0,0 → 1,1775 |
/* |
* Copyright © 2010 Intel Corporation |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
* DEALINGS IN THE SOFTWARE. |
* |
* Authors: |
* Kristian Høgsberg <krh@bitplanet.net> |
*/ |
|
#include <stdlib.h> |
#include <string.h> |
#include <stdio.h> |
#include <limits.h> |
#include <fcntl.h> |
#include <errno.h> |
#include <unistd.h> |
#include <xf86drm.h> |
#include <GL/gl.h> |
#include <GL/internal/dri_interface.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
|
#define EGL_EGLEXT_PROTOTYPES |
#include <EGL/egl.h> |
#include <EGL/eglext.h> |
|
#include "eglmode.h" |
#include "eglscreen.h" |
|
#include "egl_dri2.h" |
|
typedef unsigned int lib_handle; |
|
lib_handle load_library(const char *name); |
void *get_proc_address(lib_handle lib, char *proc_name); |
|
const __DRIuseInvalidateExtension use_invalidate = { |
{ __DRI_USE_INVALIDATE, 1 } |
}; |
|
EGLint dri2_to_egl_attribute_map[] = { |
0, |
EGL_BUFFER_SIZE, /* __DRI_ATTRIB_BUFFER_SIZE */ |
EGL_LEVEL, /* __DRI_ATTRIB_LEVEL */ |
EGL_RED_SIZE, /* __DRI_ATTRIB_RED_SIZE */ |
EGL_GREEN_SIZE, /* __DRI_ATTRIB_GREEN_SIZE */ |
EGL_BLUE_SIZE, /* __DRI_ATTRIB_BLUE_SIZE */ |
EGL_LUMINANCE_SIZE, /* __DRI_ATTRIB_LUMINANCE_SIZE */ |
EGL_ALPHA_SIZE, /* __DRI_ATTRIB_ALPHA_SIZE */ |
0, /* __DRI_ATTRIB_ALPHA_MASK_SIZE */ |
EGL_DEPTH_SIZE, /* __DRI_ATTRIB_DEPTH_SIZE */ |
EGL_STENCIL_SIZE, /* __DRI_ATTRIB_STENCIL_SIZE */ |
0, /* __DRI_ATTRIB_ACCUM_RED_SIZE */ |
0, /* __DRI_ATTRIB_ACCUM_GREEN_SIZE */ |
0, /* __DRI_ATTRIB_ACCUM_BLUE_SIZE */ |
0, /* __DRI_ATTRIB_ACCUM_ALPHA_SIZE */ |
EGL_SAMPLE_BUFFERS, /* __DRI_ATTRIB_SAMPLE_BUFFERS */ |
EGL_SAMPLES, /* __DRI_ATTRIB_SAMPLES */ |
0, /* __DRI_ATTRIB_RENDER_TYPE, */ |
0, /* __DRI_ATTRIB_CONFIG_CAVEAT */ |
0, /* __DRI_ATTRIB_CONFORMANT */ |
0, /* __DRI_ATTRIB_DOUBLE_BUFFER */ |
0, /* __DRI_ATTRIB_STEREO */ |
0, /* __DRI_ATTRIB_AUX_BUFFERS */ |
0, /* __DRI_ATTRIB_TRANSPARENT_TYPE */ |
0, /* __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE */ |
0, /* __DRI_ATTRIB_TRANSPARENT_RED_VALUE */ |
0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */ |
0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */ |
0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */ |
0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */ |
0, /* __DRI_ATTRIB_RED_MASK */ |
0, /* __DRI_ATTRIB_GREEN_MASK */ |
0, /* __DRI_ATTRIB_BLUE_MASK */ |
0, /* __DRI_ATTRIB_ALPHA_MASK */ |
EGL_MAX_PBUFFER_WIDTH, /* __DRI_ATTRIB_MAX_PBUFFER_WIDTH */ |
EGL_MAX_PBUFFER_HEIGHT, /* __DRI_ATTRIB_MAX_PBUFFER_HEIGHT */ |
EGL_MAX_PBUFFER_PIXELS, /* __DRI_ATTRIB_MAX_PBUFFER_PIXELS */ |
0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH */ |
0, /* __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT */ |
0, /* __DRI_ATTRIB_VISUAL_SELECT_GROUP */ |
0, /* __DRI_ATTRIB_SWAP_METHOD */ |
EGL_MAX_SWAP_INTERVAL, /* __DRI_ATTRIB_MAX_SWAP_INTERVAL */ |
EGL_MIN_SWAP_INTERVAL, /* __DRI_ATTRIB_MIN_SWAP_INTERVAL */ |
0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGB */ |
0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA */ |
0, /* __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE */ |
0, /* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */ |
EGL_Y_INVERTED_NOK, /* __DRI_ATTRIB_YINVERTED */ |
0, /* __DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE */ |
}; |
|
static EGLBoolean |
dri2_match_config(const _EGLConfig *conf, const _EGLConfig *criteria) |
{ |
if (_eglCompareConfigs(conf, criteria, NULL, EGL_FALSE) != 0) |
return EGL_FALSE; |
|
if (!_eglMatchConfig(conf, criteria)) |
return EGL_FALSE; |
|
return EGL_TRUE; |
} |
|
struct dri2_egl_config * |
dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, |
int depth, EGLint surface_type, const EGLint *attr_list, |
const unsigned int *rgba_masks) |
{ |
struct dri2_egl_config *conf; |
struct dri2_egl_display *dri2_dpy; |
_EGLConfig base; |
unsigned int attrib, value, double_buffer; |
EGLint key, bind_to_texture_rgb, bind_to_texture_rgba; |
unsigned int dri_masks[4] = { 0, 0, 0, 0 }; |
_EGLConfig *matching_config; |
EGLint num_configs = 0; |
EGLint config_id; |
int i; |
|
dri2_dpy = disp->DriverData; |
_eglInitConfig(&base, disp, id); |
|
i = 0; |
double_buffer = 0; |
bind_to_texture_rgb = 0; |
bind_to_texture_rgba = 0; |
|
while (dri2_dpy->core->indexConfigAttrib(dri_config, i++, &attrib, &value)) { |
switch (attrib) { |
case __DRI_ATTRIB_RENDER_TYPE: |
if (value & __DRI_ATTRIB_RGBA_BIT) |
value = EGL_RGB_BUFFER; |
else if (value & __DRI_ATTRIB_LUMINANCE_BIT) |
value = EGL_LUMINANCE_BUFFER; |
else |
return NULL; |
_eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value); |
break; |
|
case __DRI_ATTRIB_CONFIG_CAVEAT: |
if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG) |
value = EGL_NON_CONFORMANT_CONFIG; |
else if (value & __DRI_ATTRIB_SLOW_BIT) |
value = EGL_SLOW_CONFIG; |
else |
value = EGL_NONE; |
_eglSetConfigKey(&base, EGL_CONFIG_CAVEAT, value); |
break; |
|
case __DRI_ATTRIB_BIND_TO_TEXTURE_RGB: |
bind_to_texture_rgb = value; |
break; |
|
case __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA: |
bind_to_texture_rgba = value; |
break; |
|
case __DRI_ATTRIB_DOUBLE_BUFFER: |
double_buffer = value; |
break; |
|
case __DRI_ATTRIB_RED_MASK: |
dri_masks[0] = value; |
break; |
|
case __DRI_ATTRIB_GREEN_MASK: |
dri_masks[1] = value; |
break; |
|
case __DRI_ATTRIB_BLUE_MASK: |
dri_masks[2] = value; |
break; |
|
case __DRI_ATTRIB_ALPHA_MASK: |
dri_masks[3] = value; |
break; |
|
default: |
key = dri2_to_egl_attribute_map[attrib]; |
if (key != 0) |
