diff options
author | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
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committer | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
commit | c036d13d7d2cc905226fe53ebd86a18da808963f (patch) | |
tree | 1520a41a750b3a2a2685c3d7f46e87f921ad7b83 /src/mesa/drivers/dri/nouveau/nv20_state_fb.c | |
parent | 69f20294cd8bed52e4a9b648158423c5f0754941 (diff) | |
parent | 5b6b67eb3ff714fbba8aed88a22a7646e1dbf655 (diff) |
Merge commit 'fj/mesa-next'
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_state_fb.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_state_fb.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_fb.c b/src/mesa/drivers/dri/nouveau/nv20_state_fb.c new file mode 100644 index 0000000000..869acd6e31 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv20_state_fb.c @@ -0,0 +1,123 @@ +/* + * Copyright (C) 2009 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 "nouveau_driver.h" +#include "nouveau_context.h" +#include "nouveau_fbo.h" +#include "nouveau_gldefs.h" +#include "nouveau_util.h" +#include "nouveau_class.h" +#include "nv20_driver.h" + +static inline unsigned +get_rt_format(gl_format format) +{ + switch (format) { + case MESA_FORMAT_XRGB8888: + return 0x05; + case MESA_FORMAT_ARGB8888: + return 0x08; + case MESA_FORMAT_RGB565: + return 0x03; + case MESA_FORMAT_Z16: + return 0x10; + case MESA_FORMAT_Z24_S8: + return 0x20; + default: + assert(0); + } +} + +void +nv20_emit_framebuffer(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + struct nouveau_bo_context *bctx = context_bctx(ctx, FRAMEBUFFER); + struct gl_framebuffer *fb = ctx->DrawBuffer; + struct nouveau_surface *s; + unsigned rt_format = NV20TCL_RT_FORMAT_TYPE_LINEAR; + unsigned rt_pitch = 0, zeta_pitch = 0; + unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; + + if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) + return; + + /* Render target */ + if (fb->_NumColorDrawBuffers) { + s = &to_nouveau_renderbuffer( + fb->_ColorDrawBuffers[0])->surface; + + rt_format |= get_rt_format(s->format); + zeta_pitch = rt_pitch = s->pitch; + + nouveau_bo_markl(bctx, kelvin, NV20TCL_COLOR_OFFSET, + s->bo, 0, bo_flags); + } + + /* depth/stencil */ + if (fb->_DepthBuffer) { + s = &to_nouveau_renderbuffer( + fb->_DepthBuffer->Wrapped)->surface; + + rt_format |= get_rt_format(s->format); + zeta_pitch = s->pitch; + + nouveau_bo_markl(bctx, kelvin, NV20TCL_ZETA_OFFSET, + s->bo, 0, bo_flags); + } + + BEGIN_RING(chan, kelvin, NV20TCL_RT_FORMAT, 2); + OUT_RING(chan, rt_format); + OUT_RING(chan, zeta_pitch << 16 | rt_pitch); + + /* Recompute the viewport/scissor state. */ + context_dirty(ctx, VIEWPORT); + context_dirty(ctx, SCISSOR); +} + +void +nv20_emit_viewport(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + float a[4] = {}; + int i; + + get_viewport_translate(ctx, a); + + BEGIN_RING(chan, kelvin, NV20TCL_VIEWPORT_TRANSLATE_X, 4); + for (i = 0; i < 4; i++) + OUT_RINGf(chan, a[i]); + + BEGIN_RING(chan, kelvin, NV20TCL_VIEWPORT_CLIP_HORIZ(0), 1); + OUT_RING(chan, (fb->Width - 1) << 16); + BEGIN_RING(chan, kelvin, NV20TCL_VIEWPORT_CLIP_VERT(0), 1); + OUT_RING(chan, (fb->Height - 1) << 16); + + context_dirty(ctx, PROJECTION); +} |