From 557c20b3091843fdec59069b2b85969a49943305 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Kristian=20H=C3=B8gsberg?= Date: Fri, 26 Feb 2010 14:51:11 -0500 Subject: [PATCH] egl_dri2: Implement EGL_KHR_gl_renderbuffer_image --- src/egl/drivers/dri2/egl_dri2.c | 166 ++++++++++++++++++++------------ 1 file changed, 103 insertions(+), 63 deletions(-) diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index 0c2dfe6dd43..d775b5e6a2f 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -103,12 +103,6 @@ struct dri2_egl_image { _EGLImage base; __DRIimage *dri_image; - int width; - int height; - int name; - int pitch; - int cpp; - int format; }; /* standard typecasts */ @@ -694,6 +688,7 @@ dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp, disp->ClientAPIsMask = EGL_OPENGL_BIT; disp->Extensions.KHR_image_base = EGL_TRUE; disp->Extensions.KHR_image_pixmap = EGL_TRUE; + disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE; /* we're supporting EGL 1.4 */ *major = 1; @@ -1107,9 +1102,8 @@ dri2_release_tex_image(_EGLDriver *drv, } static _EGLImage * -dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, - _EGLContext *ctx, EGLenum target, - EGLClientBuffer buffer, const EGLint *attr_list) +dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx, + EGLClientBuffer buffer, const EGLint *attr_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); @@ -1122,80 +1116,126 @@ dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, xcb_get_geometry_cookie_t geometry_cookie; xcb_get_geometry_reply_t *geometry_reply; xcb_generic_error_t *error; + int stride, format; + + drawable = (xcb_drawable_t) buffer; + xcb_dri2_create_drawable (dri2_dpy->conn, drawable); + attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT; + buffers_cookie = + xcb_dri2_get_buffers_unchecked (dri2_dpy->conn, + drawable, 1, 1, attachments); + geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable); + buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, + buffers_cookie, NULL); + buffers = xcb_dri2_get_buffers_buffers (buffers_reply); + if (buffers == NULL) { + return NULL; + } + + geometry_reply = xcb_get_geometry_reply (dri2_dpy->conn, + geometry_cookie, &error); + if (geometry_reply == NULL || error != NULL) { + _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); + free(error); + free(buffers_reply); + } + + switch (geometry_reply->depth) { + case 16: + format = __DRI_IMAGE_FORMAT_RGB565; + break; + case 24: + format = __DRI_IMAGE_FORMAT_XRGB8888; + break; + case 32: + format = __DRI_IMAGE_FORMAT_ARGB8888; + break; + default: + _eglError(EGL_BAD_PARAMETER, + "dri2_create_image_khr: unsupported pixmap depth"); + free(buffers_reply); + free(geometry_reply); + return NULL; + } dri2_img = malloc(sizeof *dri2_img); if (!dri2_img) { + free(buffers_reply); + free(geometry_reply); _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); return EGL_NO_IMAGE_KHR; } - if (!_eglInitImage(&dri2_img->base, disp, attr_list)) + if (!_eglInitImage(&dri2_img->base, disp, attr_list)) { + free(buffers_reply); + free(geometry_reply); return EGL_NO_IMAGE_KHR; + } - switch (target) { - case EGL_NATIVE_PIXMAP_KHR: - drawable = (xcb_drawable_t) buffer; - xcb_dri2_create_drawable (dri2_dpy->conn, drawable); - attachments[0] = XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT; - buffers_cookie = - xcb_dri2_get_buffers_unchecked (dri2_dpy->conn, - drawable, 1, 1, attachments); - geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable); - buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn, - buffers_cookie, NULL); - buffers = xcb_dri2_get_buffers_buffers (buffers_reply); - if (buffers == NULL) { - free(dri2_img); - return NULL; - } + stride = buffers[0].pitch / buffers[0].cpp; + dri2_img->dri_image = + dri2_dpy->image->createImageFromName(dri2_ctx->dri_context, + buffers_reply->width, + buffers_reply->height, + format, + buffers[0].name, + stride, + dri2_img); - geometry_reply = xcb_get_geometry_reply (dri2_dpy->conn, - geometry_cookie, &error); - if (geometry_reply == NULL || error != NULL) { - _eglError(EGL_BAD_ALLOC, "xcb_get_geometry"); - free(error); - free(dri2_img); - free(buffers_reply); - } + free(buffers_reply); + free(geometry_reply); - dri2_img->width = buffers_reply->width; - dri2_img->height = buffers_reply->height; - dri2_img->name = buffers[0].name; - dri2_img->pitch = buffers[0].pitch / buffers[0].cpp; - dri2_img->cpp = buffers[0].cpp; - switch (geometry_reply->depth) { - case 16: - dri2_img->format = __DRI_IMAGE_FORMAT_RGB565; - break; - case 24: - dri2_img->format = __DRI_IMAGE_FORMAT_XRGB8888; - break; - case 32: - dri2_img->format = __DRI_IMAGE_FORMAT_ARGB8888; - break; - } - free(buffers_reply); - free(geometry_reply); - break; + return &dri2_img->base; +} - default: +static _EGLImage * +dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx, + EGLClientBuffer buffer, + const EGLint *attr_list) +{ + struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); + struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); + struct dri2_egl_image *dri2_img; + GLuint renderbuffer = (GLuint) buffer; + + if (renderbuffer == 0) { _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); - free(dri2_img); return EGL_NO_IMAGE_KHR; } - dri2_img->dri_image = - dri2_dpy->image->createImageFromName(dri2_ctx->dri_context, - dri2_img->width, - dri2_img->height, - dri2_img->format, - dri2_img->name, - dri2_img->pitch, - dri2_img); + dri2_img = malloc(sizeof *dri2_img); + if (!dri2_img) { + _eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); + return EGL_NO_IMAGE_KHR; + } + + if (!_eglInitImage(&dri2_img->base, disp, attr_list)) + return EGL_NO_IMAGE_KHR; + + dri2_img->dri_image = + dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context, + renderbuffer, + dri2_img); return &dri2_img->base; } +static _EGLImage * +dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, + _EGLContext *ctx, EGLenum target, + EGLClientBuffer buffer, const EGLint *attr_list) +{ + switch (target) { + case EGL_NATIVE_PIXMAP_KHR: + return dri2_create_image_khr_pixmap(disp, ctx, buffer, attr_list); + case EGL_GL_RENDERBUFFER_KHR: + return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list); + default: + _eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); + return EGL_NO_IMAGE_KHR; + } +} + static EGLBoolean dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image) { -- 2.30.2