429 lines
12 KiB
C
429 lines
12 KiB
C
/*
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* Copyright (C) 2009-2010 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include "nouveau_driver.h"
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#include "nouveau_context.h"
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#include "nouveau_bufferobj.h"
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#include "nouveau_fbo.h"
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#include "nv_object.xml.h"
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#include "main/api_exec.h"
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#include "main/dd.h"
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#include "main/framebuffer.h"
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#include "main/fbobject.h"
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#include "main/light.h"
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#include "main/state.h"
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#include "main/version.h"
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#include "main/vtxfmt.h"
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#include "drivers/common/meta.h"
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#include "drivers/common/driverfuncs.h"
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#include "swrast/swrast.h"
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#include "swrast/s_context.h"
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#include "vbo/vbo.h"
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#include "tnl/tnl.h"
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#include "tnl/t_context.h"
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GLboolean
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nouveau_context_create(gl_api api,
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const struct gl_config *visual, __DRIcontext *dri_ctx,
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const struct __DriverContextConfig *ctx_config,
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unsigned *error,
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void *share_ctx)
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{
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__DRIscreen *dri_screen = dri_ctx->driScreenPriv;
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struct nouveau_screen *screen = dri_screen->driverPrivate;
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struct nouveau_context *nctx;
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struct gl_context *ctx;
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if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) {
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*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
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return false;
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}
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if (ctx_config->attribute_mask) {
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*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
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return false;
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}
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ctx = screen->driver->context_create(screen, api, visual, share_ctx);
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if (!ctx) {
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*error = __DRI_CTX_ERROR_NO_MEMORY;
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return GL_FALSE;
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}
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driContextSetFlags(ctx, ctx_config->flags);
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nctx = to_nouveau_context(ctx);
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nctx->dri_context = dri_ctx;
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dri_ctx->driverPrivate = ctx;
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_mesa_compute_version(ctx);
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if (ctx->Version < (ctx_config->major_version * 10 +
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ctx_config->minor_version)) {
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nouveau_context_destroy(dri_ctx);
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*error = __DRI_CTX_ERROR_BAD_VERSION;
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return GL_FALSE;
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}
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/* Exec table initialization requires the version to be computed */
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_mesa_initialize_dispatch_tables(ctx);
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_mesa_initialize_vbo_vtxfmt(ctx);
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if (nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, 4096,
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NULL, &nctx->fence)) {
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nouveau_context_destroy(dri_ctx);
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*error = __DRI_CTX_ERROR_NO_MEMORY;
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return GL_FALSE;
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}
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*error = __DRI_CTX_ERROR_SUCCESS;
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return GL_TRUE;
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}
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GLboolean
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nouveau_context_init(struct gl_context *ctx, gl_api api,
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struct nouveau_screen *screen,
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const struct gl_config *visual, struct gl_context *share_ctx)
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{
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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struct dd_function_table functions;
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int ret;
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nctx->screen = screen;
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nctx->fallback = HWTNL;
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/* Initialize the function pointers. */
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_mesa_init_driver_functions(&functions);
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_tnl_init_driver_draw_function(&functions);
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nouveau_driver_functions_init(&functions);
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nouveau_bufferobj_functions_init(&functions);
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nouveau_texture_functions_init(&functions);
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nouveau_fbo_functions_init(&functions);
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/* Initialize the mesa context. */
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if (!_mesa_initialize_context(ctx, api, visual, share_ctx, &functions))
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return GL_FALSE;
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nouveau_state_init(ctx);
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nouveau_scratch_init(ctx);
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_mesa_meta_init(ctx);
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_swrast_CreateContext(ctx);
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_vbo_CreateContext(ctx, true);
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_tnl_CreateContext(ctx);
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nouveau_span_functions_init(ctx);
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_mesa_allow_light_in_model(ctx, GL_FALSE);
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/* Allocate a hardware channel. */
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ret = nouveau_object_new(&context_dev(ctx)->object, 0xbeef0000,
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NOUVEAU_FIFO_CHANNEL_CLASS,
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&(struct nv04_fifo){
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.vram = 0xbeef0201,
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.gart = 0xbeef0202
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}, sizeof(struct nv04_fifo), &nctx->hw.chan);
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if (ret) {
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nouveau_error("Error initializing the FIFO.\n");
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return GL_FALSE;
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}
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/* Allocate a client (thread data) */
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ret = nouveau_client_new(context_dev(ctx), &nctx->hw.client);
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if (ret) {
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nouveau_error("Error creating thread data\n");
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return GL_FALSE;
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}
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/* Allocate a push buffer */
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ret = nouveau_pushbuf_new(nctx->hw.client, nctx->hw.chan, 4,