_eglSetConfigKey(&base, key, value); |
break; |
} |
} |
|
if (attr_list) |
for (i = 0; attr_list[i] != EGL_NONE; i += 2) |
_eglSetConfigKey(&base, attr_list[i], attr_list[i+1]); |
|
/* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig. Otherwise |
* it will only match a 32-bit RGBA visual. On a composited window manager |
* on X11, this will make all of the EGLConfigs with destination alpha get |
* blended by the compositor. This is probably not what the application |
* wants... especially on drivers that only have 32-bit RGBA EGLConfigs! |
*/ |
if (depth > 0 && depth != base.BufferSize |
&& !(depth == 24 && base.BufferSize == 32)) |
return NULL; |
|
if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks))) |
return NULL; |
|
base.NativeRenderable = EGL_TRUE; |
|
base.SurfaceType = surface_type; |
if (surface_type & (EGL_PBUFFER_BIT | |
(disp->Extensions.NOK_texture_from_pixmap ? EGL_PIXMAP_BIT : 0))) { |
base.BindToTextureRGB = bind_to_texture_rgb; |
if (base.AlphaSize > 0) |
base.BindToTextureRGBA = bind_to_texture_rgba; |
} |
|
base.RenderableType = disp->ClientAPIs; |
base.Conformant = disp->ClientAPIs; |
|
base.MinSwapInterval = dri2_dpy->min_swap_interval; |
base.MaxSwapInterval = dri2_dpy->max_swap_interval; |
|
if (!_eglValidateConfig(&base, EGL_FALSE)) { |
_eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id); |
return NULL; |
} |
|
config_id = base.ConfigID; |
base.ConfigID = EGL_DONT_CARE; |
base.SurfaceType = EGL_DONT_CARE; |
num_configs = _eglFilterArray(disp->Configs, (void **) &matching_config, 1, |
(_EGLArrayForEach) dri2_match_config, &base); |
|
if (num_configs == 1) { |
conf = (struct dri2_egl_config *) matching_config; |
|
if (double_buffer && !conf->dri_double_config) |
conf->dri_double_config = dri_config; |
else if (!double_buffer && !conf->dri_single_config) |
conf->dri_single_config = dri_config; |
else |
/* a similar config type is already added (unlikely) => discard */ |
return NULL; |
} |
else if (num_configs == 0) { |
conf = malloc(sizeof *conf); |
if (conf == NULL) |
return NULL; |
|
memcpy(&conf->base, &base, sizeof base); |
if (double_buffer) { |
conf->dri_double_config = dri_config; |
conf->dri_single_config = NULL; |
} else { |
conf->dri_single_config = dri_config; |
conf->dri_double_config = NULL; |
} |
conf->base.SurfaceType = 0; |
conf->base.ConfigID = config_id; |
|
_eglLinkConfig(&conf->base); |
} |
else { |
assert(0); |
return NULL; |
} |
|
if (double_buffer) { |
surface_type &= ~EGL_PIXMAP_BIT; |
} |
|
conf->base.SurfaceType |= surface_type; |
|
return conf; |
} |
|
__DRIimage * |
dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data) |
{ |
_EGLDisplay *disp = data; |
struct dri2_egl_image *dri2_img; |
_EGLImage *img; |
|
(void) screen; |
|
img = _eglLookupImage(image, disp); |
if (img == NULL) { |
_eglError(EGL_BAD_PARAMETER, "dri2_lookup_egl_image"); |
return NULL; |
} |
|
dri2_img = dri2_egl_image(image); |
|
return dri2_img->dri_image; |
} |
|
const __DRIimageLookupExtension image_lookup_extension = { |
{ __DRI_IMAGE_LOOKUP, 1 }, |
dri2_lookup_egl_image |
}; |
|
static const char dri_driver_path[] = "";//DEFAULT_DRIVER_DIR; |
|
struct dri2_extension_match { |
const char *name; |
int version; |
int offset; |
}; |
|
static struct dri2_extension_match dri2_driver_extensions[] = { |
{ __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, |
{ __DRI_DRI2, 2, offsetof(struct dri2_egl_display, dri2) }, |
{ NULL, 0, 0 } |
}; |
|
static struct dri2_extension_match dri2_core_extensions[] = { |
{ __DRI2_FLUSH, 1, offsetof(struct dri2_egl_display, flush) }, |
{ __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) }, |
{ __DRI_IMAGE, 1, offsetof(struct dri2_egl_display, image) }, |
{ NULL, 0, 0 } |
}; |
|
static struct dri2_extension_match swrast_driver_extensions[] = { |
{ __DRI_CORE, 1, offsetof(struct dri2_egl_display, core) }, |
{ __DRI_SWRAST, 2, offsetof(struct dri2_egl_display, swrast) }, |
{ NULL, 0, 0 } |
}; |
|
static struct dri2_extension_match swrast_core_extensions[] = { |
{ __DRI_TEX_BUFFER, 2, offsetof(struct dri2_egl_display, tex_buffer) }, |
{ NULL, 0, 0 } |
}; |
|
static EGLBoolean |
dri2_bind_extensions(struct dri2_egl_display *dri2_dpy, |
struct dri2_extension_match *matches, |
const __DRIextension **extensions) |
{ |
int i, j, ret = EGL_TRUE; |
void *field; |
|
for (i = 0; extensions[i]; i++) { |
_eglLog(_EGL_DEBUG, "DRI2: found extension `%s'", extensions[i]->name); |
for (j = 0; matches[j].name; j++) { |
if (strcmp(extensions[i]->name, matches[j].name) == 0 && |
extensions[i]->version >= matches[j].version) { |
field = ((char *) dri2_dpy + matches[j].offset); |
*(const __DRIextension **) field = extensions[i]; |
_eglLog(_EGL_INFO, "DRI2: found extension %s version %d", |
extensions[i]->name, extensions[i]->version); |
} |
} |
} |
|
for (j = 0; matches[j].name; j++) { |
field = ((char *) dri2_dpy + matches[j].offset); |
if (*(const __DRIextension **) field == NULL) { |
_eglLog(_EGL_FATAL, "DRI2: did not find extension %s version %d", |
matches[j].name, matches[j].version); |
ret = EGL_FALSE; |
} |
} |
|
return ret; |
} |
|
#if 0 |
|
static const __DRIextension ** |
dri2_open_driver(_EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = disp->DriverData; |
const __DRIextension **extensions; |
char path[PATH_MAX], *search_paths, *p, *next, *end; |
|
search_paths = NULL; |
if (geteuid() == getuid()) { |
/* don't allow setuid apps to use LIBGL_DRIVERS_PATH */ |
search_paths = getenv("LIBGL_DRIVERS_PATH"); |
} |
