X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.cpp;h=385ca237d94364e48d834271fe2eabf82072c2c1;hb=e7042ad94ffec1505feaf7f8c5a265b2165957a0;hp=317c762a70575e9307b4c6a52c1e55aa59cb4304;hpb=4d288e59bea313bbc2369eaad5cfdfb28bbcd960;p=nageru

diff --git a/mixer.cpp b/mixer.cpp
index 317c762..385ca23 100644
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -124,7 +124,11 @@ void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned f
 		case bmusb::PixelFormat_8BitRGBA:
 			glBindTexture(GL_TEXTURE_2D, userdata->tex_rgba[field]);
 			check_error();
-			glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+			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_RGBA, GL_UNSIGNED_BYTE, nullptr);
+			} else {
+				glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+			}
 			check_error();
 			break;
 		}
@@ -206,6 +210,9 @@ Mixer::Mixer(const QSurfaceFormat &format, unsigned num_cards)
 	CHECK(init_movit(MOVIT_SHADER_DIR, MOVIT_DEBUG_OFF));
 	check_error();
 
+	// This nearly always should be true.
+	global_flags.can_disable_srgb_decoder = epoxy_has_gl_extension("GL_EXT_texture_sRGB_decode");
+
 	// Since we allow non-bouncing 4:2:2 YCbCrInputs, effective subpixel precision
 	// will be halved when sampling them, and we need to compensate here.
 	movit_texel_subpixel_precision /= 2.0;