diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/egl/intel_egl.c')
| -rw-r--r-- | src/gallium/winsys/drm/intel/egl/intel_egl.c | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/src/gallium/winsys/drm/intel/egl/intel_egl.c b/src/gallium/winsys/drm/intel/egl/intel_egl.c deleted file mode 100644 index ed464076ee..0000000000 --- a/src/gallium/winsys/drm/intel/egl/intel_egl.c +++ /dev/null @@ -1,796 +0,0 @@ - -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <stdint.h> - -#include "eglconfig.h" -#include "eglcontext.h" -#include "egldisplay.h" -#include "egldriver.h" -#include "eglglobals.h" -#include "eglmode.h" -#include "eglscreen.h" -#include "eglsurface.h" -#include "egllog.h" - -#include "intel_egl.h" - -#include "xf86drm.h" -#include "xf86drmMode.h" - -#include "intel_context.h" - -#include "state_tracker/st_public.h" - -#define MAX_SCREENS 16 - -static void -drm_get_device_id(struct egl_drm_device *device) -{ - char path[512]; - FILE *file; - - /* TODO get the real minor */ - int minor = 0; - - snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", minor); - file = fopen(path, "r"); - if (!file) { - _eglLog(_EGL_WARNING, "Could not retrive device ID\n"); - return; - } - - fgets(path, sizeof( path ), file); - sscanf(path, "%x", &device->deviceID); - fclose(file); -} - -static struct egl_drm_device* -egl_drm_create_device(int drmFD) -{ - struct egl_drm_device *device = malloc(sizeof(*device)); - memset(device, 0, sizeof(*device)); - device->drmFD = drmFD; - - device->version = drmGetVersion(device->drmFD); - - drm_get_device_id(device); - - if (!intel_create_device(device)) { - free(device); - return NULL; - } - - return device; -} - -static void -_egl_context_modes_destroy(__GLcontextModes *modes) -{ - _eglLog(_EGL_DEBUG, "%s", __FUNCTION__); - - while (modes) { - __GLcontextModes * const next = modes->next; - free(modes); - modes = next; - } -} -/** - * Create a linked list of 'count' GLcontextModes. - * These are used during the client/server visual negotiation phase, - * then discarded. - */ -static __GLcontextModes * -_egl_context_modes_create(unsigned count, size_t minimum_size) -{ - /* This code copied from libGLX, and modified */ - const size_t size = (minimum_size > sizeof(__GLcontextModes)) - ? minimum_size : sizeof(__GLcontextModes); - __GLcontextModes * head = NULL; - __GLcontextModes ** next; - unsigned i; - - _eglLog(_EGL_DEBUG, "%s %d %d", __FUNCTION__, count, minimum_size); - - next = & head; - for (i = 0 ; i < count ; i++) { - *next = (__GLcontextModes *) calloc(1, size); - if (*next == NULL) { - _egl_context_modes_destroy(head); - head = NULL; - break; - } - - (*next)->doubleBufferMode = 1; - (*next)->visualID = GLX_DONT_CARE; - (*next)->visualType = GLX_DONT_CARE; - (*next)->visualRating = GLX_NONE; - (*next)->transparentPixel = GLX_NONE; - (*next)->transparentRed = GLX_DONT_CARE; - (*next)->transparentGreen = GLX_DONT_CARE; - (*next)->transparentBlue = GLX_DONT_CARE; - (*next)->transparentAlpha = GLX_DONT_CARE; - (*next)->transparentIndex = GLX_DONT_CARE; - (*next)->xRenderable = GLX_DONT_CARE; - (*next)->fbconfigID = GLX_DONT_CARE; - (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML; - (*next)->bindToTextureRgb = GLX_DONT_CARE; - (*next)->bindToTextureRgba = GLX_DONT_CARE; - (*next)->bindToMipmapTexture = GLX_DONT_CARE; - (*next)->bindToTextureTargets = 0; - (*next)->yInverted = GLX_DONT_CARE; - - next = & ((*next)->next); - } - - return head; -} - -struct drm_screen; - -struct drm_driver -{ - _EGLDriver base; /* base class/object */ - - drmModeResPtr res; - - struct drm_screen *screens[MAX_SCREENS]; - size_t count_screens; - - struct egl_drm_device *device; -}; - -struct drm_surface -{ - _EGLSurface base; /* base class/object */ - - struct egl_drm_drawable *drawable; -}; - -struct drm_context -{ - _EGLContext