/* * Copyright (C) 2009-2010 Francisco Jerez. * All Rights Reserved. * * 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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. * */ #include #include "nouveau_driver.h" #include "nouveau_context.h" #include "nouveau_bufferobj.h" #include "nouveau_fbo.h" #include "nv_object.xml.h" #include "main/api_exec.h" #include "main/dd.h" #include "main/framebuffer.h" #include "main/fbobject.h" #include "main/light.h" #include "main/state.h" #include "main/version.h" #include "main/vtxfmt.h" #include "drivers/common/meta.h" #include "drivers/common/driverfuncs.h" #include "swrast/swrast.h" #include "swrast/s_context.h" #include "vbo/vbo.h" #include "tnl/tnl.h" #include "tnl/t_context.h" GLboolean nouveau_context_create(gl_api api, const struct gl_config *visual, __DRIcontext *dri_ctx, unsigned major_version, unsigned minor_version, uint32_t flags, unsigned *error, void *share_ctx) { __DRIscreen *dri_screen = dri_ctx->driScreenPriv; struct nouveau_screen *screen = dri_screen->driverPrivate; struct nouveau_context *nctx; struct gl_context *ctx; switch (api) { case API_OPENGL_COMPAT: /* Do after-the-fact version checking (below). */ break; case API_OPENGLES: /* NV10 and NV20 can support OpenGL ES 1.0 only. Older chips * cannot do even that. */ if ((screen->device->chipset & 0xf0) == 0x00) { *error = __DRI_CTX_ERROR_BAD_API; return GL_FALSE; } else if (minor_version != 0) { *error = __DRI_CTX_ERROR_BAD_VERSION; return GL_FALSE; } break; case API_OPENGLES2: case API_OPENGL_CORE: *error = __DRI_CTX_ERROR_BAD_API; return GL_FALSE; } /* API and flag filtering is handled in dri2CreateContextAttribs. */ (void) flags; ctx = screen->driver->context_create(screen, visual, share_ctx); if (!ctx) { *error = __DRI_CTX_ERROR_NO_MEMORY; return GL_FALSE; } nctx = to_nouveau_context(ctx); nctx->dri_context = dri_ctx; dri_ctx->driverPrivate = ctx; _mesa_compute_version(ctx); if (ctx->Version < major_version * 10 + minor_version) { nouveau_context_destroy(dri_ctx); *error = __DRI_CTX_ERROR_BAD_VERSION; return GL_FALSE; } /* Exec table initialization requires the version to be computed */ _mesa_initialize_dispatch_tables(ctx); _mesa_initialize_vbo_vtxfmt(ctx); if (nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, 4096, NULL, &nctx->fence)) { nouveau_context_destroy(dri_ctx); *error = __DRI_CTX_ERROR_NO_MEMORY; return GL_FALSE; } *error = __DRI_CTX_ERROR_SUCCESS; return GL_TRUE; } GLboolean nouveau_context_init(struct gl_context *ctx, struct nouveau_screen *screen, const struct gl_config *visual, struct gl_context *share_ctx) { struct nouveau_context *nctx = to_nouveau_context(ctx); struct dd_function_table functions; int ret; nctx->screen = screen; nctx->fallback = HWTNL; /* Initialize the function pointers. */ _mesa_init_driver_functions(&functions); nouveau_driver_functions_init(&functions); nouveau_bufferobj_functions_init(&functions); nouveau_texture_functions_init(&functions); nouveau_fbo_functions_init(&functions); /* Initialize the mesa context. */ _mesa_initialize_context(ctx, API_OPENGL_COMPAT, visual, share_ctx, &functions); nouveau_state_init(ctx); nouveau_scratch_init(ctx); _mesa_meta_init(ctx); _swrast_CreateContext(ctx); _vbo_CreateContext(ctx); _tnl_CreateContext(ctx); nouveau_span_functions_init(ctx); _mesa_allow_light_in_model(ctx, GL_FALSE); /* Allocate a hardware channel. */ ret = nouveau_object_new(&context_dev(ctx)->object, 0xbeef0000, NOUVEAU_FIFO_CHANNEL_CLASS, &(struct nv04_fifo){ .vram = 0xbeef0201, .gart = 0xbeef0202 }, sizeof(struct nv04_fifo), &nctx->hw.chan); if (ret) { nouveau_error("Error initializing the FIFO.