diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_state_tex.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_state_tex.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state_tex.c b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c new file mode 100644 index 00000000000..d01e91f8ee1 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv20_state_tex.c @@ -0,0 +1,167 @@ +/* + * 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_gldefs.h" +#include "nouveau_texture.h" +#include "nouveau_class.h" +#include "nouveau_util.h" +#include "nv20_driver.h" + +static uint32_t +get_tex_format(struct gl_texture_image *ti) +{ + switch (ti->TexFormat) { + case MESA_FORMAT_ARGB8888: + return NV20TCL_TX_FORMAT_FORMAT_A8R8G8B8; + + case MESA_FORMAT_ARGB1555: + return NV20TCL_TX_FORMAT_FORMAT_A1R5G5B5; + + case MESA_FORMAT_ARGB4444: + return NV20TCL_TX_FORMAT_FORMAT_A4R4G4B4; + + case MESA_FORMAT_RGB565: + return NV20TCL_TX_FORMAT_FORMAT_R5G6B5; + + case MESA_FORMAT_A8: + return NV20TCL_TX_FORMAT_FORMAT_A8; + + case MESA_FORMAT_L8: + return NV20TCL_TX_FORMAT_FORMAT_L8; + + case MESA_FORMAT_CI8: + return NV20TCL_TX_FORMAT_FORMAT_INDEX8; + + default: + assert(0); + } +} + +void +nv20_emit_tex_obj(GLcontext *ctx, int emit) +{ + const int i = emit - NOUVEAU_STATE_TEX_OBJ0; + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + struct nouveau_bo_context *bctx = context_bctx_i(ctx, TEXTURE, i); + const int bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART | NOUVEAU_BO_VRAM; + struct gl_texture_object *t; + struct nouveau_surface *s; + struct gl_texture_image *ti; + uint32_t tx_format, tx_filter, tx_wrap, tx_enable; + + if (!ctx->Texture.Unit[i]._ReallyEnabled) { + BEGIN_RING(chan, kelvin, NV20TCL_TX_ENABLE(i), 1); + OUT_RING(chan, 0); + + context_dirty(ctx, TEX_SHADER); + return; + } + + t = ctx->Texture.Unit[i]._Current; + s = &to_nouveau_texture(t)->surfaces[t->BaseLevel]; + ti = t->Image[0][t->BaseLevel]; + + nouveau_texture_validate(ctx, t); + + /* Recompute the texturing registers. */ + tx_format = ti->DepthLog2 << 28 + | ti->HeightLog2 << 24 + | ti->WidthLog2 << 20 + | get_tex_format(ti) + | NV20TCL_TX_FORMAT_DIMS_2D + | NV20TCL_TX_FORMAT_NO_BORDER + | 1 << 16; + + tx_wrap = nvgl_wrap_mode(t->WrapR) << 16 + | nvgl_wrap_mode(t->WrapT) << 8 + | nvgl_wrap_mode(t->WrapS) << 0; + + tx_filter = nvgl_filter_mode(t->MagFilter) << 24 + | nvgl_filter_mode(t->MinFilter) << 16; + + tx_enable = NV20TCL_TX_ENABLE_ENABLE + | log2i(t->MaxAnisotropy) << 4; + + if (t->MinFilter != GL_NEAREST && + t->MinFilter != GL_LINEAR) { + int lod_min = t->MinLod; + int lod_max = MIN2(t->MaxLod, t->_MaxLambda); + int lod_bias = t->LodBias + + ctx->Texture.Unit[i].LodBias; + + lod_max = CLAMP(lod_max, 0, 15); + lod_min = CLAMP(lod_min, 0, 15); + lod_bias = CLAMP(lod_bias, 0, 15); + + tx_format |= NV20TCL_TX_FORMAT_MIPMAP; + tx_filter |= lod_bias << 8; + tx_enable |= lod_min << 26 + | lod_max << 14; + } + + /* Write it to the hardware. */ + nouveau_bo_mark(bctx, kelvin, NV20TCL_TX_FORMAT(i), + s->bo, tx_format, 0, + NV20TCL_TX_FORMAT_DMA0, + NV20TCL_TX_FORMAT_DMA1, + bo_flags | NOUVEAU_BO_OR); + + nouveau_bo_markl(bctx, kelvin, NV20TCL_TX_OFFSET(i), + s->bo, 0, bo_flags); + + BEGIN_RING(chan, kelvin, NV20TCL_TX_WRAP(i), 1); + OUT_RING(chan, tx_wrap); + + BEGIN_RING(chan, kelvin, NV20TCL_TX_FILTER(i), 1); + OUT_RING(chan, tx_filter); + + BEGIN_RING(chan, kelvin, NV20TCL_TX_ENABLE(i), 1); + OUT_RING(chan, tx_enable); + + context_dirty(ctx, TEX_SHADER); +} + +void +nv20_emit_tex_shader(GLcontext *ctx, int emit) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + uint32_t tx_shader_op = 0; + int i; + + for (i = 0; i < NV20_TEXTURE_UNITS; i++) { + if (!ctx->Texture.Unit[i]._ReallyEnabled) + continue; + + tx_shader_op |= NV20TCL_TX_SHADER_OP_TX0_TEXTURE_2D << 5 * i; + } + + BEGIN_RING(chan, kelvin, NV20TCL_TX_SHADER_OP, 1); + OUT_RING(chan, tx_shader_op); +} |