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* Copyright 2012 Red Hat Inc.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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#include "util/format/u_format.h"
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#include "util/u_helpers.h"
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#include "util/u_inlines.h"
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#include "nouveau_gldefs.h"
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#include "nv_object.xml.h"
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#include "nv30/nv30-40_3d.xml.h"
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#include "nv30/nv30_context.h"
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#include "nv30/nv30_winsys.h"
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#define NV40_3D_MRT_BLEND_ENABLE 0x0000036c
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nv30_blend_state_create(struct pipe_context *pipe,
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const struct pipe_blend_state *cso)
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struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
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struct nv30_blend_stateobj *so;
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uint32_t blend[2], cmask[2];
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so = CALLOC_STRUCT(nv30_blend_stateobj);
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if (cso->logicop_enable) {
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SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 2);
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SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
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SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 1);
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SB_MTHD30(so, DITHER_ENABLE, 1);
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SB_DATA (so, cso->dither);
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blend[0] = cso->rt[0].blend_enable;
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cmask[0] = !!(cso->rt[0].colormask & PIPE_MASK_A) << 24 |
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!!(cso->rt[0].colormask & PIPE_MASK_R) << 16 |
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!!(cso->rt[0].colormask & PIPE_MASK_G) << 8 |
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!!(cso->rt[0].colormask & PIPE_MASK_B);
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if (cso->independent_blend_enable) {
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for (i = 1; i < 4; i++) {
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blend[1] |= cso->rt[i].blend_enable << i;
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cmask[1] |= !!(cso->rt[i].colormask & PIPE_MASK_A) << (0 + (i * 4)) |
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!!(cso->rt[i].colormask & PIPE_MASK_R) << (1 + (i * 4)) |
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!!(cso->rt[i].colormask & PIPE_MASK_G) << (2 + (i * 4)) |
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!!(cso->rt[i].colormask & PIPE_MASK_B) << (3 + (i * 4));
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blend[1] = 0x0000000e * (blend[0] & 0x00000001);
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cmask[1] = 0x00001110 * !!(cmask[0] & 0x01000000);
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cmask[1] |= 0x00002220 * !!(cmask[0] & 0x00010000);
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cmask[1] |= 0x00004440 * !!(cmask[0] & 0x00000100);
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cmask[1] |= 0x00008880 * !!(cmask[0] & 0x00000001);
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if (eng3d->oclass >= NV40_3D_CLASS) {
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SB_MTHD40(so, MRT_BLEND_ENABLE, 2);
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SB_DATA (so, blend[1]);
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SB_DATA (so, cmask[1]);
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if (blend[0] || blend[1]) {
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SB_MTHD30(so, BLEND_FUNC_ENABLE, 3);
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SB_DATA (so, blend[0]);
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SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_src_factor) << 16) |
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nvgl_blend_func(cso->rt[0].rgb_src_factor));
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SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_dst_factor) << 16) |
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nvgl_blend_func(cso->rt[0].rgb_dst_factor));
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if (eng3d->oclass < NV40_3D_CLASS) {
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SB_MTHD30(so, BLEND_EQUATION, 1);
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SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
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SB_MTHD40(so, BLEND_EQUATION, 1);
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SB_DATA (so, (nvgl_blend_eqn(cso->rt[0].alpha_func) << 16) |
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nvgl_blend_eqn(cso->rt[0].rgb_func));
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SB_MTHD30(so, BLEND_FUNC_ENABLE, 1);
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SB_DATA (so, blend[0]);
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SB_MTHD30(so, COLOR_MASK, 1);
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SB_DATA (so, cmask[0]);
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nv30_blend_state_bind(struct pipe_context *pipe, void *hwcso)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->dirty |= NV30_NEW_BLEND;
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nv30_blend_state_delete(struct pipe_context *pipe, void *hwcso)
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nv30_rasterizer_state_create(struct pipe_context *pipe,
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const struct pipe_rasterizer_state *cso)
