Remove unused code

3 files changed, 51 insertions, 385 deletions

diff --git a/src/capture/xcomposite_cuda.c b/src/capture/xcomposite_cuda.c
index fd140c6..7280835 100644
--- a/src/capture/xcomposite_cuda.c
+++ b/src/capture/xcomposite_cuda.c
@@ -3,7 +3,6 @@
 #include "../../include/cuda.h"
 #include "../../include/window_texture.h"
 #include "../../include/time.h"
-#include <X11/extensions/Xcomposite.h>
 #include <libavutil/hwcontext.h>
 #include <libavutil/hwcontext_cuda.h>
 #include <libavutil/frame.h>
diff --git a/src/capture/xcomposite_drm.c b/src/capture/xcomposite_drm.c
index 489fc45..0f8115f 100644
--- a/src/capture/xcomposite_drm.c
+++ b/src/capture/xcomposite_drm.c
@@ -6,12 +6,10 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <X11/Xlib.h>
-#include <X11/extensions/Xcomposite.h>
 #include <libavutil/hwcontext.h>
 #include <libavutil/hwcontext_vaapi.h>
 #include <libavutil/frame.h>
 #include <libavcodec/avcodec.h>
-//#include <drm_fourcc.h>
 #include <assert.h>
 /* TODO: Proper error checks and cleanups */
 
@@ -31,18 +29,11 @@ typedef struct {
     gsr_egl egl;
     gsr_vaapi vaapi;
 
-    int fourcc;
-    int num_planes;
-    uint64_t modifiers;
-    int dmabuf_fd;
-    int32_t stride;
-    int32_t offset;
-
     unsigned int target_textures[2];
 
-    unsigned int FramebufferNameY;
-    unsigned int FramebufferNameUV; // TODO: Remove
-    unsigned int quadVAO;
+    unsigned int framebuffer_y;
+    unsigned int framebuffer_uv;
+    unsigned int vao;
 
     unsigned int shader_y;
     unsigned int shader_uv;
@@ -54,12 +45,7 @@ static int max_int(int a, int b) {
     return a > b ? a : b;
 }
 
-static int min_int(int a, int b) {
-    return a < b ? a : b;
-}
-
 static bool drm_create_codec_context(gsr_capture_xcomposite_drm *cap_xcomp, AVCodecContext *video_codec_context) {
-    // TODO: "/dev/dri/card0"
     AVBufferRef *device_ctx;
     if(av_hwdevice_ctx_create(&device_ctx, AV_HWDEVICE_TYPE_VAAPI, "/dev/dri/card0", NULL, 0) < 0) {
         fprintf(stderr, "Error: Failed to create hardware device context\n");
@@ -77,7 +63,7 @@ static bool drm_create_codec_context(gsr_capture_xcomposite_drm *cap_xcomp, AVCo
         (AVHWFramesContext *)frame_context->data;
     hw_frame_context->width = video_codec_context->width;
     hw_frame_context->height = video_codec_context->height;
-    hw_frame_context->sw_format = AV_PIX_FMT_NV12;//AV_PIX_FMT_0RGB32;//AV_PIX_FMT_YUV420P;//AV_PIX_FMT_0RGB32;//AV_PIX_FMT_NV12;
+    hw_frame_context->sw_format = AV_PIX_FMT_NV12;
     hw_frame_context->format = video_codec_context->pix_fmt;
     hw_frame_context->device_ref = device_ctx;
     hw_frame_context->device_ctx = (AVHWDeviceContext*)device_ctx->data;
@@ -88,8 +74,7 @@ static bool drm_create_codec_context(gsr_capture_xcomposite_drm *cap_xcomp, AVCo
     cap_xcomp->va_dpy = vactx->display;
 
     if (av_hwframe_ctx_init(frame_context) < 0) {
-        fprintf(stderr, "Error: Failed to initialize hardware frame context "
-                        "(note: ffmpeg version needs to be > 4.0)\n");
+        fprintf(stderr, "Error: Failed to initialize hardware frame context (note: ffmpeg version needs to be > 4.0)\n");
         av_buffer_unref(&device_ctx);
         //av_buffer_unref(&frame_context);
         return false;
@@ -221,131 +206,34 @@ unsigned int esLoadProgram ( gsr_capture_xcomposite_drm *cap_xcomp, const char *
    return programObject;
 }
 
