[client] egl: switch to using GL_TEXTURE_EXTERNAL_OES for DMABUF

According to Erik @ NVidia the open source NVidia driver will not
create a EGLImage from a DMABUF if the target is not
GL_TEXTURE_EXTERNAL_OES. This change set converts the dmabuf texture
from GL_TEXTURE_2D to GL_TEXTURE_EXTERNAL_OES and at runtime performs a
global search & replace on fragment shaders as needed to remain
compatible, replacing `sampler2D` with `samplerExternalOES`.

Ref: https://github.com/NVIDIA/open-gpu-kernel-modules/discussions/243#discussioncomment-3283415
This commit is contained in:
Geoffrey McRae
2023-03-09 09:20:01 +11:00
parent bbc9204bfe
commit b4b4a37b2b
27 changed files with 372 additions and 180 deletions

View File

@@ -41,7 +41,7 @@ bool egl_postProcessConfigModified(EGL_PostProcess * this);
* targetX/Y is the final target output dimension hint if scalers are present */
bool egl_postProcessRun(EGL_PostProcess * this, EGL_Texture * tex,
EGL_DesktopRects * rects, int desktopWidth, int desktopHeight,
unsigned int targetX, unsigned int targetY);
unsigned int targetX, unsigned int targetY, bool useDMA);
GLuint egl_postProcessGetOutput(EGL_PostProcess * this,
EGL_Texture * egl_postProcessGetOutput(EGL_PostProcess * this,
unsigned int * outputX, unsigned int * outputY);