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512 * 1024, true, &nctx->hw.pushbuf);
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if (ret) {
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nouveau_error("Error allocating DMA push buffer\n");
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return GL_FALSE;
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}
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/* Allocate buffer context */
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ret = nouveau_bufctx_new(nctx->hw.client, 16, &nctx->hw.bufctx);
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if (ret) {
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nouveau_error("Error allocating buffer context\n");
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return GL_FALSE;
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}
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nctx->hw.pushbuf->user_priv = nctx->hw.bufctx;
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/* Allocate NULL object */
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ret = nouveau_object_new(nctx->hw.chan, 0x00000000, NV01_NULL_CLASS,
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NULL, 0, &nctx->hw.null);
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if (ret) {
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nouveau_error("Error allocating NULL object\n");
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return GL_FALSE;
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}
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/* Enable any supported extensions. */
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ctx->Extensions.EXT_blend_color = true;
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ctx->Extensions.EXT_blend_minmax = true;
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ctx->Extensions.EXT_texture_filter_anisotropic = true;
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ctx->Extensions.NV_texture_env_combine4 = true;
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ctx->Const.MaxDrawBuffers = ctx->Const.MaxColorAttachments = 1;
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/* This effectively disables 3D textures */
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ctx->Const.Max3DTextureLevels = 1;
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return GL_TRUE;
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}
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void
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nouveau_context_deinit(struct gl_context *ctx)
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{
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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if (TNL_CONTEXT(ctx))
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_tnl_DestroyContext(ctx);
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_vbo_DestroyContext(ctx);
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if (SWRAST_CONTEXT(ctx))
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_swrast_DestroyContext(ctx);
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if (ctx->Meta)
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_mesa_meta_free(ctx);
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nouveau_bufctx_del(&nctx->hw.bufctx);
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nouveau_pushbuf_del(&nctx->hw.pushbuf);
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nouveau_client_del(&nctx->hw.client);
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nouveau_object_del(&nctx->hw.chan);
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nouveau_scratch_destroy(ctx);
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_mesa_free_context_data(ctx, true);
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}
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void
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nouveau_context_destroy(__DRIcontext *dri_ctx)
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{
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struct nouveau_context *nctx = dri_ctx->driverPrivate;
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struct gl_context *ctx = &nctx->base;
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nouveau_bo_ref(NULL, &nctx->fence);
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context_drv(ctx)->context_destroy(ctx);
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}
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void
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nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw)
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{
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struct gl_context *ctx = dri_ctx->driverPrivate;
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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__DRIscreen *screen = dri_ctx->driScreenPriv;
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struct gl_framebuffer *fb = draw->driverPrivate;
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struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
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unsigned int attachments[__DRI_BUFFER_COUNT];
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__DRIbuffer *buffers = NULL;
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int i = 0, count, ret;
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if (draw->lastStamp == draw->dri2.stamp)
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return;
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draw->lastStamp = draw->dri2.stamp;
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if (nfb->need_front)
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attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
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if (fb->Visual.doubleBufferMode)
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attachments[i++] = __DRI_BUFFER_BACK_LEFT;
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if (fb->Visual.depthBits > 0 && fb->Visual.stencilBits > 0)
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attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
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else if (fb->Visual.depthBits > 0)
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attachments[i++] = __DRI_BUFFER_DEPTH;
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else if (fb->Visual.stencilBits > 0)
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attachments[i++] = __DRI_BUFFER_STENCIL;
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buffers = screen->dri2.loader->getBuffers(draw, &draw->w, &draw->h,
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attachments, i, &count,
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draw->loaderPrivate);
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if (buffers == NULL)
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return;
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for (i = 0; i < count; i++) {
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struct gl_renderbuffer *rb;
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struct nouveau_surface *s;
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uint32_t old_name;
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int index;
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switch (buffers[i].attachment) {
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case __DRI_BUFFER_FRONT_LEFT:
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case __DRI_BUFFER_FAKE_FRONT_LEFT:
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index = BUFFER_FRONT_LEFT;
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break;
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case __DRI_BUFFER_BACK_LEFT:
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index = BUFFER_BACK_LEFT;
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break;
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case __DRI_BUFFER_DEPTH:
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case __DRI_BUFFER_DEPTH_STENCIL:
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index = BUFFER_DEPTH;
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break;
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case __DRI_BUFFER_STENCIL:
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index = BUFFER_STENCIL;
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break;
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default:
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assert(0);
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}
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rb = fb->Attachment[index].Renderbuffer;
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s = &to_nouveau_renderbuffer(rb)->surface;
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s->width = draw->w;
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s->height = draw->h;
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s->pitch = buffers[i].pitch;
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s->cpp = buffers[i].cpp;
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if (index == BUFFER_DEPTH && s->bo) {
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ret = nouveau_bo_name_get(s->bo, &old_name);
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/*
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* Disable fast Z clears in the next frame, the
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* depth buffer contents are undefined.