+#define RGB_TO_YUV "const mat4 RGBtoYUV = mat4(0.257,  0.439, -0.148, 0.0,\n" \
+                   "                           0.504, -0.368, -0.291, 0.0,\n" \
+                   "                           0.098, -0.071,  0.439, 0.0,\n" \
+                   "                           0.0625, 0.500,  0.500, 1.0);"
+
 static unsigned int LoadShadersY(gsr_capture_xcomposite_drm *cap_xcomp) {
 	char vShaderStr[] =
-        "#version 300 es                                 \n"
-        "in vec2 pos;                                    \n"
-        "in vec2 texcoords;                              \n"
-        "out vec2 texcoords_out;                         \n"
-		"void main()                                     \n"
-		"{                                               \n"
-        "  texcoords_out = texcoords;                    \n"
-		"  gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);   \n"
-		"}                                               \n";
+        "#version 300 es                                   \n"
+        "in vec2 pos;                                      \n"
+        "in vec2 texcoords;                                \n"
+        "out vec2 texcoords_out;                           \n"
+		"void main()                                       \n"
+		"{                                                 \n"
+        "   texcoords_out = texcoords;                     \n"
+		"   gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);    \n"
+		"}                                                 \n";
 
-#if 0
-	char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex;                                    \n"
-        "out vec4 FragColor;                                       \n"
-
-
-        "float imageWidth = 1920.0;\n"
-        "float imageHeight = 1080.0;\n"
-
-        "float getYPixel(vec2 position) {\n"
-        "    position.y = (position.y * 2.0 / 3.0) + (1.0 / 3.0);\n"
-        "    return texture2D(tex, position).x;\n"
-        "}\n"
-"\n"
-        "vec2 mapCommon(vec2 position, float planarOffset) {\n"
-        "    planarOffset += (imageWidth * floor(position.y / 2.0)) / 2.0 +\n"
-        "                    floor((imageWidth - 1.0 - position.x) / 2.0);\n"
-        "    float x = floor(imageWidth - 1.0 - floor(mod(planarOffset, imageWidth)));\n"
-        "    float y = floor(floor(planarOffset / imageWidth));\n"
-        "    return vec2((x + 0.5) / imageWidth, (y + 0.5) / (1.5 * imageHeight));\n"
-        "}\n"
-"\n"
-        "vec2 mapU(vec2 position) {\n"
-        "    float planarOffset = (imageWidth * imageHeight) / 4.0;\n"
-        "    return mapCommon(position, planarOffset);\n"
-        "}\n"
-"\n"
-        "vec2 mapV(vec2 position) {\n"
-        "    return mapCommon(position, 0.0);\n"
-        "}\n"
-
-		"void main()                                               \n"
-		"{                                                         \n"
-
-        "vec2 pixelPosition = vec2(floor(imageWidth * texcoords_out.x),\n"
-        "                        floor(imageHeight * texcoords_out.y));\n"
-        "pixelPosition -= vec2(0.5, 0.5);\n"
-"\n"
-        "float yChannel = getYPixel(texcoords_out);\n"
-        "float uChannel = texture2D(tex, mapU(pixelPosition)).x;\n"
-        "float vChannel = texture2D(tex, mapV(pixelPosition)).x;\n"
-        "vec4 channels = vec4(yChannel, uChannel, vChannel, 1.0);\n"
-        "mat4 conversion = mat4(1.0,  0.0,    1.402, -0.701,\n"
-        "                        1.0, -0.344, -0.714,  0.529,\n"
-        "                        1.0,  1.772,  0.0,   -0.886,\n"