// if (search_paths == NULL) |
// search_paths = DEFAULT_DRIVER_DIR; |
|
dri2_dpy->driver = NULL; |
end = search_paths + strlen(search_paths); |
for (p = search_paths; p < end && dri2_dpy->driver == NULL; p = next + 1) { |
int len; |
next = strchr(p, ':'); |
if (next == NULL) |
next = end; |
|
len = next - p; |
#if GLX_USE_TLS |
snprintf(path, sizeof path, |
"%.*s/tls/%s_dri.so", len, p, dri2_dpy->driver_name); |
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
#endif |
if (dri2_dpy->driver == NULL) { |
snprintf(path, sizeof path, |
"%.*s/%s_dri.so", len, p, dri2_dpy->driver_name); |
dri2_dpy->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
if (dri2_dpy->driver == NULL) |
_eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror()); |
} |
} |
|
if (dri2_dpy->driver == NULL) { |
_eglLog(_EGL_WARNING, |
"DRI2: failed to open %s (search paths %s)", |
dri2_dpy->driver_name, search_paths); |
return NULL; |
} |
|
_eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path); |
extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS); |
if (extensions == NULL) { |
_eglLog(_EGL_WARNING, |
"DRI2: driver exports no extensions (%s)", dlerror()); |
dlclose(dri2_dpy->driver); |
} |
|
return extensions; |
} |
|
EGLBoolean |
dri2_load_driver(_EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = disp->DriverData; |
const __DRIextension **extensions; |
|
extensions = dri2_open_driver(disp); |
if (!extensions) |
return EGL_FALSE; |
|
if (!dri2_bind_extensions(dri2_dpy, dri2_driver_extensions, extensions)) { |
dlclose(dri2_dpy->driver); |
return EGL_FALSE; |
} |
|
return EGL_TRUE; |
} |
|
EGLBoolean |
dri2_load_driver_swrast(_EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = disp->DriverData; |
const __DRIextension **extensions; |
|
dri2_dpy->driver_name = "swrast"; |
extensions = dri2_open_driver(disp); |
|
if (!extensions) |
return EGL_FALSE; |
|
if (!dri2_bind_extensions(dri2_dpy, swrast_driver_extensions, extensions)) { |
dlclose(dri2_dpy->driver); |
return EGL_FALSE; |
} |
|
return EGL_TRUE; |
} |
#endif |
|
void |
dri2_setup_screen(_EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
unsigned int api_mask; |
|
if (dri2_dpy->dri2) { |
api_mask = dri2_dpy->dri2->getAPIMask(dri2_dpy->dri_screen); |
} else { |
assert(dri2_dpy->swrast); |
api_mask = 1 << __DRI_API_OPENGL | |
1 << __DRI_API_GLES | |
1 << __DRI_API_GLES2 | |
1 << __DRI_API_GLES3; |
} |
|
disp->ClientAPIs = 0; |
if (api_mask & (1 <<__DRI_API_OPENGL)) |
disp->ClientAPIs |= EGL_OPENGL_BIT; |
if (api_mask & (1 <<__DRI_API_GLES)) |
disp->ClientAPIs |= EGL_OPENGL_ES_BIT; |
if (api_mask & (1 << __DRI_API_GLES2)) |
disp->ClientAPIs |= EGL_OPENGL_ES2_BIT; |
if (api_mask & (1 << __DRI_API_GLES3)) |
disp->ClientAPIs |= EGL_OPENGL_ES3_BIT_KHR; |
|
assert(dri2_dpy->dri2 || dri2_dpy->swrast); |
disp->Extensions.KHR_surfaceless_context = EGL_TRUE; |
|
disp->Extensions.MESA_screen_surface = EGL_TRUE; |
|
if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) { |
disp->Extensions.KHR_create_context = EGL_TRUE; |
|
if (dri2_dpy->robustness) |
disp->Extensions.EXT_create_context_robustness = EGL_TRUE; |
} |
|
if (dri2_dpy->image) { |
disp->Extensions.MESA_drm_image = EGL_TRUE; |
disp->Extensions.KHR_image_base = EGL_TRUE; |
disp->Extensions.KHR_gl_renderbuffer_image = EGL_TRUE; |
if (dri2_dpy->image->base.version >= 5 && |
dri2_dpy->image->createImageFromTexture) { |
disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE; |
disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE; |
} |
} |
{ |
_EGLMode *mode; |
_EGLScreen *screen = malloc(sizeof(*screen)); |
|
_eglInitScreen(screen, disp, 3); |
mode = &screen->Modes[0]; |
mode->Width = 800; |
mode->Height = 600; |
mode->RefreshRate = 60; |
mode->Optimal = EGL_FALSE; |
mode->Interlaced = EGL_FALSE; |
mode->Name = "800 x 600 60Hz"; |
|
|
mode = &screen->Modes[1]; |
mode->Width = 1024; |
mode->Height = 768; |
mode->RefreshRate = 60; |
mode->Optimal = EGL_FALSE; |
mode->Interlaced = EGL_FALSE; |
mode->Name = "1024 x 768 60Hz"; |
|
mode = &screen->Modes[2]; |
mode->Width = 1280; |
mode->Height = 1024; |
mode->RefreshRate = 60; |
mode->Optimal = EGL_FALSE; |
mode->Interlaced = EGL_FALSE; |
mode->Name = "1280 x 1024 60Hz"; |
|
_eglLinkScreen(screen); |
} |
} |
|
EGLBoolean |
dri2_create_screen(_EGLDisplay *disp) |
{ |
const __DRIextension **extensions; |
struct dri2_egl_display *dri2_dpy; |
|
dri2_dpy = disp->DriverData; |
|
if (dri2_dpy->dri2) { |
dri2_dpy->dri_screen = |
dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions, |
&dri2_dpy->driver_configs, disp); |
} else { |
assert(dri2_dpy->swrast); |
dri2_dpy->dri_screen = |
dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions, |
&dri2_dpy->driver_configs, disp); |
} |
|
if (dri2_dpy->dri_screen == NULL) { |
_eglLog(_EGL_WARNING, "DRI2: failed to create dri screen"); |
return EGL_FALSE; |
} |
|
dri2_dpy->own_dri_screen = 1; |
|
extensions = dri2_dpy->core->getExtensions(dri2_dpy->dri_screen); |
|
if (dri2_dpy->dri2) { |
unsigned i; |
|
if (!dri2_bind_extensions(dri2_dpy, dri2_core_extensions, extensions)) |
goto cleanup_dri_screen; |
|
for (i = 0; extensions[i]; i++) { |
if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0) { |
dri2_dpy->robustness = (__DRIrobustnessExtension *) extensions[i]; |
} |
if (strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0) { |
dri2_dpy->config = (__DRI2configQueryExtension *) extensions[i]; |
} |
} |
} else { |
assert(dri2_dpy->swrast); |
if (!dri2_bind_extensions(dri2_dpy, swrast_core_extensions, extensions)) |
