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egl_dri2: Add support for MESA_image_drm

This commit is contained in:
Kristian Høgsberg 2010-06-03 21:36:40 -04:00
parent b7a8893a24
commit 5aaa53e66c
2 changed files with 242 additions and 0 deletions
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19
include/GL/internal/dri_interface.h
View File

@ -789,6 +789,17 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002
#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003
#define __DRI_IMAGE_USE_SHARE 0x0001
#define __DRI_IMAGE_USE_SCANOUT 0x0002
/**
* queryImage attributes
*/
#define __DRI_IMAGE_ATTRIB_STRIDE 0x2000
#define __DRI_IMAGE_ATTRIB_HANDLE 0x2001
#define __DRI_IMAGE_ATTRIB_NAME 0x2002
typedef struct __DRIimageRec __DRIimage;
typedef struct __DRIimageExtensionRec __DRIimageExtension;
struct __DRIimageExtensionRec {
@ -804,8 +815,16 @@ struct __DRIimageExtensionRec {
void *loaderPrivate);
void (*destroyImage)(__DRIimage *image);
__DRIimage *(*createImage)(__DRIscreen *screen,
int width, int height, int format,
unsigned int use,
void *loaderPrivate);
GLboolean (*queryImage)(__DRIimage *image, int attrib, int *value);
};
/**
* This extension must be implemented by the loader and passed to the
* driver at screen creation time. The EGLImage entry points in the