-        "                        0, 0, 0, 0);\n"
-        "vec3 rgb = (channels * conversion).xyz;\n"
-
-		"  FragColor = vec4(rgb, 1.0);                            \n"
-		"}                                                         \n";
-#elif 1
-    char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex1;                                    \n"
-        //"uniform sampler2D tex2;                                    \n"
-        "out vec4 FragColor;                                       \n"
-        //"out vec4 FragColor2;                                       \n"
-        "mat4 RGBtoYUV() {\n"
-        "   return mat4(\n"
-        "       vec4(0.257,  0.439, -0.148, 0.0),\n"
-        "      vec4(0.504, -0.368, -0.291, 0.0),\n"
-        "      vec4(0.098, -0.071,  0.439, 0.0),\n"
-        "      vec4(0.0625, 0.500,  0.500, 1.0)\n"
-        "   );\n"
-        "}\n"
-		"void main()                                               \n"
-		"{                                                         \n"
-        //"  vec3 yuv = rgb2yuv(texture(tex1, texcoords_out).rgb);             \n"
-		//"  FragColor.x = yuv.x;                            \n"
-        //"  FragColor2.xy = yuv.xy;                            \n"
-        //" vec3 rgb = texture(tex1, texcoords_out).rgb;\n"
-        "FragColor.x = (RGBtoYUV() * vec4(texture(tex1, texcoords_out).rgb, 1.0)).x;\n"
-        //"FragColor2.xy = (RGBtoYUV() * vec4(texture(tex1, texcoords_out*2.0).rgb, 1.0)).zy;\n"
-		"}                                                         \n";
-#else
     char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex;                                    \n"
-        "out vec4 FragColor;                                       \n"
-
-        "vec3 rgb2yuv(vec3 rgb){\n"
-        "    float y = 0.299*rgb.r + 0.587*rgb.g + 0.114*rgb.b;\n"
-        "    return vec3(y, 0.493*(rgb.b-y), 0.877*(rgb.r-y));\n"
-        "}\n"
-
-        "vec3 yuv2rgb(vec3 yuv){\n"
-        "    float y = yuv.x;\n"
-        "    float u = yuv.y;\n"
-        "    float v = yuv.z;\n"
-        "    \n"
-        "    return vec3(\n"
-        "        y + 1.0/0.877*v,\n"
-        "        y - 0.39393*u - 0.58081*v,\n"
-        "        y + 1.0/0.493*u\n"
-        "    );\n"
-        "}\n"
-
-		"void main()                                               \n"
-		"{                                                         \n"
-        "   float s = 0.5;\n"
-        "    vec3 lum = texture(tex, texcoords_out).rgb;\n"
-        "    vec3 chr = texture(tex, floor(texcoords_out*s-.5)/s).rgb;\n"
-        "    vec3 rgb = vec3(rgb2yuv(lum).x, rgb2yuv(chr).yz);\n"
-		"  FragColor = vec4(rgb, 1.0);                            \n"
-		"}                                                         \n";
-#endif
+        "#version 300 es                                                                 \n"
+		"precision mediump float;                                                        \n"
+        "in vec2 texcoords_out;                                                          \n"
+        "uniform sampler2D tex1;                                                         \n"
+        "out vec4 FragColor;                                                             \n"
+        RGB_TO_YUV
+		"void main()                                                                     \n"
+		"{                                                                               \n"
+        "   FragColor.x = (RGBtoYUV * vec4(texture(tex1, texcoords_out).rgb, 1.0)).x;    \n"
+		"}                                                                               \n";
 