goto cleanup_dri_screen; |
} |
|
dri2_setup_screen(disp); |
|
return EGL_TRUE; |
|
cleanup_dri_screen: |
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); |
|
return EGL_FALSE; |
} |
|
/** |
* Called via eglInitialize(), GLX_drv->API.Initialize(). |
*/ |
static EGLBoolean |
dri2_initialize(_EGLDriver *drv, _EGLDisplay *disp) |
{ |
/* not until swrast_dri is supported */ |
if (disp->Options.UseFallback) |
return EGL_FALSE; |
|
return dri2_initialize_drm(drv, disp); |
|
#if 0 |
switch (disp->Platform) { |
#ifdef HAVE_X11_PLATFORM |
case _EGL_PLATFORM_X11: |
if (disp->Options.TestOnly) |
return EGL_TRUE; |
return dri2_initialize_x11(drv, disp); |
#endif |
|
#ifdef HAVE_LIBUDEV |
#ifdef HAVE_DRM_PLATFORM |
case _EGL_PLATFORM_DRM: |
if (disp->Options.TestOnly) |
return EGL_TRUE; |
return dri2_initialize_drm(drv, disp); |
#endif |
#ifdef HAVE_WAYLAND_PLATFORM |
case _EGL_PLATFORM_WAYLAND: |
if (disp->Options.TestOnly) |
return EGL_TRUE; |
return dri2_initialize_wayland(drv, disp); |
#endif |
#endif |
#ifdef HAVE_ANDROID_PLATFORM |
case _EGL_PLATFORM_ANDROID: |
if (disp->Options.TestOnly) |
return EGL_TRUE; |
return dri2_initialize_android(drv, disp); |
#endif |
|
default: |
return EGL_FALSE; |
} |
#endif |
} |
|
/** |
* Called via eglTerminate(), drv->API.Terminate(). |
*/ |
static EGLBoolean |
dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
|
_eglReleaseDisplayResources(drv, disp); |
_eglCleanupDisplay(disp); |
|
if (dri2_dpy->own_dri_screen) |
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); |
// if (dri2_dpy->fd) |
// close(dri2_dpy->fd); |
// if (dri2_dpy->driver) |
// dlclose(dri2_dpy->driver); |
free(dri2_dpy->device_name); |
|
if (disp->PlatformDisplay == NULL) { |
switch (disp->Platform) { |
#ifdef HAVE_X11_PLATFORM |
case _EGL_PLATFORM_X11: |
xcb_disconnect(dri2_dpy->conn); |
break; |
#endif |
#ifdef HAVE_DRM_PLATFORM |
case _EGL_PLATFORM_DRM: |
if (dri2_dpy->own_device) { |
gbm_device_destroy(&dri2_dpy->gbm_dri->base.base); |
} |
break; |
#endif |
default: |
break; |
} |
} |
|
free(dri2_dpy); |
disp->DriverData = NULL; |
|
return EGL_TRUE; |
} |
|
/** |
* Set the error code after a call to |
* dri2_egl_display::dri2::createContextAttribs. |
*/ |
static void |
dri2_create_context_attribs_error(int dri_error) |
{ |
EGLint egl_error; |
|
switch (dri_error) { |
case __DRI_CTX_ERROR_SUCCESS: |
return; |
|
case __DRI_CTX_ERROR_NO_MEMORY: |
egl_error = EGL_BAD_ALLOC; |
break; |
|
/* From the EGL_KHR_create_context spec, section "Errors": |
* |
* * If <config> does not support a client API context compatible |
* with the requested API major and minor version, [...] context flags, |
* and context reset notification behavior (for client API types where |
* these attributes are supported), then an EGL_BAD_MATCH error is |
* generated. |
* |
* * If an OpenGL ES context is requested and the values for |
* attributes EGL_CONTEXT_MAJOR_VERSION_KHR and |
* EGL_CONTEXT_MINOR_VERSION_KHR specify an OpenGL ES version that |
* is not defined, than an EGL_BAD_MATCH error is generated. |
* |
* * If an OpenGL context is requested, the requested version is |
* greater than 3.2, and the value for attribute |
* EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR has no bits set; has any |
* bits set other than EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR and |
* EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; has more than |
* one of these bits set; or if the implementation does not support |
* the requested profile, then an EGL_BAD_MATCH error is generated. |
*/ |
case __DRI_CTX_ERROR_BAD_API: |
case __DRI_CTX_ERROR_BAD_VERSION: |
case __DRI_CTX_ERROR_BAD_FLAG: |
egl_error = EGL_BAD_MATCH; |
break; |
|
/* From the EGL_KHR_create_context spec, section "Errors": |
* |
* * If an attribute name or attribute value in <attrib_list> is not |
* recognized (including unrecognized bits in bitmask attributes), |
* then an EGL_BAD_ATTRIBUTE error is generated." |
*/ |
case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE: |
case __DRI_CTX_ERROR_UNKNOWN_FLAG: |
egl_error = EGL_BAD_ATTRIBUTE; |
break; |
|
default: |
assert(0); |
egl_error = EGL_BAD_MATCH; |
break; |
} |
|
_eglError(egl_error, "dri2_create_context"); |
} |
|
/** |
* Called via eglCreateContext(), drv->API.CreateContext(). |
*/ |
static _EGLContext * |
dri2_create_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, |
_EGLContext *share_list, const EGLint *attrib_list) |
{ |
struct dri2_egl_context *dri2_ctx; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_context *dri2_ctx_shared = dri2_egl_context(share_list); |
__DRIcontext *shared = |
dri2_ctx_shared ? dri2_ctx_shared->dri_context : NULL; |
struct dri2_egl_config *dri2_config = dri2_egl_config(conf); |
const __DRIconfig *dri_config; |
int api; |
|
(void) drv; |
|
dri2_ctx = malloc(sizeof *dri2_ctx); |
if (!dri2_ctx) { |
_eglError(EGL_BAD_ALLOC, "eglCreateContext"); |
return NULL; |
} |
|
if (!_eglInitContext(&dri2_ctx->base, disp, conf, attrib_list)) |
goto cleanup; |
|
switch (dri2_ctx->base.ClientAPI) { |
case EGL_OPENGL_ES_API: |
switch (dri2_ctx->base.ClientMajorVersion) { |
case 1: |
api = __DRI_API_GLES; |
break; |
case 2: |
api = __DRI_API_GLES2; |
break; |
case 3: |
api = __DRI_API_GLES3; |
break; |
default: |
_eglError(EGL_BAD_PARAMETER, "eglCreateContext"); |
return NULL; |
} |
break; |
case EGL_OPENGL_API: |
if ((dri2_ctx->base.ClientMajorVersion >= 4 |
|| (dri2_ctx->base.ClientMajorVersion == 3 |
&& dri2_ctx->base.ClientMinorVersion >= 2)) |