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struct nv30_rasterizer_stateobj *so;
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so = CALLOC_STRUCT(nv30_rasterizer_stateobj);
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SB_MTHD30(so, SHADE_MODEL, 1);
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SB_DATA (so, cso->flatshade ? NV30_3D_SHADE_MODEL_FLAT :
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NV30_3D_SHADE_MODEL_SMOOTH);
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SB_MTHD30(so, POLYGON_MODE_FRONT, 6);
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SB_DATA (so, nvgl_polygon_mode(cso->fill_front));
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SB_DATA (so, nvgl_polygon_mode(cso->fill_back));
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if (cso->cull_face == PIPE_FACE_FRONT_AND_BACK)
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SB_DATA (so, NV30_3D_CULL_FACE_FRONT_AND_BACK);
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if (cso->cull_face == PIPE_FACE_FRONT)
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SB_DATA (so, NV30_3D_CULL_FACE_FRONT);
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SB_DATA (so, NV30_3D_CULL_FACE_BACK);
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SB_DATA (so, cso->front_ccw ? NV30_3D_FRONT_FACE_CCW :
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NV30_3D_FRONT_FACE_CW);
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SB_DATA (so, cso->poly_smooth);
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SB_DATA (so, cso->cull_face != PIPE_FACE_NONE);
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SB_MTHD30(so, POLYGON_OFFSET_POINT_ENABLE, 3);
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SB_DATA (so, cso->offset_point);
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SB_DATA (so, cso->offset_line);
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SB_DATA (so, cso->offset_tri);
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if (cso->offset_point || cso->offset_line || cso->offset_tri) {
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SB_MTHD30(so, POLYGON_OFFSET_FACTOR, 2);
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SB_DATA (so, fui(cso->offset_scale));
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SB_DATA (so, fui(cso->offset_units * 2.0));
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SB_MTHD30(so, LINE_WIDTH, 2);
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SB_DATA (so, (unsigned char)(cso->line_width * 8.0) & 0xff);
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SB_DATA (so, cso->line_smooth);
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SB_MTHD30(so, LINE_STIPPLE_ENABLE, 2);
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SB_DATA (so, cso->line_stipple_enable);
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SB_DATA (so, (cso->line_stipple_pattern << 16) |
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cso->line_stipple_factor);
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SB_MTHD30(so, VERTEX_TWO_SIDE_ENABLE, 1);
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SB_DATA (so, cso->light_twoside);
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SB_MTHD30(so, POLYGON_STIPPLE_ENABLE, 1);
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SB_DATA (so, cso->poly_stipple_enable);
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SB_MTHD30(so, POINT_SIZE, 1);
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SB_DATA (so, fui(cso->point_size));
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SB_MTHD30(so, FLATSHADE_FIRST, 1);
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SB_DATA (so, cso->flatshade_first);
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SB_MTHD30(so, DEPTH_CONTROL, 1);
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SB_DATA (so, cso->depth_clip_near ? 0x00000001 : 0x00000010);
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nv30_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->dirty |= NV30_NEW_RASTERIZER;
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nv30_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
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nv30_zsa_state_create(struct pipe_context *pipe,
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const struct pipe_depth_stencil_alpha_state *cso)
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struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
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struct nv30_zsa_stateobj *so;
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so = CALLOC_STRUCT(nv30_zsa_stateobj);
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SB_MTHD30(so, DEPTH_FUNC, 3);
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SB_DATA (so, nvgl_comparison_op(cso->depth_func));
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SB_DATA (so, cso->depth_writemask);
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SB_DATA (so, cso->depth_enabled);
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if (eng3d->oclass == NV35_3D_CLASS || eng3d->oclass >= NV40_3D_CLASS) {
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SB_MTHD35(so, DEPTH_BOUNDS_TEST_ENABLE, 3);
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SB_DATA (so, cso->depth_bounds_test);
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SB_DATA (so, fui(cso->depth_bounds_min));
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SB_DATA (so, fui(cso->depth_bounds_max));
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if (cso->stencil[0].enabled) {
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SB_MTHD30(so, STENCIL_ENABLE(0), 3);
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SB_DATA (so, cso->stencil[0].writemask);
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SB_DATA (so, nvgl_comparison_op(cso->stencil[0].func));
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SB_MTHD30(so, STENCIL_FUNC_MASK(0), 4);
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SB_DATA (so, cso->stencil[0].valuemask);
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SB_DATA (so, nvgl_stencil_op(cso->stencil[0].fail_op));