     unsigned int shader_program = esLoadProgram(cap_xcomp, vShaderStr, fShaderStr);
 	if (shader_program == 0) {
@@ -370,119 +258,17 @@ static unsigned int LoadShadersUV(gsr_capture_xcomposite_drm *cap_xcomp) {
 		"  gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);   \n"
 		"}                                               \n";
 
-#if 0
-	char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex;                                    \n"
-        "out vec4 FragColor;                                       \n"
-
-
-        "float imageWidth = 1920.0;\n"
-        "float imageHeight = 1080.0;\n"
-
-        "float getYPixel(vec2 position) {\n"
-        "    position.y = (position.y * 2.0 / 3.0) + (1.0 / 3.0);\n"
-        "    return texture2D(tex, position).x;\n"
-        "}\n"
-"\n"
-        "vec2 mapCommon(vec2 position, float planarOffset) {\n"
-        "    planarOffset += (imageWidth * floor(position.y / 2.0)) / 2.0 +\n"
-        "                    floor((imageWidth - 1.0 - position.x) / 2.0);\n"
-        "    float x = floor(imageWidth - 1.0 - floor(mod(planarOffset, imageWidth)));\n"
-        "    float y = floor(floor(planarOffset / imageWidth));\n"
-        "    return vec2((x + 0.5) / imageWidth, (y + 0.5) / (1.5 * imageHeight));\n"
-        "}\n"
-"\n"
-        "vec2 mapU(vec2 position) {\n"
-        "    float planarOffset = (imageWidth * imageHeight) / 4.0;\n"
-        "    return mapCommon(position, planarOffset);\n"
-        "}\n"
-"\n"
-        "vec2 mapV(vec2 position) {\n"
-        "    return mapCommon(position, 0.0);\n"
-        "}\n"
-
-		"void main()                                               \n"
-		"{                                                         \n"
-
-        "vec2 pixelPosition = vec2(floor(imageWidth * texcoords_out.x),\n"
-        "                        floor(imageHeight * texcoords_out.y));\n"
-        "pixelPosition -= vec2(0.5, 0.5);\n"
-"\n"
-        "float yChannel = getYPixel(texcoords_out);\n"
-        "float uChannel = texture2D(tex, mapU(pixelPosition)).x;\n"
-        "float vChannel = texture2D(tex, mapV(pixelPosition)).x;\n"
-        "vec4 channels = vec4(yChannel, uChannel, vChannel, 1.0);\n"
-        "mat4 conversion = mat4(1.0,  0.0,    1.402, -0.701,\n"
-        "                        1.0, -0.344, -0.714,  0.529,\n"
-        "                        1.0,  1.772,  0.0,   -0.886,\n"
-        "                        0, 0, 0, 0);\n"
-        "vec3 rgb = (channels * conversion).xyz;\n"
-
-		"  FragColor = vec4(rgb, 1.0);                            \n"
-		"}                                                         \n";
-#elif 1
     char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex1;                                    \n"
-        //"uniform sampler2D tex2;                                    \n"
-        "out vec4 FragColor;                                       \n"
-        //"out vec4 FragColor2;                                       \n"
-        "mat4 RGBtoYUV() {\n"
-        "   return mat4(\n"
-        "       vec4(0.257,  0.439, -0.148, 0.0),\n"
-        "      vec4(0.504, -0.368, -0.291, 0.0),\n"
-        "      vec4(0.098, -0.071,  0.439, 0.0),\n"
-        "      vec4(0.0625, 0.500,  0.500, 1.0)\n"
-        "   );\n"
-        "}\n"
-		"void main()                                               \n"
-		"{                                                         \n"
-        //"  vec3 yuv = rgb2yuv(texture(tex1, texcoords_out).rgb);             \n"
-		//"  FragColor.x = yuv.x;                            \n"
-        //"  FragColor2.xy = yuv.xy;                            \n"
-        //" vec3 rgb = texture(tex1, texcoords_out).rgb;\n"
-        //"FragColor.x = (RGBtoYUV() * vec4(texture(tex1, texcoords_out).rgb, 1.0)).x;\n"
-        "FragColor.xy = (RGBtoYUV() * vec4(texture(tex1, texcoords_out*2.0).rgb, 1.0)).zy;\n"
-		"}                                                         \n";
-#else
-    char fShaderStr[] =
-        "#version 300 es                                           \n"
-		"precision mediump float;                                  \n"
-        "in vec2 texcoords_out;                                        \n"
-        "uniform sampler2D tex;                                    \n"
-        "out vec4 FragColor;                                       \n"
-
-        "vec3 rgb2yuv(vec3 rgb){\n"
-        "    float y = 0.299*rgb.r + 0.587*rgb.g + 0.114*rgb.b;\n"
-        "    return vec3(y, 0.493*(rgb.b-y), 0.877*(rgb.r-y));\n"
-        "}\n"
-
-        "vec3 yuv2rgb(vec3 yuv){\n"
-        "    float y = yuv.x;\n"
-        "    float u = yuv.y;\n"
-        "    float v = yuv.z;\n"
-        "    \n"
-        "    return vec3(\n"
-        "        y + 1.0/0.877*v,\n"
-        "        y - 0.39393*u - 0.58081*v,\n"
-        "        y + 1.0/0.493*u\n"
-        "    );\n"
-        "}\n"
-
-		"void main()                                               \n"
-		"{                                                         \n"
-        "   float s = 0.5;\n"
-        "    vec3 lum = texture(tex, texcoords_out).rgb;\n"
-        "    vec3 chr = texture(tex, floor(texcoords_out*s-.5)/s).rgb;\n"
-        "    vec3 rgb = vec3(rgb2yuv(lum).x, rgb2yuv(chr).yz);\n"
-		"  FragColor = vec4(rgb, 1.0);                            \n"
-		"}                                                         \n";
-#endif
+        "#version 300 es                                                                       \n"
+		"precision mediump float;                                                              \n"
+        "in vec2 texcoords_out;                                                                \n"
+        "uniform sampler2D tex1;                                                               \n"
+        "out vec4 FragColor;                                                                   \n"
+        RGB_TO_YUV
+		"void main()                                                                           \n"
+		"{                                                                                     \n"
+        "   FragColor.xy = (RGBtoYUV * vec4(texture(tex1, texcoords_out*2.0).rgb, 1.0)).zy;    \n"
+		"}                                                                                     \n";
 