\n"); return GL_FALSE; } /* Allocate a client (thread data) */ ret = nouveau_client_new(context_dev(ctx), &nctx->hw.client); if (ret) { nouveau_error("Error creating thread data\n"); return GL_FALSE; } /* Allocate a push buffer */ ret = nouveau_pushbuf_new(nctx->hw.client, nctx->hw.chan, 4, 512 * 1024, true, &nctx->hw.pushbuf); if (ret) { nouveau_error("Error allocating DMA push buffer\n"); return GL_FALSE; } /* Allocate buffer context */ ret = nouveau_bufctx_new(nctx->hw.client, 16, &nctx->hw.bufctx); if (ret) { nouveau_error("Error allocating buffer context\n"); return GL_FALSE; } nctx->hw.pushbuf->user_priv = nctx->hw.bufctx; /* Allocate NULL object */ ret = nouveau_object_new(nctx->hw.chan, 0x00000000, NV01_NULL_CLASS, NULL, 0, &nctx->hw.null); if (ret) { nouveau_error("Error allocating NULL object\n"); return GL_FALSE; } /* Enable any supported extensions. */ ctx->Extensions.EXT_blend_color = true; ctx->Extensions.EXT_blend_minmax = true; ctx->Extensions.EXT_framebuffer_blit = true; ctx->Extensions.EXT_packed_depth_stencil = true; ctx->Extensions.EXT_texture_filter_anisotropic = true; ctx->Extensions.NV_texture_env_combine4 = true; return GL_TRUE; } void nouveau_context_deinit(struct gl_context *ctx) { struct nouveau_context *nctx = to_nouveau_context(ctx); if (TNL_CONTEXT(ctx)) _tnl_DestroyContext(ctx); if (vbo_context(ctx)) _vbo_DestroyContext(ctx); if (SWRAST_CONTEXT(ctx)) _swrast_DestroyContext(ctx); if (ctx->Meta) _mesa_meta_free(ctx); nouveau_bufctx_del(&nctx->hw.bufctx); nouveau_pushbuf_del(&nctx->hw.pushbuf); nouveau_client_del(&nctx->hw.client); nouveau_object_del(&nctx->hw.chan); nouveau_scratch_destroy(ctx); _mesa_free_context_data(ctx); } void nouveau_context_destroy(__DRIcontext *dri_ctx) { struct nouveau_context *nctx = dri_ctx->driverPrivate; struct gl_context *ctx = &nctx->base; nouveau_bo_ref(NULL, &nctx->fence); context_drv(ctx)->context_destroy(ctx); } void nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw) { struct gl_context *ctx = dri_ctx->driverPrivate; struct nouveau_context *nctx = to_nouveau_context(ctx); __DRIscreen *screen = dri_ctx->driScreenPriv; struct gl_framebuffer *fb = draw->driverPrivate; struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); unsigned int attachments[10]; __DRIbuffer *buffers = NULL; int i = 0, count, ret; if (draw->lastStamp == draw->dri2.stamp) return; draw->lastStamp = draw->dri2.stamp; if (nfb->need_front) attachments[i++] = __DRI_BUFFER_FRONT_LEFT; if (fb->Visual.doubleBufferMode) attachments[i++] = __DRI_BUFFER_BACK_LEFT; if (fb->Visual.haveDepthBuffer && fb->Visual.haveStencilBuffer) attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL; else if (fb->Visual.haveDepthBuffer) attachments[i++] = __DRI_BUFFER_DEPTH; else if (fb->Visual.haveStencilBuffer) attachments[i++] = __DRI_BUFFER_STENCIL; buffers = (*screen->dri2.loader->getBuffers)(draw, &draw->w, &draw->h, attachments, i, &count, draw->loaderPrivate); if (buffers == NULL) return; for (i = 0; i < count; i++) { struct gl_renderbuffer *rb; struct nouveau_surface *s; uint32_t old_name; int index; switch (buffers[i].attachment) { case __DRI_BUFFER_FRONT_LEFT: case __DRI_BUFFER_FAKE_FRONT_LEFT: index = BUFFER_FRONT_LEFT; break; case __DRI_BUFFER_BACK_LEFT: index = BUFFER_BACK_LEFT; break; case __DRI_BUFFER_DEPTH: case __DRI_BUFFER_DEPTH_STENCIL: index = BUFFER_DEPTH; break; case __DRI_BUFFER_STENCIL: index = BUFFER_STENCIL; break; default: assert(0); } rb = fb->Attachment[index].Renderbuffer; s = &to_nouveau_renderbuffer(rb)->surface; s->width = draw->w; s->height = draw->h; s->pitch = buffers[i].pitch; s->cpp = buffers[i].cpp; if (index == BUFFER_DEPTH && s->bo) { ret = nouveau_bo_name_get(s->bo, &old_name); /* * Disable fast Z clears in the next frame, the * depth buffer contents are undefined. */ if (!ret && old_name != buffers[i].name) nctx->hierz.clear_seq = 0; } nouveau_bo_ref(NULL, &s->bo); ret = nouveau_bo_name_ref(context_dev(ctx), buffers[i].name, &s->bo); assert(!ret); } _mesa_resize_framebuffer(ctx, fb, draw->w, draw->h); } static void update_framebuffer(__DRIcontext *dri_ctx, __DRIdrawable *draw, int *stamp) { struct gl_context *ctx = dri_ctx->driverPrivate; struct gl_framebuffer *fb = draw->driverPrivate; *stamp = draw->dri2.stamp; nouveau_update_renderbuffers(dri_ctx, draw); _mesa_resize_framebuffer(ctx, fb, draw->w, draw->h); /* Clean up references to the old framebuffer objects. */ context_dirty(ctx, FRAMEBUFFER); nouveau_bufctx_reset(to_nouveau_context(ctx)->hw.bufctx, BUFCTX_FB); PUSH_KICK(context_push(ctx)); } GLboolean nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *dri_draw, __DRIdrawable *dri_read) { if (dri_ctx) { struct nouveau_context *nctx = dri_ctx->driverPrivate; struct gl_context *ctx = &nctx->base; /* Ask the X server for new renderbuffers. */ if (dri_draw->driverPrivate != ctx->WinSysDrawBuffer) update_framebuffer(dri_ctx, dri_draw, &dri_ctx->dri2.draw_stamp); if (dri_draw != dri_read && dri_read->driverPrivate != ctx->WinSysReadBuffer) update_framebuffer(dri_ctx, dri_read, &dri_ctx->dri2.read_stamp); /* Pass it down to mesa. */ _mesa_make_current(ctx, dri_draw->driverPrivate, dri_read->driverPrivate); _mesa_update_state(ctx); } else { _mesa_make_current(NULL, NULL, NULL); } return GL_TRUE; } GLboolean nouveau_context_unbind(__DRIcontext *dri_ctx) { /* Unset current context and dispatch table */ _mesa_make_current(NULL, NULL, NULL); return GL_TRUE; } void nouveau_fallback(struct gl_context *ctx, enum nouveau_fallback mode) { struct nouveau_context *nctx = to_nouveau_context(ctx); nctx->fallback = MAX2(HWTNL, mode); if (mode < SWRAST) { nouveau_state_emit(ctx); #if 0 nouveau_bo_state_emit(ctx); #endif } else { PUSH_KICK(context_push(ctx)); } } static void validate_framebuffer(__DRIcontext *dri_ctx, __DRIdrawable *draw, int *stamp) { struct gl_framebuffer *fb = draw->driverPrivate; struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); GLboolean need_front = (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT || fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT); if (nfb->need_front != need_front) { nfb->need_front = need_front; dri2InvalidateDrawable(draw); } if (draw->dri2.stamp != *stamp) update_framebuffer(dri_ctx, draw, stamp); } void nouveau_validate_framebuffer(struct gl_context *ctx) { __DRIcontext *dri_ctx = to_nouveau_context(ctx)->dri_context; __DRIdrawable *dri_draw = dri_ctx->driDrawablePriv; __DRIdrawable *dri_read = dri_ctx->driReadablePriv; if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) validate_framebuffer(dri_ctx, dri_draw, &dri_ctx->dri2.draw_stamp); if (_mesa_is_winsys_fbo(ctx->ReadBuffer)) validate_framebuffer(dri_ctx, dri_read, &dri_ctx->dri2.read_stamp); if (ctx->NewState & _NEW_BUFFERS) _mesa_update_state(ctx); }