base; /* base class/object */ - - struct egl_drm_context *context; -}; - -struct drm_screen -{ - _EGLScreen base; - - /* currently only support one connector */ - drmModeConnectorPtr connector; - - /* Has this screen been shown */ - int shown; - - /* Surface that is currently attached to this screen */ - struct drm_surface *surf; - - /* backing buffer */ - drmBO buffer; - - /* framebuffer */ - drmModeFBPtr fb; - uint32_t fbID; - - /* crtc and mode used */ - drmModeCrtcPtr crtc; - uint32_t crtcID; - - struct drm_mode_modeinfo *mode; - - /* geometry of the screen */ - struct egl_drm_frontbuffer front; -}; - -static void -drm_update_res(struct drm_driver *drm_drv) -{ - drmModeFreeResources(drm_drv->res); - drm_drv->res = drmModeGetResources(drm_drv->device->drmFD); -} - -static void -drm_add_modes_from_connector(_EGLScreen *screen, drmModeConnectorPtr connector) -{ - struct drm_mode_modeinfo *m; - int i; - - for (i = 0; i < connector->count_modes; i++) { - m = &connector->modes[i]; - _eglAddNewMode(screen, m->hdisplay, m->vdisplay, m->vrefresh, m->name); - } -} - - -static EGLBoolean -drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor) -{ - _EGLDisplay *disp = _eglLookupDisplay(dpy); - struct drm_driver *drm_drv = (struct drm_driver *)drv; - struct drm_screen *screen = NULL; - drmModeConnectorPtr connector = NULL; - drmModeResPtr res = NULL; - unsigned count_connectors = 0; - int num_screens = 0; - - EGLint i; - int fd; - - fd = drmOpen("i915", NULL); - if (fd < 0) { - return EGL_FALSE; - } - - drm_drv->device = egl_drm_create_device(fd); - if (!drm_drv->device) { - drmClose(fd); - return EGL_FALSE; - } - - drm_update_res(drm_drv); - res = drm_drv->res; - if (res) - count_connectors = res->count_connectors; - - for(i = 0; i < count_connectors && i < MAX_SCREENS; i++) { - connector = drmModeGetConnector(fd, res->connectors[i]); - - if (!connector) - continue; - - if (connector->connection != DRM_MODE_CONNECTED) { - drmModeFreeConnector(connector); - continue; - } - - screen = malloc(sizeof(struct drm_screen)); - memset(screen, 0, sizeof(*screen)); - screen->connector = connector; - _eglInitScreen(&screen->base); - _eglAddScreen(disp, &screen->base); - drm_add_modes_from_connector(&screen->base, connector); - drm_drv->screens[num_screens++] = screen; - } - drm_drv->count_screens = num_screens; - - /* for now we only have one config */ - _EGLConfig *config = calloc(1, sizeof(*config)); - memset(config, 1, sizeof(*config)); - _eglInitConfig(config, 1); - _eglSetConfigAttrib(config, EGL_RED_SIZE, 8); - _eglSetConfigAttrib(config, EGL_GREEN_SIZE, 8); - _eglSetConfigAttrib(config, EGL_BLUE_SIZE, 8); - _eglSetConfigAttrib(config, EGL_ALPHA_SIZE, 8); - _eglSetConfigAttrib(config, EGL_BUFFER_SIZE, 32); - _eglSetConfigAttrib(config, EGL_DEPTH_SIZE, 24); - _eglSetConfigAttrib(config, EGL_STENCIL_SIZE, 8); - _eglSetConfigAttrib(config, EGL_SURFACE_TYPE, EGL_PBUFFER_BIT); - _eglAddConfig(disp, config); - - drv->Initialized = EGL_TRUE; - - *major = 1; - *minor = 4; - - return EGL_TRUE; -} - -static void -drm_takedown_shown_screen(_EGLDriver *drv, struct drm_screen *screen) -{ - struct drm_driver *drm_drv = (struct drm_driver *)drv; - unsigned int i; - - intel_bind_frontbuffer(screen->surf->drawable, NULL); - screen->surf = NULL; - - for (i = 0; i < drm_drv->res->count_crtcs; i++) { - drmModeSetCrtc( - drm_drv->device->drmFD, - drm_drv->res->crtcs[i], - 0, // FD - 0, 0, - NULL, 0, // List of output ids - NULL); - } - - drmModeRmFB(drm_drv->device->drmFD, screen->fbID); - drmModeFreeFB(screen->fb); - screen->fb = NULL; - - drmBOUnreference(drm_drv->device->drmFD, &screen->buffer); - - screen->shown = 0; -} - -static EGLBoolean -drm_terminate(_EGLDriver *drv, EGLDisplay dpy) -{ - struct drm_driver *drm_drv = (struct drm_driver *)drv; - struct drm_screen *screen; - int i = 