     unsigned int shader_program = esLoadProgram(cap_xcomp, vShaderStr, fShaderStr);
 	if (shader_program == 0) {
@@ -531,18 +317,6 @@ static int gsr_capture_xcomposite_drm_start(gsr_capture *cap, AVCodecContext *vi
         return -1;
     }
 
-    if(!cap_xcomp->egl.eglExportDMABUFImageQueryMESA) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_drm_start: could not find eglExportDMABUFImageQueryMESA\n");
-        gsr_egl_unload(&cap_xcomp->egl);
-        return -1;
-    }
-
-    if(!cap_xcomp->egl.eglExportDMABUFImageMESA) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_drm_start: could not find eglExportDMABUFImageMESA\n");
-        gsr_egl_unload(&cap_xcomp->egl);
-        return -1;
-    }
-
     if(!gsr_vaapi_load(&cap_xcomp->vaapi)) {
         fprintf(stderr, "gsr error: gsr_capture_xcomposite_drm_start: failed to load vaapi\n");
         gsr_egl_unload(&cap_xcomp->egl);
@@ -551,37 +325,7 @@ static int gsr_capture_xcomposite_drm_start(gsr_capture *cap, AVCodecContext *vi
 
     /* Disable vsync */
     cap_xcomp->egl.eglSwapInterval(cap_xcomp->egl.egl_display, 0);
-#if 0
-    // TODO: Fallback to composite window
-    if(window_texture_init(&cap_xcomp->window_texture, cap_xcomp->dpy, cap_xcomp->params.window, &cap_xcomp->gl) != 0) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: failed get window texture for window %ld\n", cap_xcomp->params.window);
-        gsr_egl_unload(&cap_xcomp->egl);
-        return -1;
-    }
 
-    cap_xcomp->egl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
-    cap_xcomp->texture_size.x = 0;
-    cap_xcomp->texture_size.y = 0;
-    cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &cap_xcomp->texture_size.x);
-    cap_xcomp->egl.glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &cap_xcomp->texture_size.y);
-    cap_xcomp->egl.glBindTexture(GL_TEXTURE_2D, 0);
-
-    cap_xcomp->texture_size.x = max_int(2, cap_xcomp->texture_size.x & ~1);
-    cap_xcomp->texture_size.y = max_int(2, cap_xcomp->texture_size.y & ~1);
-
-    cap_xcomp->target_texture_id = gl_create_texture(cap_xcomp, cap_xcomp->texture_size.x, cap_xcomp->texture_size.y);
-    if(cap_xcomp->target_texture_id == 0) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: failed to create opengl texture\n");
-        gsr_capture_xcomposite_stop(cap, video_codec_context);
-        return -1;
-    }
-
-    video_codec_context->width = cap_xcomp->texture_size.x;
-    video_codec_context->height = cap_xcomp->texture_size.y;
-
-    cap_xcomp->window_resize_timer = clock_get_monotonic_seconds();
-    return 0;
-#else
     // TODO: Fallback to composite window
     if(window_texture_init(&cap_xcomp->window_texture, cap_xcomp->dpy, cap_xcomp->params.window, &cap_xcomp->egl) != 0) {
         fprintf(stderr, "gsr error: gsr_capture_xcomposite_drm_start: failed get window texture for window %ld\n", cap_xcomp->params.window);
@@ -602,47 +346,13 @@ static int gsr_capture_xcomposite_drm_start(gsr_capture *cap, AVCodecContext *vi
     video_codec_context->width = cap_xcomp->texture_size.x;
     video_codec_context->height = cap_xcomp->texture_size.y;
 
