X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.cpp;h=613506dcb61b1eb16c4bdc92dbdf88141a95db39;hb=4c29d493f13f39fc6f6b07677a4744b8586a3c1d;hp=1018403c88da24c0128db4ac919d5e5c5b71f3d0;hpb=d147175aaa3e5abfe271940c4518e9ef8dbbc932;p=nageru

diff --git a/pbo_frame_allocator.cpp b/pbo_frame_allocator.cpp
index 1018403..613506d 100644
--- a/pbo_frame_allocator.cpp
+++ b/pbo_frame_allocator.cpp
@@ -1,5 +1,6 @@
 #include "pbo_frame_allocator.h"
 
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <cstddef>
@@ -8,9 +9,10 @@
 
 using namespace std;
 
-PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, size_t num_queued_frames, GLenum buffer, GLenum permissions, GLenum map_bits)
+PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint height, size_t num_queued_frames, GLenum buffer, GLenum permissions, GLenum map_bits)
         : frame_size(frame_size), buffer(buffer)
 {
+	userdata.reset(new Userdata[num_queued_frames]);
 	for (size_t i = 0; i < num_queued_frames; ++i) {
 		GLuint pbo;
 		glGenBuffers(1, &pbo);
@@ -25,13 +27,47 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, size_t num_queued_frames
 		frame.data2 = frame.data + frame_size / 2;
 		check_error();
 		frame.size = frame_size;
-		frame.userdata = (void *)(intptr_t)pbo;
+		frame.userdata = &userdata[i];
+		userdata[i].pbo = pbo;
 		frame.owner = this;
 		frame.interleaved = true;
+
+		// Create textures.
+		glGenTextures(1, &userdata[i].tex_y);
+		check_error();
+		glBindTexture(GL_TEXTURE_2D, userdata[i].tex_y);
+		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();
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
+		check_error();
+
+		glGenTextures(1, &userdata[i].tex_cbcr);
+		check_error();
+		glBindTexture(GL_TEXTURE_2D, userdata[i].tex_cbcr);
+		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();
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, width / 2, height, 0, GL_RG, GL_UNSIGNED_BYTE, NULL);
+		check_error();
+
+		userdata[i].last_width = width;
+		userdata[i].last_height = height;
+
 		freelist.push(frame);
 	}
 	glBindBuffer(buffer, 0);
 	check_error();
+	glBindTexture(GL_TEXTURE_2D, 0);
+	check_error();
 }
 
 PBOFrameAllocator::~PBOFrameAllocator()
@@ -39,7 +75,7 @@ PBOFrameAllocator::~PBOFrameAllocator()
 	while (!freelist.empty()) {
 		Frame frame = freelist.front();
 		freelist.pop();
-		GLuint pbo = (intptr_t)frame.userdata;
+		GLuint pbo = ((Userdata *)frame.userdata)->pbo;
 		glBindBuffer(buffer, pbo);
 		check_error();
 		glUnmapBuffer(buffer);
@@ -47,6 +83,13 @@ PBOFrameAllocator::~PBOFrameAllocator()
 		glBindBuffer(buffer, 0);
 		check_error();
 		glDeleteBuffers(1, &pbo);
+		check_error();
+		GLuint tex_y = ((Userdata *)frame.userdata)->tex_y;
+		glDeleteTextures(1, &tex_y);
+		check_error();
+		GLuint tex_cbcr = ((Userdata *)frame.userdata)->tex_cbcr;
+		glDeleteTextures(1, &tex_cbcr);
+		check_error();
 	}
 }
 //static int sumsum = 0;
@@ -64,11 +107,16 @@ FrameAllocator::Frame PBOFrameAllocator::alloc_frame()
 		freelist.pop();  // Meh.
 	}
 	vf.len = 0;
+	vf.overflow = 0;
 	return vf;
 }
 
 void PBOFrameAllocator::release_frame(Frame frame)
 {
+	if (frame.overflow > 0) {
+		printf("%d bytes overflow after last (PBO) frame\n", int(frame.overflow));
+	}
+
 	std::unique_lock<std::mutex> lock(freelist_mutex);
 	freelist.push(frame);
 	//--sumsum;