&& dri2_ctx->base.Profile == EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR) |
api = __DRI_API_OPENGL_CORE; |
else |
api = __DRI_API_OPENGL; |
break; |
default: |
_eglError(EGL_BAD_PARAMETER, "eglCreateContext"); |
free(dri2_ctx); |
return NULL; |
} |
|
if (conf != NULL) { |
/* The config chosen here isn't necessarily |
* used for surfaces later. |
* A pixmap surface will use the single config. |
* This opportunity depends on disabling the |
* doubleBufferMode check in |
* src/mesa/main/context.c:check_compatible() |
*/ |
if (dri2_config->dri_double_config) |
dri_config = dri2_config->dri_double_config; |
else |
dri_config = dri2_config->dri_single_config; |
|
/* EGL_WINDOW_BIT is set only when there is a dri_double_config. This |
* makes sure the back buffer will always be used. |
*/ |
if (conf->SurfaceType & EGL_WINDOW_BIT) |
dri2_ctx->base.WindowRenderBuffer = EGL_BACK_BUFFER; |
} |
else |
dri_config = NULL; |
|
if (dri2_dpy->dri2) { |
if (dri2_dpy->dri2->base.version >= 3) { |
unsigned error; |
unsigned num_attribs = 0; |
uint32_t ctx_attribs[8]; |
|
ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION; |
ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMajorVersion; |
ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION; |
ctx_attribs[num_attribs++] = dri2_ctx->base.ClientMinorVersion; |
|
if (dri2_ctx->base.Flags != 0) { |
/* If the implementation doesn't support the __DRI2_ROBUSTNESS |
* extension, don't even try to send it the robust-access flag. |
* It may explode. Instead, generate the required EGL error here. |
*/ |
if ((dri2_ctx->base.Flags & EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR) != 0 |
&& !dri2_dpy->robustness) { |
_eglError(EGL_BAD_MATCH, "eglCreateContext"); |
goto cleanup; |
} |
|
ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_FLAGS; |
ctx_attribs[num_attribs++] = dri2_ctx->base.Flags; |
} |
|
if (dri2_ctx->base.ResetNotificationStrategy != EGL_NO_RESET_NOTIFICATION_KHR) { |
/* If the implementation doesn't support the __DRI2_ROBUSTNESS |
* extension, don't even try to send it a reset strategy. It may |
* explode. Instead, generate the required EGL error here. |
*/ |
if (!dri2_dpy->robustness) { |
_eglError(EGL_BAD_CONFIG, "eglCreateContext"); |
goto cleanup; |
} |
|
ctx_attribs[num_attribs++] = __DRI_CTX_ATTRIB_RESET_STRATEGY; |
ctx_attribs[num_attribs++] = __DRI_CTX_RESET_LOSE_CONTEXT; |
} |
|
assert(num_attribs <= ARRAY_SIZE(ctx_attribs)); |
|
dri2_ctx->dri_context = |
dri2_dpy->dri2->createContextAttribs(dri2_dpy->dri_screen, |
api, |
dri_config, |
shared, |
num_attribs / 2, |
ctx_attribs, |
& error, |
dri2_ctx); |
dri2_create_context_attribs_error(error); |
} else { |
dri2_ctx->dri_context = |
dri2_dpy->dri2->createNewContextForAPI(dri2_dpy->dri_screen, |
api, |
dri_config, |
shared, |
dri2_ctx); |
} |
} else { |
assert(dri2_dpy->swrast); |
dri2_ctx->dri_context = |
dri2_dpy->swrast->createNewContextForAPI(dri2_dpy->dri_screen, |
api, |
dri_config, |
shared, |
dri2_ctx); |
} |
|
if (!dri2_ctx->dri_context) |
goto cleanup; |
|
return &dri2_ctx->base; |
|
cleanup: |
free(dri2_ctx); |
return NULL; |
} |
|
/** |
* Called via eglDestroyContext(), drv->API.DestroyContext(). |
*/ |
static EGLBoolean |
dri2_destroy_context(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx) |
{ |
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
|
if (_eglPutContext(ctx)) { |
dri2_dpy->core->destroyContext(dri2_ctx->dri_context); |
free(dri2_ctx); |
} |
|
return EGL_TRUE; |
} |
|
/** |
* Called via eglMakeCurrent(), drv->API.MakeCurrent(). |
*/ |
static EGLBoolean |
dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf, |
_EGLSurface *rsurf, _EGLContext *ctx) |
{ |
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_dsurf = dri2_egl_surface(dsurf); |
struct dri2_egl_surface *dri2_rsurf = dri2_egl_surface(rsurf); |
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx); |
_EGLContext *old_ctx; |
_EGLSurface *old_dsurf, *old_rsurf; |
__DRIdrawable *ddraw, *rdraw; |
__DRIcontext *cctx; |
|
/* make new bindings */ |
if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) |
return EGL_FALSE; |
|
/* flush before context switch */ |
if (old_ctx && dri2_drv->glFlush) |
dri2_drv->glFlush(); |
|
ddraw = (dri2_dsurf) ? dri2_dsurf->dri_drawable : NULL; |
rdraw = (dri2_rsurf) ? dri2_rsurf->dri_drawable : NULL; |
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL; |
|
if (old_ctx) { |
__DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context; |
dri2_dpy->core->unbindContext(old_cctx); |
} |
|
if ((cctx == NULL && ddraw == NULL && rdraw == NULL) || |
dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) { |
if (old_dsurf) |
drv->API.DestroySurface(drv, disp, old_dsurf); |
if (old_rsurf) |
drv->API.DestroySurface(drv, disp, old_rsurf); |
if (old_ctx) |
drv->API.DestroyContext(drv, disp, old_ctx); |
|
return EGL_TRUE; |
} else { |
/* undo the previous _eglBindContext */ |
_eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf); |
assert(&dri2_ctx->base == ctx && |
&dri2_dsurf->base == dsurf && |
&dri2_rsurf->base == rsurf); |
|
_eglPutSurface(dsurf); |
_eglPutSurface(rsurf); |
_eglPutContext(ctx); |
|
_eglPutSurface(old_dsurf); |
_eglPutSurface(old_rsurf); |
_eglPutContext(old_ctx); |
|
return EGL_FALSE; |
} |
} |
|
/* |
* Called from eglGetProcAddress() via drv->API.GetProcAddress(). |
*/ |
static _EGLProc |
dri2_get_proc_address(_EGLDriver *drv, const char *procname) |
{ |
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); |
|