-    {
-        const intptr_t pixmap_attrs[] = {
-            EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
-            EGL_NONE,
-        };
-
-        EGLImage img = cap_xcomp->egl.eglCreateImage(cap_xcomp->egl.egl_display, cap_xcomp->egl.egl_context, EGL_GL_TEXTURE_2D, (EGLClientBuffer)(uint64_t)window_texture_get_opengl_texture_id(&cap_xcomp->window_texture), pixmap_attrs);
-        if(!img) {
-            fprintf(stderr, "eglCreateImage failed\n");
-            return -1;
-        }
-
-        if(!cap_xcomp->egl.eglExportDMABUFImageQueryMESA(cap_xcomp->egl.egl_display, img, &cap_xcomp->fourcc, &cap_xcomp->num_planes, &cap_xcomp->modifiers)) {
-            fprintf(stderr, "eglExportDMABUFImageQueryMESA failed\n"); 
-            return -1;
-        }
-
-        if(cap_xcomp->num_planes != 1) {
-            // TODO: FAIL!
-            fprintf(stderr, "Blablalba\n");
-            return -1;
-        }
-
-        if(!cap_xcomp->egl.eglExportDMABUFImageMESA(cap_xcomp->egl.egl_display, img, &cap_xcomp->dmabuf_fd, &cap_xcomp->stride, &cap_xcomp->offset)) {
-            fprintf(stderr, "eglExportDMABUFImageMESA failed\n");
-            return -1;
-        }
-
-        fprintf(stderr, "texture: %u, dmabuf: %d, stride: %d, offset: %d\n", window_texture_get_opengl_texture_id(&cap_xcomp->window_texture), cap_xcomp->dmabuf_fd, cap_xcomp->stride, cap_xcomp->offset);
-        fprintf(stderr, "fourcc: %d, num planes: %d, modifiers: %zu\n", cap_xcomp->fourcc, cap_xcomp->num_planes, cap_xcomp->modifiers);
-    }
-
     if(!drm_create_codec_context(cap_xcomp, video_codec_context)) {
         fprintf(stderr, "failed to create hw codec context\n");
         gsr_egl_unload(&cap_xcomp->egl);
         return -1;
     }
 
-    //fprintf(stderr, "sneed: %u\n", cap_xcomp->FramebufferName);
     return 0;
-#endif
 }
 
 static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
@@ -670,9 +380,6 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
             return;
         }
 
-        fprintf(stderr, "fourcc: %u\n", cap_xcomp->fourcc);
-        fprintf(stderr, "va surface id: %u\n", (VASurfaceID)(uintptr_t)(*frame)->data[3]);
-
         VADRMPRIMESurfaceDescriptor prime;
 
         VASurfaceID surface_id = (uintptr_t)(*frame)->data[3];
@@ -749,11 +456,10 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
 
 
 
-            cap_xcomp->egl.glGenFramebuffers(1, &cap_xcomp->FramebufferNameY);
-            cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->FramebufferNameY);
+            cap_xcomp->egl.glGenFramebuffers(1, &cap_xcomp->framebuffer_y);
+            cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->framebuffer_y);
 
             cap_xcomp->egl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, cap_xcomp->target_textures[0], 0);
-           // cap_xcomp->egl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, cap_xcomp->target_textures[1], 0);
 
             // Set the list of draw buffers.
             unsigned int DrawBuffers[1] = {GL_COLOR_ATTACHMENT0};
@@ -766,11 +472,10 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
 
             cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
-            cap_xcomp->egl.glGenFramebuffers(1, &cap_xcomp->FramebufferNameUV);
-            cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->FramebufferNameUV);
+            cap_xcomp->egl.glGenFramebuffers(1, &cap_xcomp->framebuffer_uv);
+            cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->framebuffer_uv);
 
             cap_xcomp->egl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, cap_xcomp->target_textures[1], 0);
-           // cap_xcomp->egl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, cap_xcomp->target_textures[1], 0);
 
             // Set the list of draw buffers.
             cap_xcomp->egl.glDrawBuffers(1, DrawBuffers); // "1" is the size of DrawBuffers
@@ -782,31 +487,9 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
 
             cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, 0);
 
-            //cap_xcomp->egl.glGenVertexArrays(1, &cap_xcomp->quad_VertexArrayID);
-            //cap_xcomp->egl.glBindVertexArray(cap_xcomp->quad_VertexArrayID);
 
