111 lines
3.3 KiB
C
111 lines
3.3 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 "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 "nv04_3d.xml.h"
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#include "nv04_driver.h"
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static inline unsigned
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get_rt_format(mesa_format format)
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{
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switch (format) {
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case MESA_FORMAT_B8G8R8X8_UNORM:
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return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_X8R8G8B8_X8R8G8B8;
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case MESA_FORMAT_B8G8R8A8_UNORM:
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return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_A8R8G8B8;
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case MESA_FORMAT_B5G6R5_UNORM:
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return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_R5G6B5;
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default:
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assert(0);
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}
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}
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void
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nv04_emit_framebuffer(struct gl_context *ctx, int emit)
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{
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struct nouveau_pushbuf *push = context_push(ctx);
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struct gl_framebuffer *fb = ctx->DrawBuffer;
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struct nouveau_surface *s;
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uint32_t rt_format = NV04_CONTEXT_SURFACES_3D_FORMAT_TYPE_PITCH;
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uint32_t rt_pitch = 0, zeta_pitch = 0;
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unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
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if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
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return;
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PUSH_RESET(push, BUFCTX_FB);
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/* Render target */
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if (fb->_ColorDrawBuffers[0]) {
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s = &to_nouveau_renderbuffer(
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fb->_ColorDrawBuffers[0])->surface;
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rt_format |= get_rt_format(s->format);
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zeta_pitch = rt_pitch = s->pitch;
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BEGIN_NV04(push, NV04_SF3D(OFFSET_COLOR), 1);
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PUSH_MTHDl(push, NV04_SF3D(OFFSET_COLOR), BUFCTX_FB,
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s->bo, 0, bo_flags);
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}
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/* depth/stencil */
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if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) {
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s = &to_nouveau_renderbuffer(
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fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
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zeta_pitch = s->pitch;
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BEGIN_NV04(push, NV04_SF3D(OFFSET_ZETA), 1);
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PUSH_MTHDl(push, NV04_SF3D(OFFSET_ZETA), BUFCTX_FB,
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s->bo, 0, bo_flags);
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}
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BEGIN_NV04(push, NV04_SF3D(FORMAT), 1);
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PUSH_DATA (push, rt_format);
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BEGIN_NV04(push, NV04_SF3D(PITCH), 1);
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PUSH_DATA (push, zeta_pitch << 16 | rt_pitch);
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/* Recompute the scissor state. */
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context_dirty(ctx, SCISSOR);
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context_dirty(ctx, CONTROL);
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}
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void
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nv04_emit_scissor(struct gl_context *ctx, int emit)
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{
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struct nouveau_pushbuf *push = context_push(ctx);
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int x, y, w, h;
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get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);
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BEGIN_NV04(push, NV04_SF3D(CLIP_HORIZONTAL), 2);
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PUSH_DATA (push, w << 16 | x);
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PUSH_DATA (push, h << 16 | y);
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}
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