diff options
Diffstat (limited to 'ui/egl-helpers.c')
| -rw-r--r-- | ui/egl-helpers.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index cde9965dea..5fa60ef4e8 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -19,6 +19,7 @@ #include <dirent.h> #include "qemu/error-report.h" +#include "ui/console.h" #include "ui/egl-helpers.h" EGLDisplay *qemu_egl_display; @@ -110,6 +111,33 @@ void egl_fb_read(void *dst, egl_fb *src) GL_BGRA, GL_UNSIGNED_BYTE, dst); } +void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip) +{ + glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); + glViewport(0, 0, dst->width, dst->height); + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, src->texture); + qemu_gl_run_texture_blit(gls, flip); +} + +void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip, + int x, int y) +{ + glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); + if (flip) { + glViewport(x, y, src->width, src->height); + } else { + glViewport(x, dst->height - src->height - y, + src->width, src->height); + } + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, src->texture); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + qemu_gl_run_texture_blit(gls, flip); + glDisable(GL_BLEND); +} + /* ---------------------------------------------------------------------- */ #ifdef CONFIG_OPENGL_DMABUF @@ -241,6 +269,51 @@ int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc) return fd; } +void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf) +{ + EGLImageKHR image = EGL_NO_IMAGE_KHR; + EGLint attrs[] = { + EGL_DMA_BUF_PLANE0_FD_EXT, dmabuf->fd, + EGL_DMA_BUF_PLANE0_PITCH_EXT, dmabuf->stride, + EGL_DMA_BUF_PLANE0_OFFSET_EXT, 0, + EGL_WIDTH, dmabuf->width, + EGL_HEIGHT, dmabuf->height, + EGL_LINUX_DRM_FOURCC_EXT, dmabuf->fourcc, + EGL_NONE, /* end of list */ + }; + + if (dmabuf->texture != 0) { + return; + } + + image = eglCreateImageKHR(qemu_egl_display, + EGL_NO_CONTEXT, + EGL_LINUX_DMA_BUF_EXT, + NULL, attrs); + if (image == EGL_NO_IMAGE_KHR) { + error_report("eglCreateImageKHR failed"); + return; + } + + glGenTextures(1, &dmabuf->texture); + glBindTexture(GL_TEXTURE_2D, dmabuf->texture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + + glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image); + eglDestroyImageKHR(qemu_egl_display, image); +} + +void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf) +{ + if (dmabuf->texture == 0) { + return; + } + + glDeleteTextures(1, &dmabuf->texture); + dmabuf->texture = 0; +} + #endif /* CONFIG_OPENGL_DMABUF */ /* ---------------------------------------------------------------------- */ |