-            static const float g_quad_vertex_buffer_data[] = {
-                -1.0f, -1.0f, 0.0f,
-                1.0f, -1.0f, 0.0f,
-                -1.0f,  1.0f, 0.0f,
-                -1.0f,  1.0f, 0.0f,
-                1.0f, -1.0f, 0.0f,
-                1.0f,  1.0f, 0.0f,
-            };
-
-            //cap_xcomp->egl.glGenBuffers(1, &cap_xcomp->quad_vertexbuffer);
-            //cap_xcomp->egl.glBindBuffer(GL_ARRAY_BUFFER, cap_xcomp->quad_vertexbuffer);
-            //cap_xcomp->egl.glBufferData(GL_ARRAY_BUFFER, sizeof(g_quad_vertex_buffer_data), g_quad_vertex_buffer_data, GL_STATIC_DRAW);
-
-            // Create and compile our GLSL program from the shaders
             cap_xcomp->shader_y = LoadShadersY(cap_xcomp);
             cap_xcomp->shader_uv = LoadShadersUV(cap_xcomp);
-            //int tex1 = cap_xcomp->egl.glGetUniformLocation(cap_xcomp->shader_y, "tex1");
-            //cap_xcomp->egl.glUniform1i(tex1, 0);
-            //tex1 = cap_xcomp->egl.glGetUniformLocation(cap_xcomp->shader_uv, "tex1");
-            //cap_xcomp->egl.glUniform1i(tex1, 0);
-            //int tex2 = cap_xcomp->egl.glGetUniformLocation(shader_program, "tex2");
-            //fprintf(stderr, "uniform id: %u\n", tex1);
 
             float vVertices[] = {
                 -1.0f,  1.0f,  0.0f, 1.0f,
@@ -819,9 +502,9 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
             };
 
             unsigned int quadVBO;
-            cap_xcomp->egl.glGenVertexArrays(1, &cap_xcomp->quadVAO);
+            cap_xcomp->egl.glGenVertexArrays(1, &cap_xcomp->vao);
             cap_xcomp->egl.glGenBuffers(1, &quadVBO);
-            cap_xcomp->egl.glBindVertexArray(cap_xcomp->quadVAO);
+            cap_xcomp->egl.glBindVertexArray(cap_xcomp->vao);
             cap_xcomp->egl.glBindBuffer(GL_ARRAY_BUFFER, quadVBO);
             cap_xcomp->egl.glBufferData(GL_ARRAY_BUFFER, sizeof(vVertices), &vVertices, GL_STATIC_DRAW);
 
@@ -832,17 +515,9 @@ static void gsr_capture_xcomposite_drm_tick(gsr_capture *cap, AVCodecContext *vi
             cap_xcomp->egl.glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)(2 * sizeof(float)));
 
             cap_xcomp->egl.glBindVertexArray(0);
-
-            //cap_xcomp->egl.glUniform1i(tex1, 0);
-            //cap_xcomp->egl.glUniform1i(tex2, 1);
-
-            //cap_xcomp->egl.glViewport(0, 0, 1920, 1080);
-
-            //cap_xcomp->egl.glBindBuffer(GL_ARRAY_BUFFER, 0);
-            //cap_xcomp->egl.glBindVertexArray(0);
-        } else { // This happens on intel
+        } else {
             fprintf(stderr, "unexpected fourcc: %u, expected nv12\n", prime.fourcc);
-            abort();
+            return;
         }
 
         // Clear texture with black background because the source texture (window_texture_get_opengl_texture_id(&cap_xcomp->window_texture))
@@ -865,12 +540,12 @@ static int gsr_capture_xcomposite_drm_capture(gsr_capture *cap, AVFrame *frame)
     gsr_capture_xcomposite_drm *cap_xcomp = cap->priv;
     vec2i source_size = cap_xcomp->texture_size;
 
-    cap_xcomp->egl.glBindVertexArray(cap_xcomp->quadVAO);
+    cap_xcomp->egl.glBindVertexArray(cap_xcomp->vao);
     cap_xcomp->egl.glViewport(0, 0, source_size.x, source_size.y);
     cap_xcomp->egl.glBindTexture(GL_TEXTURE_2D, window_texture_get_opengl_texture_id(&cap_xcomp->window_texture));
 