return dri2_drv->get_proc_address(procname); |
} |
|
static EGLBoolean |
dri2_wait_client(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(ctx->DrawSurface); |
|
(void) drv; |
|
/* FIXME: If EGL allows frontbuffer rendering for window surfaces, |
* we need to copy fake to real here.*/ |
|
if (dri2_dpy->flush != NULL) |
dri2_dpy->flush->flush(dri2_surf->dri_drawable); |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_wait_native(_EGLDriver *drv, _EGLDisplay *disp, EGLint engine) |
{ |
(void) drv; |
(void) disp; |
|
if (engine != EGL_CORE_NATIVE_ENGINE) |
return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); |
/* glXWaitX(); */ |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_bind_tex_image(_EGLDriver *drv, |
_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
struct dri2_egl_context *dri2_ctx; |
_EGLContext *ctx; |
GLint format, target; |
|
ctx = _eglGetCurrentContext(); |
dri2_ctx = dri2_egl_context(ctx); |
|
if (!_eglBindTexImage(drv, disp, surf, buffer)) |
return EGL_FALSE; |
|
switch (dri2_surf->base.TextureFormat) { |
case EGL_TEXTURE_RGB: |
format = __DRI_TEXTURE_FORMAT_RGB; |
break; |
case EGL_TEXTURE_RGBA: |
format = __DRI_TEXTURE_FORMAT_RGBA; |
break; |
default: |
assert(0); |
} |
|
switch (dri2_surf->base.TextureTarget) { |
case EGL_TEXTURE_2D: |
target = GL_TEXTURE_2D; |
break; |
default: |
assert(0); |
} |
|
(*dri2_dpy->tex_buffer->setTexBuffer2)(dri2_ctx->dri_context, |
target, format, |
dri2_surf->dri_drawable); |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_release_tex_image(_EGLDriver *drv, |
_EGLDisplay *disp, _EGLSurface *surf, EGLint buffer) |
{ |
#if __DRI_TEX_BUFFER_VERSION >= 3 |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); |
struct dri2_egl_context *dri2_ctx; |
_EGLContext *ctx; |
GLint target; |
|
ctx = _eglGetCurrentContext(); |
dri2_ctx = dri2_egl_context(ctx); |
|
if (!_eglReleaseTexImage(drv, disp, surf, buffer)) |
return EGL_FALSE; |
|
switch (dri2_surf->base.TextureTarget) { |
case EGL_TEXTURE_2D: |
target = GL_TEXTURE_2D; |
break; |
default: |
assert(0); |
} |
if (dri2_dpy->tex_buffer->releaseTexBuffer!=NULL) |
(*dri2_dpy->tex_buffer->releaseTexBuffer)(dri2_ctx->dri_context, |
target, |
dri2_surf->dri_drawable); |
#endif |
|
return EGL_TRUE; |
} |
|
static _EGLImage * |
dri2_create_image(_EGLDisplay *disp, __DRIimage *dri_image) |
{ |
struct dri2_egl_image *dri2_img; |
|
if (dri_image == NULL) { |
_eglError(EGL_BAD_ALLOC, "dri2_create_image"); |
return NULL; |
} |
|
dri2_img = malloc(sizeof *dri2_img); |
if (!dri2_img) { |
_eglError(EGL_BAD_ALLOC, "dri2_create_image"); |
return NULL; |
} |
|
if (!_eglInitImage(&dri2_img->base, disp)) { |
free(dri2_img); |
return NULL; |
} |
|
dri2_img->dri_image = dri_image; |
|
return &dri2_img->base; |
} |
|
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); |
GLuint renderbuffer = (GLuint) (uintptr_t) buffer; |
__DRIimage *dri_image; |
|
if (renderbuffer == 0) { |
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); |
return EGL_NO_IMAGE_KHR; |
} |
|
dri_image = |
dri2_dpy->image->createImageFromRenderbuffer(dri2_ctx->dri_context, |
renderbuffer, NULL); |
|
return dri2_create_image(disp, dri_image); |
} |
|
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); |
EGLint format, name, pitch, err; |
_EGLImageAttribs attrs; |
__DRIimage *dri_image; |
|
name = (EGLint) (uintptr_t) buffer; |
|
err = _eglParseImageAttribList(&attrs, disp, attr_list); |
if (err != EGL_SUCCESS) |
return NULL; |
|
if (attrs.Width <= 0 || attrs.Height <= 0 || |
attrs.DRMBufferStrideMESA <= 0) { |
_eglError(EGL_BAD_PARAMETER, |
"bad width, height or stride"); |
return NULL; |
} |
|
switch (attrs.DRMBufferFormatMESA) { |
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA: |
format = __DRI_IMAGE_FORMAT_ARGB8888; |
pitch = attrs.DRMBufferStrideMESA; |
break; |
default: |
_eglError(EGL_BAD_PARAMETER, |
"dri2_create_image_khr: unsupported pixmap depth"); |
return NULL; |
} |
|
dri_image = |
dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, |
attrs.Width, |
attrs.Height, |
format, |
name, |
pitch, |
NULL); |
|
return dri2_create_image(disp, dri_image); |
} |
|
#ifdef HAVE_WAYLAND_PLATFORM |
|
/* This structure describes how a wl_buffer maps to one or more |
* __DRIimages. A wl_drm_buffer stores the wl_drm format code and the |
* offsets and strides of the planes in the buffer. This table maps a |
* wl_drm format code to a description of the planes in the buffer |
* that lets us create a __DRIimage for each of the planes. */ |
|
static const struct wl_drm_components_descriptor { |
uint32_t dri_components; |
EGLint components; |
int nplanes; |
} wl_drm_components[] = { |
{ __DRI_IMAGE_COMPONENTS_RGB, EGL_TEXTURE_RGB, 1 }, |
{ __DRI_IMAGE_COMPONENTS_RGBA, EGL_TEXTURE_RGBA, 1 }, |
{ __DRI_IMAGE_COMPONENTS_Y_U_V, EGL_TEXTURE_Y_U_V_WL, 3 }, |
{ __DRI_IMAGE_COMPONENTS_Y_UV, EGL_TEXTURE_Y_UV_WL, 2 }, |
{ __DRI_IMAGE_COMPONENTS_Y_XUXV, EGL_TEXTURE_Y_XUXV_WL, 2 }, |
}; |
|
static _EGLImage * |
dri2_create_image_wayland_wl_buffer(_EGLDisplay *disp, _EGLContext *ctx, |
EGLClientBuffer _buffer, |
const EGLint *attr_list) |
{ |
struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
const struct wl_drm_components_descriptor *f; |
__DRIimage *dri_image; |
_EGLImageAttribs attrs; |
EGLint err; |
int32_t plane; |
|
if (!wayland_buffer_is_drm(&buffer->buffer)) |
return NULL; |
|
err = _eglParseImageAttribList(&attrs, disp, attr_list); |
plane = attrs.PlaneWL; |
if (err != EGL_SUCCESS) { |
