diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv10_state_fb.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state_fb.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_fb.c b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c new file mode 100644 index 0000000000..05c36b4f8f --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c @@ -0,0 +1,190 @@ +/* + * 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_class.h" +#include "nouveau_util.h" +#include "nv10_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 0x0; + default: + assert(0); + } +} + +static void +setup_lma_buffer(GLcontext *ctx) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct nouveau_bo_context *bctx = context_bctx(ctx, LMA_DEPTH); + struct gl_framebuffer *fb = ctx->DrawBuffer; + struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); + unsigned pitch = align(fb->Width, 128), + height = align(fb->Height, 2), + size = pitch * height; + + if (!nfb->lma_bo || nfb->lma_bo->size != size) { + nouveau_bo_ref(NULL, &nfb->lma_bo); + nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size, + &nfb->lma_bo); + } + + nouveau_bo_markl(bctx, celsius, NV17TCL_LMA_DEPTH_BUFFER_OFFSET, + nfb->lma_bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); + + BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_WINDOW_X, 4); + OUT_RINGf(chan, - 1792); + OUT_RINGf(chan, - 2304 + fb->Height); + OUT_RINGf(chan, fb->_DepthMaxF / 2); + OUT_RINGf(chan, 0); + + BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_BUFFER_PITCH, 1); + OUT_RING(chan, pitch); + + BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_ENABLE, 1); + OUT_RING(chan, 1); +} + +void +nv10_emit_framebuffer(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = 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 = NV10TCL_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; + + /* At least nv11 seems to get sad if we don't do this before + * swapping RTs.*/ + if (context_chipset(ctx) < 0x17) { + int i; + + for (i = 0; i < 6; i++) { + BEGIN_RING(chan, celsius, NV10TCL_NOP, 1); + OUT_RING(chan, 0); + } + } + + /* 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, celsius, NV10TCL_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, celsius, NV10TCL_ZETA_OFFSET, + s->bo, 0, bo_flags); + + if (context_chipset(ctx) >= 0x17) + setup_lma_buffer(ctx); + } + + BEGIN_RING(chan, celsius, NV10TCL_RT_FORMAT, 2); + OUT_RING(chan, rt_format); + OUT_RING(chan, zeta_pitch << 16 | rt_pitch); + + context_dirty(ctx, VIEWPORT); + context_dirty(ctx, SCISSOR); +} + +void +nv10_emit_render_mode(GLcontext *ctx, int emit) +{ +} + +void +nv10_emit_scissor(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + int x, y, w, h; + + get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); + + BEGIN_RING(chan, celsius, NV10TCL_RT_HORIZ, 2); + OUT_RING(chan, w << 16 | x); + OUT_RING(chan, h << 16 | y); +} + +void +nv10_emit_viewport(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *celsius = context_eng3d(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + float a[4] = {}; + int i; + + get_viewport_translate(ctx, a); + a[0] -= 2048; + a[1] -= 2048; + + BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_TRANSLATE_X, 4); + for (i = 0; i < 4; i++) + OUT_RINGf(chan, a[i]); + + BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_HORIZ(0), 1); + OUT_RING(chan, (fb->Width - 1) << 16 | 0x08000800); + BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_VERT(0), 1); + OUT_RING(chan, (fb->Height - 1) << 16 | 0x08000800); + + context_dirty(ctx, PROJECTION); +} |