X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.cpp;h=35e4ed550e07367b20a219b65d4f43d966b24da1;hb=72afc695d201f9d2a0dcb316ec62f1610db5fa74;hp=bfc65f2efe918bf0c0e988d75459d55a74023773;hpb=83e395e558735bd09d645e01b194f42f6764a503;p=nageru

diff --git a/pbo_frame_allocator.cpp b/pbo_frame_allocator.cpp
index bfc65f2..35e4ed5 100644
--- a/pbo_frame_allocator.cpp
+++ b/pbo_frame_allocator.cpp
@@ -12,8 +12,8 @@
 
 using namespace std;
 
-PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint height, size_t num_queued_frames, GLenum buffer, GLenum permissions, GLenum map_bits)
-        : buffer(buffer)
+PBOFrameAllocator::PBOFrameAllocator(bmusb::PixelFormat pixel_format, size_t frame_size, GLuint width, GLuint height, size_t num_queued_frames, GLenum buffer, GLenum permissions, GLenum map_bits)
+        : pixel_format(pixel_format), buffer(buffer)
 {
 	userdata.reset(new Userdata[num_queued_frames]);
 	for (size_t i = 0; i < num_queued_frames; ++i) {
@@ -32,27 +32,36 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 		frame.size = frame_size;
 		frame.userdata = &userdata[i];
 		userdata[i].pbo = pbo;
+		userdata[i].pixel_format = pixel_format;
 		frame.owner = this;
 
 		// 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.
-		frame.interleaved = !global_flags.ten_bit_input;
+		// 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 (global_flags.ten_bit_input) {
+		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;
@@ -67,7 +76,8 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 		userdata[i].last_has_signal = false;
 		userdata[i].last_is_connected = false;
 		for (unsigned field = 0; field < 2; ++field) {
-			if (global_flags.ten_bit_input) {
+			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
@@ -95,7 +105,9 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 					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);
@@ -121,6 +133,27 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 					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);
 			}
 		}
 
@@ -146,16 +179,25 @@ PBOFrameAllocator::~PBOFrameAllocator()
 		check_error();
 		glDeleteBuffers(1, &pbo);
 		check_error();
-		if (global_flags.ten_bit_input) {
+		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);
 		}
 	}
 }