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer"); |
return NULL; |
} |
|
f = buffer->driver_format; |
if (plane < 0 || plane >= f->nplanes) { |
_eglError(EGL_BAD_PARAMETER, |
"dri2_create_image_wayland_wl_buffer (plane out of bounds)"); |
return NULL; |
} |
|
dri_image = dri2_dpy->image->fromPlanar(buffer->driver_buffer, plane, NULL); |
|
if (dri_image == NULL) { |
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_wayland_wl_buffer"); |
return NULL; |
} |
|
return dri2_create_image(disp, dri_image); |
} |
#endif |
|
/** |
* Set the error code after a call to |
* dri2_egl_image::dri_image::createImageFromTexture. |
*/ |
static void |
dri2_create_image_khr_texture_error(int dri_error) |
{ |
EGLint egl_error; |
|
switch (dri_error) { |
case __DRI_IMAGE_ERROR_SUCCESS: |
return; |
|
case __DRI_IMAGE_ERROR_BAD_ALLOC: |
egl_error = EGL_BAD_ALLOC; |
break; |
|
case __DRI_IMAGE_ERROR_BAD_MATCH: |
egl_error = EGL_BAD_MATCH; |
break; |
|
case __DRI_IMAGE_ERROR_BAD_PARAMETER: |
egl_error = EGL_BAD_PARAMETER; |
break; |
|
default: |
assert(0); |
egl_error = EGL_BAD_MATCH; |
break; |
} |
|
_eglError(egl_error, "dri2_create_image_khr_texture"); |
} |
|
static _EGLImage * |
dri2_create_image_khr_texture(_EGLDisplay *disp, _EGLContext *ctx, |
EGLenum target, |
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 texture = (GLuint) (uintptr_t) buffer; |
_EGLImageAttribs attrs; |
GLuint depth; |
GLenum gl_target; |
unsigned error; |
|
if (texture == 0) { |
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); |
return EGL_NO_IMAGE_KHR; |
} |
|
if (_eglParseImageAttribList(&attrs, disp, attr_list) != EGL_SUCCESS) |
return EGL_NO_IMAGE_KHR; |
|
switch (target) { |
case EGL_GL_TEXTURE_2D_KHR: |
depth = 0; |
gl_target = GL_TEXTURE_2D; |
break; |
case EGL_GL_TEXTURE_3D_KHR: |
depth = attrs.GLTextureZOffset; |
gl_target = GL_TEXTURE_3D; |
break; |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: |
depth = target - EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR; |
gl_target = GL_TEXTURE_CUBE_MAP; |
break; |
default: |
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr"); |
return EGL_NO_IMAGE_KHR; |
} |
|
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)) { |
_eglError(EGL_BAD_ALLOC, "dri2_create_image_khr"); |
free(dri2_img); |
return EGL_NO_IMAGE_KHR; |
} |
|
dri2_img->dri_image = |
dri2_dpy->image->createImageFromTexture(dri2_ctx->dri_context, |
gl_target, |
texture, |
depth, |
attrs.GLTextureLevel, |
&error, |
dri2_img); |
dri2_create_image_khr_texture_error(error); |
|
if (!dri2_img->dri_image) { |
free(dri2_img); |
return EGL_NO_IMAGE_KHR; |
} |
return &dri2_img->base; |
} |
|
_EGLImage * |
dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, |
_EGLContext *ctx, EGLenum target, |
EGLClientBuffer buffer, const EGLint *attr_list) |
{ |
(void) drv; |
|
switch (target) { |
case EGL_GL_TEXTURE_2D_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR: |
case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR: |
return dri2_create_image_khr_texture(disp, ctx, target, 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); |
#ifdef HAVE_WAYLAND_PLATFORM |
case EGL_WAYLAND_BUFFER_WL: |
return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list); |
#endif |
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) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
struct dri2_egl_image *dri2_img = dri2_egl_image(image); |
|
(void) drv; |
|
dri2_dpy->image->destroyImage(dri2_img->dri_image); |
free(dri2_img); |
|
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; |
_EGLImageAttribs attrs; |
unsigned int dri_use, valid_mask; |
int format; |
EGLint err = EGL_SUCCESS; |
|
(void) drv; |
|
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)) { |
err = EGL_BAD_PARAMETER; |
goto cleanup_img; |
} |
|
err = _eglParseImageAttribList(&attrs, disp, attr_list); |
if (err != EGL_SUCCESS) |
goto cleanup_img; |
|
if (attrs.Width <= 0 || attrs.Height <= 0) { |
_eglLog(_EGL_WARNING, "bad width or height (%dx%d)", |
attrs.Width, attrs.Height); |
goto cleanup_img; |
} |
|
switch (attrs.DRMBufferFormatMESA) { |
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA: |
format = __DRI_IMAGE_FORMAT_ARGB8888; |
break; |
default: |
_eglLog(_EGL_WARNING, "bad image format value 0x%04x", |
attrs.DRMBufferFormatMESA); |
goto cleanup_img; |
} |
|
valid_mask = |
EGL_DRM_BUFFER_USE_SCANOUT_MESA | |
EGL_DRM_BUFFER_USE_SHARE_MESA | |
EGL_DRM_BUFFER_USE_CURSOR_MESA; |
if (attrs.DRMBufferUseMESA & ~valid_mask) { |
_eglLog(_EGL_WARNING, "bad image use bit 0x%04x", |
attrs.DRMBufferUseMESA & ~valid_mask); |
goto cleanup_img; |
} |
|
dri_use = 0; |
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SHARE_MESA) |
dri_use |= __DRI_IMAGE_USE_SHARE; |
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_SCANOUT_MESA) |
dri_use |= __DRI_IMAGE_USE_SCANOUT; |
if (attrs.DRMBufferUseMESA & EGL_DRM_BUFFER_USE_CURSOR_MESA) |
dri_use |= __DRI_IMAGE_USE_CURSOR; |
|
dri2_img->dri_image = |
dri2_dpy->image->createImage(dri2_dpy->dri_screen, |
attrs.Width, attrs.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); |
|
(void) drv; |
|
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; |
} |
|
#ifdef HAVE_WAYLAND_PLATFORM |
|
static void |
dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd, |
struct wl_drm_buffer *buffer) |
{ |
_EGLDisplay *disp = user_data; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
__DRIimage *img; |
int i, dri_components = 0; |
|
if (fd == -1) |
img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen, |
