183 lines
5.1 KiB
C
183 lines
5.1 KiB
C
/*
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* Copyright (C) 2009 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 <stdio.h>
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#include "main/mtypes.h"
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#include "main/fbobject.h"
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#include "nouveau_driver.h"
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#include "nouveau_context.h"
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#include "nouveau_fbo.h"
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#include "nouveau_util.h"
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#include "drivers/common/meta.h"
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const char * const nouveau_vendor_string = "Nouveau";
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const char *
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nouveau_get_renderer_string(unsigned chipset)
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{
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char hardware_name[32];
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static char buffer[128];
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snprintf(hardware_name, sizeof(hardware_name), "nv%02X", chipset);
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driGetRendererString(buffer, hardware_name, 0);
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return buffer;
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}
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static const GLubyte *
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nouveau_get_string(struct gl_context *ctx, GLenum name)
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{
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switch (name) {
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case GL_VENDOR:
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return (GLubyte *)nouveau_vendor_string;
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case GL_RENDERER:
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return (GLubyte *)nouveau_get_renderer_string(context_chipset(ctx));
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default:
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return NULL;
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}
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}
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static void
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nouveau_flush(struct gl_context *ctx, unsigned gallium_flush_flags)
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{
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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struct nouveau_pushbuf *push = context_push(ctx);
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PUSH_KICK(push);
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if (_mesa_is_winsys_fbo(ctx->DrawBuffer) &&
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ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
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__DRIscreen *screen = nctx->screen->dri_screen;
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const __DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
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__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
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if (drawable && drawable->loaderPrivate)
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dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
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}
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}
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static void
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nouveau_finish(struct gl_context *ctx)
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{
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struct nouveau_context *nctx = to_nouveau_context(ctx);
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struct nouveau_pushbuf *push = context_push(ctx);
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struct nouveau_pushbuf_refn refn =
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{ nctx->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR };
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nouveau_flush(ctx, 0);
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if (!nouveau_pushbuf_space(push, 16, 0, 0) &&
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!nouveau_pushbuf_refn(push, &refn, 1)) {
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PUSH_DATA(push, 0);
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PUSH_KICK(push);
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}
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nouveau_bo_wait(nctx->fence, NOUVEAU_BO_RDWR, context_client(ctx));
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}
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void
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nouveau_clear(struct gl_context *ctx, GLbitfield buffers)
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{
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struct gl_framebuffer *fb = ctx->DrawBuffer;
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int x, y, w, h;
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int i, buf;
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nouveau_validate_framebuffer(ctx);
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get_scissors(fb, &x, &y, &w, &h);
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for (i = 0; i < BUFFER_COUNT; i++) {
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struct nouveau_surface *s;
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unsigned mask, value;
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buf = buffers & (1 << i);
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if (!buf)
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continue;
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s = &to_nouveau_renderbuffer(
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fb->Attachment[i].Renderbuffer)->surface;
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if (buf & BUFFER_BITS_COLOR) {
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const float *color = ctx->Color.ClearColor.f;
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if (fb->Attachment[i].Renderbuffer->_BaseFormat ==
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GL_LUMINANCE_ALPHA)
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value = pack_la_clamp_f(
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s->format, color[0], color[3]);
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else
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value = pack_rgba_clamp_f(s->format, color);
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const uint8_t colormask[4] = {
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GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 0) ? 0xff : 0,
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GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 1) ? 0xff : 0,
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GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 2) ? 0xff : 0,
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GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 3) ? 0xff : 0,
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};
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mask = pack_rgba_i(s->format, colormask);
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if (mask)
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context_drv(ctx)->surface_fill(
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ctx, s, mask, value, x, y, w, h);
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buffers &= ~buf;
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} else if (buf & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
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mask = pack_zs_i(s->format,
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(buffers & BUFFER_BIT_DEPTH &&
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ctx->Depth.Mask) ? ~0 : 0,
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(buffers & BUFFER_BIT_STENCIL ?
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ctx->Stencil.WriteMask[0] : 0));
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value = pack_zs_f(s->format,
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ctx->Depth.Clear,
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ctx->Stencil.Clear);
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if (mask)
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context_drv(ctx)->surface_fill(
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ctx, s, mask, value, x, y, w, h);
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buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
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}
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}
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if (buffers)
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_mesa_meta_Clear(ctx, buffers);
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}
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void
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nouveau_driver_functions_init(struct dd_function_table *functions)
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{
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functions->GetString = nouveau_get_string;
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functions->Flush = nouveau_flush;
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functions->Finish = nouveau_finish;
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functions->Clear = nouveau_clear;
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functions->DrawPixels = _mesa_meta_DrawPixels;
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functions->CopyPixels = _mesa_meta_CopyPixels;
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functions->Bitmap = _mesa_meta_Bitmap;
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functions->BlitFramebuffer = _mesa_meta_and_swrast_BlitFramebuffer;
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}
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