     {
-        cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->FramebufferNameY);
+        cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->framebuffer_y);
         //cap_xcomp->egl.glClear(GL_COLOR_BUFFER_BIT);
 
         cap_xcomp->egl.glUseProgram(cap_xcomp->shader_y);
@@ -878,7 +553,7 @@ static int gsr_capture_xcomposite_drm_capture(gsr_capture *cap, AVFrame *frame)
     }
 
     {
-        cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->FramebufferNameUV);
+        cap_xcomp->egl.glBindFramebuffer(GL_FRAMEBUFFER, cap_xcomp->framebuffer_uv);
         //cap_xcomp->egl.glClear(GL_COLOR_BUFFER_BIT);
 
         cap_xcomp->egl.glUseProgram(cap_xcomp->shader_uv);
diff --git a/src/egl.c b/src/egl.c
index 325a06f..14ee8d9 100644
--- a/src/egl.c
+++ b/src/egl.c
@@ -90,12 +90,10 @@ static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
         { (void**)&self->eglCreateWindowSurface, "eglCreateWindowSurface" },
         { (void**)&self->eglCreateContext, "eglCreateContext" },
         { (void**)&self->eglMakeCurrent, "eglMakeCurrent" },
-        { (void**)&self->eglCreatePixmapSurface, "eglCreatePixmapSurface" },
-        { (void**)&self->eglCreateImage, "eglCreateImage" }, /* TODO: use eglCreateImageKHR instead? */
+        { (void**)&self->eglCreateImage, "eglCreateImage" },
         { (void**)&self->eglDestroyContext, "eglDestroyContext" },
         { (void**)&self->eglDestroySurface, "eglDestroySurface" },
         { (void**)&self->eglDestroyImage, "eglDestroyImage" },
-        { (void**)&self->eglBindTexImage, "eglBindTexImage" },
         { (void**)&self->eglSwapInterval, "eglSwapInterval" },
         { (void**)&self->eglSwapBuffers, "eglSwapBuffers" },
         { (void**)&self->eglGetProcAddress, "eglGetProcAddress" },
@@ -112,8 +110,6 @@ static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
 }
 
 static bool gsr_egl_proc_load_egl(gsr_egl *self) {
-    self->eglExportDMABUFImageQueryMESA = self->eglGetProcAddress("eglExportDMABUFImageQueryMESA");
-    self->eglExportDMABUFImageMESA = self->eglGetProcAddress("eglExportDMABUFImageMESA");
     self->glEGLImageTargetTexture2DOES = self->eglGetProcAddress("glEGLImageTargetTexture2DOES");
 
     if(!self->glEGLImageTargetTexture2DOES) {
@@ -147,7 +143,6 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
         { (void**)&self->glBindBuffer, "glBindBuffer" },
         { (void**)&self->glGenBuffers, "glGenBuffers" },
         { (void**)&self->glBufferData, "glBufferData" },
-        { (void**)&self->glGetUniformLocation, "glGetUniformLocation" },
         { (void**)&self->glGenVertexArrays, "glGenVertexArrays" },
         { (void**)&self->glBindVertexArray, "glBindVertexArray" },
         { (void**)&self->glCreateProgram, "glCreateProgram" },
@@ -161,15 +156,12 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
         { (void**)&self->glGetProgramInfoLog, "glGetProgramInfoLog" },
         { (void**)&self->glGetShaderiv, "glGetShaderiv" },
         { (void**)&self->glGetShaderInfoLog, "glGetShaderInfoLog" },
-        { (void**)&self->glGetShaderSource, "glGetShaderSource" },
         { (void**)&self->glDeleteProgram, "glDeleteProgram" },
         { (void**)&self->glDeleteShader, "glDeleteShader" },
         { (void**)&self->glGetProgramiv, "glGetProgramiv" },
         { (void**)&self->glVertexAttribPointer, "glVertexAttribPointer" },
         { (void**)&self->glEnableVertexAttribArray, "glEnableVertexAttribArray" },
         { (void**)&self->glDrawArrays, "glDrawArrays" },
-        { (void**)&self->glReadBuffer, "glReadBuffer" },
-        { (void**)&self->glReadPixels, "glReadPixels" },
 
         { NULL, NULL }
     };