buffer->buffer.width, |
buffer->buffer.height, |
buffer->format, |
(int*)&name, 1, |
buffer->stride, |
buffer->offset, |
NULL); |
else |
img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen, |
buffer->buffer.width, |
buffer->buffer.height, |
buffer->format, |
&fd, 1, |
buffer->stride, |
buffer->offset, |
NULL); |
|
if (img == NULL) |
return; |
|
dri2_dpy->image->queryImage(img, __DRI_IMAGE_ATTRIB_COMPONENTS, &dri_components); |
|
buffer->driver_format = NULL; |
for (i = 0; i < ARRAY_SIZE(wl_drm_components); i++) |
if (wl_drm_components[i].dri_components == dri_components) |
buffer->driver_format = &wl_drm_components[i]; |
|
if (buffer->driver_format == NULL) |
dri2_dpy->image->destroyImage(img); |
else |
buffer->driver_buffer = img; |
} |
|
static void |
dri2_wl_release_buffer(void *user_data, struct wl_drm_buffer *buffer) |
{ |
_EGLDisplay *disp = user_data; |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
|
dri2_dpy->image->destroyImage(buffer->driver_buffer); |
} |
|
static struct wayland_drm_callbacks wl_drm_callbacks = { |
.authenticate = NULL, |
.reference_buffer = dri2_wl_reference_buffer, |
.release_buffer = dri2_wl_release_buffer |
}; |
|
static EGLBoolean |
dri2_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp, |
struct wl_display *wl_dpy) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
int ret, flags = 0; |
uint64_t cap; |
|
(void) drv; |
|
if (dri2_dpy->wl_server_drm) |
return EGL_FALSE; |
|
wl_drm_callbacks.authenticate = |
(int(*)(void *, uint32_t)) dri2_dpy->authenticate; |
|
ret = drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap); |
if (ret == 0 && cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) && |
dri2_dpy->image->base.version >= 7 && |
dri2_dpy->image->createImageFromFds != NULL) |
flags |= WAYLAND_DRM_PRIME; |
|
dri2_dpy->wl_server_drm = |
wayland_drm_init(wl_dpy, dri2_dpy->device_name, |
&wl_drm_callbacks, disp, flags); |
|
if (!dri2_dpy->wl_server_drm) |
return EGL_FALSE; |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *disp, |
struct wl_display *wl_dpy) |
{ |
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
|
(void) drv; |
|
if (!dri2_dpy->wl_server_drm) |
return EGL_FALSE; |
|
wayland_drm_uninit(dri2_dpy->wl_server_drm); |
dri2_dpy->wl_server_drm = NULL; |
|
return EGL_TRUE; |
} |
|
static EGLBoolean |
dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp, |
struct wl_buffer *_buffer, |
EGLint attribute, EGLint *value) |
{ |
struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer; |
const struct wl_drm_components_descriptor *format; |
|
if (!wayland_buffer_is_drm(&buffer->buffer)) |
return EGL_FALSE; |
|
format = buffer->driver_format; |
switch (attribute) { |
case EGL_TEXTURE_FORMAT: |
*value = format->components; |
return EGL_TRUE; |
case EGL_WIDTH: |
*value = buffer->buffer.width; |
return EGL_TRUE; |
case EGL_HEIGHT: |
*value = buffer->buffer.height; |
return EGL_TRUE; |
} |
|
return EGL_FALSE; |
} |
#endif |
|
static void |
dri2_unload(_EGLDriver *drv) |
{ |
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); |
|
// if (dri2_drv->handle) |
// dlclose(dri2_drv->handle); |
free(dri2_drv); |
} |
|
static EGLBoolean |
dri2_load(_EGLDriver *drv) |
{ |
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); |
const char *libname = "libGL.dll"; |
|
lib_handle handle; |
|
handle = load_library(libname); |
if (handle) { |
dri2_drv->get_proc_address = (_EGLProc (*)(const char *)) |
get_proc_address(handle, "_glapi_get_proc_address"); |
if (!dri2_drv->get_proc_address) { |
/* no need to keep a reference */ |
handle = 0; |
} |
} |
|
/* if glapi is not available, loading DRI drivers will fail */ |
if (!dri2_drv->get_proc_address) { |
_eglLog(_EGL_WARNING, "DRI2: failed to find _glapi_get_proc_address"); |
return EGL_FALSE; |
} |
|
dri2_drv->glFlush = (void (*)(void)) |
dri2_drv->get_proc_address("glFlush"); |
|
dri2_drv->handle = (void*)handle; |
|
return EGL_TRUE; |
} |
|
/** |
* This is the main entrypoint into the driver, called by libEGL. |
* Create a new _EGLDriver object and init its dispatch table. |
*/ |
_EGLDriver * |
_eglBuiltInDriverDRI2(const char *args) |
{ |
struct dri2_egl_driver *dri2_drv; |
|
(void) args; |
|
dri2_drv = calloc(1, sizeof *dri2_drv); |
if (!dri2_drv) |
return NULL; |
|
if (!dri2_load(&dri2_drv->base)) { |
free(dri2_drv); |
return NULL; |
} |
|
_eglInitDriverFallbacks(&dri2_drv->base); |
dri2_drv->base.API.Initialize = dri2_initialize; |
dri2_drv->base.API.Terminate = dri2_terminate; |
dri2_drv->base.API.CreateContext = dri2_create_context; |
dri2_drv->base.API.DestroyContext = dri2_destroy_context; |
dri2_drv->base.API.MakeCurrent = dri2_make_current; |
dri2_drv->base.API.GetProcAddress = dri2_get_proc_address; |
dri2_drv->base.API.WaitClient = dri2_wait_client; |
dri2_drv->base.API.WaitNative = dri2_wait_native; |
dri2_drv->base.API.BindTexImage = dri2_bind_tex_image; |
dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image; |
dri2_drv->base.API.CreateImageKHR = dri2_create_image_khr; |
dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr; |
dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa; |
dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa; |
#ifdef HAVE_WAYLAND_PLATFORM |
dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl; |
dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl; |
dri2_drv->base.API.QueryWaylandBufferWL = dri2_query_wayland_buffer_wl; |
#endif |
|
dri2_drv->base.Name = "DRI2"; |
dri2_drv->base.Unload = dri2_unload; |
|
return &dri2_drv->base; |
} |