X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.cpp;h=1c370b4266d4f09609a8d657d1f8bda86fa1d85b;hb=538aa2fb443b25f34feafb4a50bb52206f7fe79c;hp=5f9d1bda9b659cc929c998bb37b274dbe1009ad8;hpb=956a923ae947b58a21ed08ba5d30700633608468;p=nageru

diff --git a/pbo_frame_allocator.cpp b/pbo_frame_allocator.cpp
index 5f9d1bd..1c370b4 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>
@@ -38,6 +39,10 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 		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();
 
@@ -47,6 +52,10 @@ PBOFrameAllocator::PBOFrameAllocator(size_t frame_size, GLuint width, GLuint hei
 		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();
 
@@ -95,11 +104,16 @@ 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;