error();
+ break;
+ case bmusb::PixelFormat_10BitYCbCr:
glGenTextures(2, userdata[i].tex_v210);
check_error();
glGenTextures(2, userdata[i].tex_444);
check_error();
- } else {
- glGenTextures(2, userdata[i].tex_y);
- check_error();
- glGenTextures(2, userdata[i].tex_cbcr);
+ break;
+ case bmusb::PixelFormat_8BitBGRA:
+ glGenTextures(2, userdata[i].tex_rgba);
check_error();
+ break;
}
userdata[i].last_width[0] = width;
userdata[i].last_has_signal = false;
userdata[i].last_is_connected = false;
for (unsigned field = 0; field < 2; ++field) {
- if (pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ switch (pixel_format) {
+ case bmusb::PixelFormat_10BitYCbCr: {
const size_t v210_width = v210Converter::get_minimum_v210_texture_width(width);
// Seemingly we need to set the minification filter even though
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB10_A2, width, height, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, NULL);
check_error();
}
- } else {
+ break;
+ }
+ case bmusb::PixelFormat_8BitYCbCr:
glBindTexture(GL_TEXTURE_2D, userdata[i].tex_y[field]);
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, width / 2, height, 0, GL_RG, GL_UNSIGNED_BYTE, NULL);
check_error();
}
+ break;
+ case bmusb::PixelFormat_8BitBGRA:
+ glBindTexture(GL_TEXTURE_2D, userdata[i].tex_rgba[field]);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ check_error();
+ if (field == 0) {
+ if (global_flags.can_disable_srgb_decoder) { // See the comments in tweaked_inputs.h.
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB8_ALPHA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
+ } else {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
+ }
+ check_error();
+ }
+ break;
+ default:
+ assert(false);
}
}
check_error();
glDeleteBuffers(1, &pbo);
check_error();
- if (pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ switch (pixel_format) {
+ case bmusb::PixelFormat_10BitYCbCr:
glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_v210);
check_error();
glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_444);
check_error();
- } else {
+ break;
+ case bmusb::PixelFormat_8BitYCbCr:
glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_y);
check_error();
glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_cbcr);
check_error();
+ break;
+ case bmusb::PixelFormat_8BitBGRA:
+ glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_rgba);
+ check_error();
+ break;
+ default:
+ assert(false);
}
}
}