Add DMA-BUF export compatibility with EGL 1.4

This commit is contained in:
Cameron Gutman
2021-01-31 16:24:31 -06:00
parent 149575e0c4
commit 80137848dc
4 changed files with 195 additions and 41 deletions
@@ -5,6 +5,36 @@
#include <xf86drm.h>
#include <xf86drmMode.h>
#ifdef HAVE_EGL
#include <SDL_egl.h>
#ifndef EGL_VERSION_1_5
typedef intptr_t EGLAttrib;
typedef EGLImage (EGLAPIENTRYP PFNEGLCREATEIMAGEPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEPROC) (EGLDisplay dpy, EGLImage image);
#endif
#ifndef EGL_KHR_image
// EGL_KHR_image technically uses EGLImageKHR instead of EGLImage, but they're compatible
// so we swap them here to avoid mixing them all over the place
typedef EGLImage (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImage image);
#endif
#ifndef EGL_EXT_image_dma_buf_import
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#endif
#ifndef EGL_EXT_image_dma_buf_import_modifiers
#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
#endif
#endif
class DrmRenderer : public IFFmpegRenderer {
public:
DrmRenderer();
@@ -32,5 +62,12 @@ private:
uint32_t m_PlaneId;
uint32_t m_CurrentFbId;
SDL_Rect m_OutputRect;
#ifdef HAVE_EGL
PFNEGLCREATEIMAGEPROC m_eglCreateImage;
PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;
PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR;
#endif
};