223
src/egl/drivers/dri2/egl_dri2.c
View File

@ -836,6 +836,7 @@ dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp,
goto cleanup_configs;
}
disp->Extensions.MESA_drm_image = EGL_TRUE;
disp->Extensions.KHR_image_base = EGL_TRUE;
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
@ -994,6 +995,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp,
for (i = 0; dri2_dpy->driver_configs[i]; i++)
dri2_add_config(disp, dri2_dpy->driver_configs[i], i + 1, 0, 0);
disp->Extensions.MESA_drm_image = EGL_TRUE;
disp->Extensions.KHR_image_base = EGL_TRUE;
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE;
disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
@ -1620,6 +1622,96 @@ dri2_create_image_khr_renderbuffer(_EGLDisplay *disp, _EGLContext *ctx,
return &dri2_img->base;
}
static _EGLImage *
dri2_create_image_mesa_drm_buffer(_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;
EGLint width, height, format, name, stride, pitch, i, err;
name = (EGLint) buffer;
err = EGL_SUCCESS;
width = 0;
height = 0;
format = 0;
stride = 0;
for (i = 0; attr_list[i] != EGL_NONE; i++) {
EGLint attr = attr_list[i++];
EGLint val = attr_list[i];
switch (attr) {
case EGL_WIDTH:
width = val;
break;
case EGL_HEIGHT:
height = val;
break;
case EGL_DRM_BUFFER_FORMAT_MESA:
format = val;
break;
case EGL_DRM_BUFFER_STRIDE_MESA:
stride = val;
break;
default:
err = EGL_BAD_ATTRIBUTE;
break;
}
if (err != EGL_SUCCESS) {
_eglLog(_EGL_WARNING, "bad image attribute 0x%04x", attr);
return NULL;
}
}
if (width <= 0 || height <= 0 || stride <= 0) {
_eglError(EGL_BAD_PARAMETER,
"bad width, height or stride");
return NULL;
}
switch (format) {
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
format = __DRI_IMAGE_FORMAT_ARGB8888;
pitch = stride;
break;
default:
_eglError(EGL_BAD_PARAMETER,
"dri2_create_image_khr: unsupported pixmap depth");
return NULL;
}
dri2_img = malloc(sizeof *dri2_img);
if (!dri2_img) {
_eglError(EGL_BAD_ALLOC, "dri2_create_image_mesa_drm");
return NULL;
}
if (!_eglInitImage(&dri2_img->base, disp, attr_list)) {
free(dri2_img);
return NULL;
}
dri2_img->dri_image =
dri2_dpy->image->createImageFromName(dri2_ctx->dri_context,
width,
height,
format,
name,
pitch,
dri2_img);
if (dri2_img->dri_image == NULL) {
free(dri2_img);
_eglError(EGL_BAD_ALLOC, "dri2_create_image_mesa_drm");
return NULL;
}
return &dri2_img->base;
}
static _EGLImage *
dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
_EGLContext *ctx, EGLenum target,
@ -1630,6 +1722,8 @@ dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
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);
case EGL_DRM_BUFFER_MESA:
return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
default:
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
return EGL_NO_IMAGE_KHR;
@ -1648,6 +1742,133 @@ dri2_destroy_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *image)
return EGL_TRUE;
}
static _EGLImage *
dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
const EGLint *attr_list)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_image *dri2_img;
int width, height, format, i;
unsigned int use, dri_use, valid_mask;
EGLint err = EGL_SUCCESS;
dri2_img = malloc(sizeof *dri2_img);
if (!dri2_img) {
_eglError(EGL_BAD_ALLOC, "dri2_create_image_khr");
return EGL_NO_IMAGE_KHR;
}
if (!attr_list) {
err = EGL_BAD_PARAMETER;
goto cleanup_img;
}
if (!_eglInitImage(&dri2_img->base, disp, attr_list)) {
err = EGL_BAD_PARAMETER;
goto cleanup_img;
}
width = 0;
height = 0;
format = 0;
use = 0;
for (i = 0; attr_list[i] != EGL_NONE; i++) {
EGLint attr = attr_list[i++];
EGLint val = attr_list[i];
switch (attr) {
case EGL_WIDTH:
width = val;
break;
case EGL_HEIGHT:
height = val;
break;
case EGL_DRM_BUFFER_FORMAT_MESA:
format = val;
break;
case EGL_DRM_BUFFER_USE_MESA:
use = val;
break;
default:
err = EGL_BAD_ATTRIBUTE;
break;
}
if (err != EGL_SUCCESS) {
_eglLog(_EGL_WARNING, "bad image attribute 0x%04x", attr);
goto cleanup_img;
}
}
if (width <= 0 || height <= 0) {
_eglLog(_EGL_WARNING, "bad width or height (%dx%d)", width, height);
goto cleanup_img;
}
switch (format) {
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
format = __DRI_IMAGE_FORMAT_ARGB8888;
break;
default:
_eglLog(_EGL_WARNING, "bad image format value 0x%04x", format);
goto cleanup_img;
}
valid_mask =
EGL_DRM_BUFFER_USE_SCANOUT_MESA |
EGL_DRM_BUFFER_USE_SHARE_MESA;
if (use & ~valid_mask) {
_eglLog(_EGL_WARNING, "bad image use bit 0x%04x", use & ~valid_mask);
goto cleanup_img;
}
dri_use = 0;
if (use & EGL_DRM_BUFFER_USE_SHARE_MESA)
dri_use |= __DRI_IMAGE_USE_SHARE;
if (use & EGL_DRM_BUFFER_USE_SCANOUT_MESA)
dri_use |= __DRI_IMAGE_USE_SCANOUT;
dri2_img->dri_image =
dri2_dpy->image->createImage(dri2_dpy->dri_screen,
width, height, format, dri_use, dri2_img);
if (dri2_img->dri_image == NULL) {
err = EGL_BAD_ALLOC;
goto cleanup_img;
}
return &dri2_img->base;
cleanup_img:
free(dri2_img);
_eglError(err, "dri2_create_drm_image_mesa");
return EGL_NO_IMAGE_KHR;
}
static EGLBoolean
dri2_export_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img,
EGLint *name, EGLint *handle, EGLint *stride)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
if (name && !dri2_dpy->image->queryImage(dri2_img->dri_image,
__DRI_IMAGE_ATTRIB_NAME, name)) {
_eglError(EGL_BAD_ALLOC, "dri2_export_drm_image_mesa");
return EGL_FALSE;
}
if (handle)
dri2_dpy->image->queryImage(dri2_img->dri_image,
__DRI_IMAGE_ATTRIB_HANDLE, handle);
if (stride)
dri2_dpy->image->queryImage(dri2_img->dri_image,
__DRI_IMAGE_ATTRIB_STRIDE, stride);
return EGL_TRUE;
}
/**
* This is the main entrypoint into the driver, called by libEGL.
* Create a new _EGLDriver object and init its dispatch table.
@ -1681,6 +1902,8 @@ _eglMain(const char *args)
dri2_drv->base.API.CreateImageKHR = dri2_create_image_khr;
dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
dri2_drv->base.API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
dri2_drv->base.Name = "DRI2";
dri2_drv->base.Unload = dri2_unload;