0; - - intel_destroy_device(drm_drv->device); - drmFreeVersion(drm_drv->device->version); - - for (i = 0; i < drm_drv->count_screens; i++) { - screen = drm_drv->screens[i]; - - if (screen->shown) - drm_takedown_shown_screen(drv, screen); - - drmModeFreeConnector(screen->connector); - _eglDestroyScreen(&screen->base); - drm_drv->screens[i] = NULL; - } - - drmClose(drm_drv->device->drmFD); - - free(drm_drv->device); - - _eglCleanupDisplay(_eglLookupDisplay(dpy)); - free(drm_drv); - - return EGL_TRUE; -} - - -static struct drm_context * -lookup_drm_context(EGLContext context) -{ - _EGLContext *c = _eglLookupContext(context); - return (struct drm_context *) c; -} - - -static struct drm_surface * -lookup_drm_surface(EGLSurface surface) -{ - _EGLSurface *s = _eglLookupSurface(surface); - return (struct drm_surface *) s; -} - -static struct drm_screen * -lookup_drm_screen(EGLDisplay dpy, EGLScreenMESA screen) -{ - _EGLScreen *s = _eglLookupScreen(dpy, screen); - return (struct drm_screen *) s; -} - -static __GLcontextModes* -visual_from_config(_EGLConfig *conf) -{ - __GLcontextModes *visual; - (void)conf; - - visual = _egl_context_modes_create(1, sizeof(*visual)); - visual->redBits = 8; - visual->greenBits = 8; - visual->blueBits = 8; - visual->alphaBits = 8; - - visual->rgbBits = 32; - visual->doubleBufferMode = 1; - - visual->depthBits = 24; - visual->haveDepthBuffer = visual->depthBits > 0; - visual->stencilBits = 8; - visual->haveStencilBuffer = visual->stencilBits > 0; - - return visual; -} - - - -static EGLContext -drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) -{ - struct drm_driver *drm_drv = (struct drm_driver *)drv; - struct drm_context *c; - struct drm_egl_context *share = NULL; - _EGLConfig *conf; - int i; - int ret; - __GLcontextModes *visual; - struct egl_drm_context *context; - - conf = _eglLookupConfig(drv, dpy, config); - if (!conf) { - _eglError(EGL_BAD_CONFIG, "eglCreateContext"); - return EGL_NO_CONTEXT; - } - - for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) { - switch (attrib_list[i]) { - /* no attribs defined for now */ - default: - _eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext"); - return EGL_NO_CONTEXT; - } - } - - c = (struct drm_context *) calloc(1, sizeof(struct drm_context)); - if (!c) - return EGL_NO_CONTEXT; - - _eglInitContext(drv, dpy, &c->base, config, attrib_list); - - context = malloc(sizeof(*context)); - memset(context, 0, sizeof(*context)); - - if (!context) - goto err_c; - - context->device = drm_drv->device; - visual = visual_from_config(conf); - - ret = intel_create_context(context, visual, share); - free(visual); - - if (!ret) - goto err_gl; - - c->context = context; - - /* generate handle and insert into hash table */ - _eglSaveContext(&c->base); - assert(_eglGetContextHandle(&c->base)); - - return _eglGetContextHandle(&c->base); -err_gl: - free(context); -err_c: - free(c); - return EGL_NO_CONTEXT; -} - -static EGLBoolean -drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context) -{ - struct drm_context *fc = lookup_drm_context(context); - _eglRemoveContext(&fc->base); - if (fc->base.IsBound) { - fc->base.DeletePending = EGL_TRUE; - } else { - intel_destroy_context(fc->context); - free(fc->context); - free(fc); - } - return EGL_TRUE; -} - - -static EGLSurface -drm_create_window_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list) -{ - return EGL_NO_SURFACE; -} - - -static EGLSurface -drm_create_pixmap_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list) -{ - return EGL_NO_SURFACE; -} - - -static EGLSurface -drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, - const EGLint *attrib_list) -{ - struct drm_driver *drm_drv = (struct drm_driver *)drv; - int i; - int ret; - int width = -1; - int height = -1; - struct drm_surface *surf = NULL; - struct egl_drm_drawable *drawable = NULL; - __GLcontextModes *visual; - _EGLConfig *conf; - - conf = _eglLookupConfig(drv, dpy, config); - if (!conf) { - _eglError(EGL_BAD_CONFIG, "eglCreatePbufferSurface"); - return EGL_NO_CONTEXT; - } - - for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) { - switch (attrib_list[i]) { - case EGL_WIDTH: - width = attrib_list[++i]; - break; - case EGL_HEIGHT: - height = attrib_list[++i]; - break; - default: - _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface"); - return EGL_NO_SURFACE; - } - } - - if (width < 1 || height < 1) { - _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface"); - return EGL_NO_SURFACE; - } - - surf = (struct drm_surface *) calloc(1, sizeof(struct drm_surface)); - if (!surf) - goto err; - - if (!_eglInitSurface(drv, dpy, &surf->base, EGL_PBUFFER_BIT, config, attrib_list)) - goto err_surf; - - drawable = malloc(sizeof(*drawable)); - memset(drawable, 0, sizeof(*drawable)); - - drawable->w = width; - drawable->h = height; - - visual = visual_from_config(conf); - - drawable->device = drm_drv->device; - ret = intel_create_drawable(drawable, visual); - free(visual); - - if (!ret) - goto err_draw; - - surf->drawable = drawable; - - _eglSaveSurface(&surf->base); - return surf->base.Handle; - -err_draw: - free(drawable); -err_surf: - free(surf); -err: - return EGL_NO_SURFACE; -} - -static EGLSurface -drm_create_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, - const EGLint *attrib_list) -{ - EGLSurface surf = drm_create_pbuffer_surface(drv, dpy, cfg, attrib_list); - - return surf; -} - -static struct drm_mode_modeinfo * -drm_find_mode(drmModeConnectorPtr connector, _EGLMode *mode) -{ - int i; - struct drm_mode_modeinfo *m = NULL; - - for (i = 0; i < connector->count_modes; i++) { - m = &connector->modes[i]; - if (m->hdisplay == mode->Width && m->vdisplay == mode->Height && m->vrefresh == mode->RefreshRate) - break; - m = &connector->modes[0]; /* if we can't find one, return first */ - } - - return m; -} -static void -draw(size_t x, size_t y, size_t w, size_t h, size_t pitch, size_t v, unsigned int *ptr) -{ - int i, j; - - for (i = x; i < x + w; i++) - for(j = y; j < y + h; j++) - ptr[(i * pitch / 4) + j] = v; - -} - -static void -prettyColors(int fd, unsigned int handle, size_t pitch) -{ - drmBO bo; - unsigned int *ptr; - void *p; - int i; - - drmBOReference(fd, handle, &bo); - drmBOMap(fd, &bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &p); - ptr = (unsigned int*)p; - - for (i = 0; i < (bo.size / 4); i++) - ptr[i] = 0xFFFFFFFF; - - for (i = 0; i < 4; i++) - draw(i * 40, i * 40, 40, 40, pitch, 0, ptr); - - - draw(200, 100, 40, 40, pitch, 0xff00ff, ptr); - draw(100, 200, 40, 40, pitch, 0xff00ff, ptr); - - drmBOUnmap(fd, &bo); -} - -static EGLBoolean -drm_show_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, - EGLScreenMESA screen, - EGLSurface surface, EGLModeMESA m) -{ - struct drm_driver *drm_drv = (struct drm_driver *)drv; - struct drm_surface *surf = lookup_drm_surface(surface); - struct drm_screen *scrn = lookup_drm_screen(dpy, screen); - _EGLMode *mode = _eglLookupMode(dpy, m); - size_t pitch = mode->Width * 4; - size_t size = mode->Height * pitch; - int ret; - unsigned int i,j,k; - - if (scrn->shown) - drm_takedown_shown_screen(drv, scrn); - - ret = drmBOCreate(drm_drv->device->drmFD, size, 0, 0, - DRM_BO_FLAG_READ | - DRM_BO_FLAG_WRITE | - DRM_BO_FLAG_MEM_TT | - DRM_BO_FLAG_MEM_VRAM | - DRM_BO_FLAG_NO_EVICT, - DRM_BO_HINT_DONT_FENCE, &scrn->buffer); - - if (ret) - return EGL_FALSE; - - prettyColors(drm_drv->device->drmFD, scrn->buffer.handle, pitch); - - ret = drmModeAddFB(drm_drv->device->drmFD, mode->Width, mode->Height, - 32, 32, pitch, - scrn->buffer.handle, - &scrn->fbID); - - if (ret) - goto err_bo; - - scrn->fb = drmModeGetFB(drm_drv->device->drmFD, scrn->fbID); - if (!scrn->fb) - goto