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*/
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if (!ret && old_name != buffers[i].name)
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nctx->hierz.clear_seq = 0;
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}
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nouveau_bo_ref(NULL, &s->bo);
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ret = nouveau_bo_name_ref(context_dev(ctx),
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buffers[i].name, &s->bo);
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assert(!ret);
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}
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_mesa_resize_framebuffer(ctx, fb, draw->w, draw->h);
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}
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static void
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update_framebuffer(__DRIcontext *dri_ctx, __DRIdrawable *draw,
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int *stamp)
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{
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struct gl_context *ctx = dri_ctx->driverPrivate;
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struct gl_framebuffer *fb = draw->driverPrivate;
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*stamp = draw->dri2.stamp;
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nouveau_update_renderbuffers(dri_ctx, draw);
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_mesa_resize_framebuffer(ctx, fb, draw->w, draw->h);
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/* Clean up references to the old framebuffer objects. */
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context_dirty(ctx, FRAMEBUFFER);
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nouveau_bufctx_reset(to_nouveau_context(ctx)->hw.bufctx, BUFCTX_FB);
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PUSH_KICK(context_push(ctx));
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}
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GLboolean
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nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *dri_draw,
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__DRIdrawable *dri_read)
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{
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if (dri_ctx) {
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struct nouveau_context *nctx = dri_ctx->driverPrivate;
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struct gl_context *ctx = &nctx->base;
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/* Ask the X server for new renderbuffers. */
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if (dri_draw->driverPrivate != ctx->WinSysDrawBuffer)
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update_framebuffer(dri_ctx, dri_draw,
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&dri_ctx->dri2.draw_stamp);
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if (dri_draw != dri_read &&
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dri_read->driverPrivate != ctx->WinSysReadBuffer)
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update_framebuffer(dri_ctx, dri_read,
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&dri_ctx->dri2.read_stamp);
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/* Pass it down to mesa. */
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_mesa_make_current(ctx, dri_draw->driverPrivate,
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dri_read->driverPrivate);
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_mesa_update_state(ctx);
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} else {
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_mesa_make_current(NULL, NULL, NULL);
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}
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return GL_TRUE;
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}
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GLboolean
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nouveau_context_unbind(__DRIcontext *dri_ctx)
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{
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/* Unset current context and dispatch table */
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_mesa_make_current(NULL, NULL, NULL);
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return GL_TRUE;
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}
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void
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nouveau_fallback(struct gl_context *ctx, enum nouveau_fallback mode)
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{
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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nctx->fallback = MAX2(HWTNL, mode);
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if (mode < SWRAST) {
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nouveau_state_emit(ctx);
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#if 0
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nouveau_bo_state_emit(ctx);
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#endif
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} else {
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PUSH_KICK(context_push(ctx));
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}
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}
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static void
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validate_framebuffer(__DRIcontext *dri_ctx, __DRIdrawable *draw,
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int *stamp)
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{
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struct gl_framebuffer *fb = draw->driverPrivate;
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struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
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GLboolean need_front =
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(fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT ||
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fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT);
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if (nfb->need_front != need_front) {
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nfb->need_front = need_front;
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dri2InvalidateDrawable(draw);
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}
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if (draw->dri2.stamp != *stamp)
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update_framebuffer(dri_ctx, draw, stamp);
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}
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void
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nouveau_validate_framebuffer(struct gl_context *ctx)
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{
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__DRIcontext *dri_ctx = to_nouveau_context(ctx)->dri_context;
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__DRIdrawable *dri_draw = dri_ctx->driDrawablePriv;
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__DRIdrawable *dri_read = dri_ctx->driReadablePriv;
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if (_mesa_is_winsys_fbo(ctx->DrawBuffer))
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validate_framebuffer(dri_ctx, dri_draw,
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&dri_ctx->dri2.draw_stamp);
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if (_mesa_is_winsys_fbo(ctx->ReadBuffer))
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validate_framebuffer(dri_ctx, dri_read,
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&dri_ctx->dri2.read_stamp);
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if (ctx->NewState & _NEW_BUFFERS)
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_mesa_update_state(ctx);
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}
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