err_bo; - - for (j = 0; j < drm_drv->res->count_connectors; j++) { - drmModeConnector *con = drmModeGetConnector(drm_drv->device->drmFD, drm_drv->res->connectors[j]); - scrn->mode = drm_find_mode(con, mode); - if (!scrn->mode) - goto err_fb; - - for (k = 0; k < con->count_encoders; k++) { - drmModeEncoder *enc = drmModeGetEncoder(drm_drv->device->drmFD, con->encoders[k]); - for (i = 0; i < drm_drv->res->count_crtcs; i++) { - if (enc->possible_crtcs & (1<<i)) { - ret = drmModeSetCrtc( - drm_drv->device->drmFD, - drm_drv->res->crtcs[i], - scrn->fbID, - 0, 0, - &drm_drv->res->connectors[j], 1, - scrn->mode); - /* skip the other crtcs now */ - i = drm_drv->res->count_crtcs; - } - } - } - } - - scrn->front.handle = scrn->buffer.handle; - scrn->front.pitch = pitch; - scrn->front.width = mode->Width; - scrn->front.height = mode->Height; - - scrn->surf = surf; - intel_bind_frontbuffer(surf->drawable, &scrn->front); - - scrn->shown = 1; - - return EGL_TRUE; - -err_fb: - /* TODO remove fb */ - -err_bo: - drmBOUnreference(drm_drv->device->drmFD, &scrn->buffer); - return EGL_FALSE; -} - -static EGLBoolean -drm_destroy_surface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) -{ - struct drm_surface *fs = lookup_drm_surface(surface); - _eglRemoveSurface(&fs->base); - if (fs->base.IsBound) { - fs->base.DeletePending = EGL_TRUE; - } else { - intel_bind_frontbuffer(fs->drawable, NULL); - intel_destroy_drawable(fs->drawable); - free(fs->drawable); - free(fs); - } - return EGL_TRUE; -} - - -static EGLBoolean -drm_make_current(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context) -{ - struct drm_surface *readSurf = lookup_drm_surface(read); - struct drm_surface *drawSurf = lookup_drm_surface(draw); - struct drm_context *ctx = lookup_drm_context(context); - EGLBoolean b; - - b = _eglMakeCurrent(drv, dpy, draw, read, context); - if (!b) - return EGL_FALSE; - - if (ctx) { - if (!drawSurf || !readSurf) - return EGL_FALSE; - - intel_make_current(ctx->context, drawSurf->drawable, readSurf->drawable); - } else { - intel_make_current(NULL, NULL, NULL); - } - - return EGL_TRUE; -} - -static EGLBoolean -drm_swap_buffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw) -{ - struct drm_surface *surf = lookup_drm_surface(draw); - if (!surf) - return EGL_FALSE; - - /* error checking */ - if (!_eglSwapBuffers(drv, dpy, draw)) - return EGL_FALSE; - - intel_swap_buffers(surf->drawable); - return EGL_TRUE; -} - - -/** - * The bootstrap function. Return a new drm_driver object and - * plug in API functions. - */ -_EGLDriver * -_eglMain(_EGLDisplay *dpy, const char *args) -{ - struct drm_driver *drm; - - drm = (struct drm_driver *) calloc(1, sizeof(struct drm_driver)); - if (!drm) { - return NULL; - } - - /* First fill in the dispatch table with defaults */ - _eglInitDriverFallbacks(&drm->base); - /* then plug in our Drm-specific functions */ - drm->base.API.Initialize = drm_initialize; - drm->base.API.Terminate = drm_terminate; - drm->base.API.CreateContext = drm_create_context; - drm->base.API.MakeCurrent = drm_make_current; - drm->base.API.CreateWindowSurface = drm_create_window_surface; - drm->base.API.CreatePixmapSurface = drm_create_pixmap_surface; - drm->base.API.CreatePbufferSurface = drm_create_pbuffer_surface; - drm->base.API.DestroySurface = drm_destroy_surface; - drm->base.API.DestroyContext = drm_destroy_context; - drm->base.API.CreateScreenSurfaceMESA = drm_create_screen_surface_mesa; - drm->base.API.ShowScreenSurfaceMESA = drm_show_screen_surface_mesa; - drm->base.API.SwapBuffers = drm_swap_buffers; - - drm->base.ClientAPIsMask = EGL_OPENGL_BIT /*| EGL_OPENGL_ES_BIT*/; - drm->base.Name = "DRM/Gallium"; - - /* enable supported extensions */ - drm->base.Extensions.MESA_screen_surface = EGL_TRUE; - drm->base.Extensions.MESA_copy_context = EGL_TRUE; - - return &drm->base; -} |