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SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
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SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
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SB_MTHD30(so, STENCIL_ENABLE(0), 2);
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SB_DATA (so, 0x000000ff);
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if (cso->stencil[1].enabled) {
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SB_MTHD30(so, STENCIL_ENABLE(1), 3);
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SB_DATA (so, cso->stencil[1].writemask);
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SB_DATA (so, nvgl_comparison_op(cso->stencil[1].func));
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SB_MTHD30(so, STENCIL_FUNC_MASK(1), 4);
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SB_DATA (so, cso->stencil[1].valuemask);
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SB_DATA (so, nvgl_stencil_op(cso->stencil[1].fail_op));
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SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
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SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
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SB_MTHD30(so, STENCIL_ENABLE(1), 1);
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SB_MTHD30(so, ALPHA_FUNC_ENABLE, 3);
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SB_DATA (so, cso->alpha_enabled ? 1 : 0);
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SB_DATA (so, nvgl_comparison_op(cso->alpha_func));
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SB_DATA (so, float_to_ubyte(cso->alpha_ref_value));
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nv30_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->dirty |= NV30_NEW_ZSA;
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nv30_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
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nv30_set_blend_color(struct pipe_context *pipe,
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const struct pipe_blend_color *bcol)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->blend_colour = *bcol;
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nv30->dirty |= NV30_NEW_BLEND_COLOUR;
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nv30_set_stencil_ref(struct pipe_context *pipe,
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const struct pipe_stencil_ref sr)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->stencil_ref = sr;
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nv30->dirty |= NV30_NEW_STENCIL_REF;
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nv30_set_clip_state(struct pipe_context *pipe,
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const struct pipe_clip_state *clip)
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struct nv30_context *nv30 = nv30_context(pipe);
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memcpy(nv30->clip.ucp, clip->ucp, sizeof(clip->ucp));
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nv30->dirty |= NV30_NEW_CLIP;
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nv30_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->sample_mask = sample_mask;
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nv30->dirty |= NV30_NEW_SAMPLE_MASK;
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nv30_set_constant_buffer(struct pipe_context *pipe,
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enum pipe_shader_type shader, uint index,
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const struct pipe_constant_buffer *cb)
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struct nv30_context *nv30 = nv30_context(pipe);
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struct pipe_resource *buf = cb ? cb->buffer : NULL;
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if (cb && cb->user_buffer) {
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buf = nouveau_user_buffer_create(pipe->screen, (void*)cb->user_buffer,
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PIPE_BIND_CONSTANT_BUFFER);
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size = buf->width0 / (4 * sizeof(float));
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if (shader == PIPE_SHADER_VERTEX) {
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if (pass_reference) {
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pipe_resource_reference(&nv30->vertprog.constbuf, NULL);
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nv30->vertprog.constbuf = buf;
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pipe_resource_reference(&nv30->vertprog.constbuf, buf);
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nv30->vertprog.constbuf_nr = size;
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nv30->dirty |= NV30_NEW_VERTCONST;
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if (shader == PIPE_SHADER_FRAGMENT) {
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if (pass_reference) {
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pipe_resource_reference(&nv30->fragprog.constbuf, NULL);
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nv30->fragprog.constbuf = buf;
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pipe_resource_reference(&nv30->fragprog.constbuf, buf);
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nv30->fragprog.constbuf_nr = size;
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nv30->dirty |= NV30_NEW_FRAGCONST;
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if (cb && cb->user_buffer) {
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pipe_resource_reference(&buf, NULL);
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nv30_set_framebuffer_state(struct pipe_context *pipe,
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const struct pipe_framebuffer_state *fb)
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struct nv30_context *nv30 = nv30_context(pipe);
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nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
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nv30->framebuffer = *fb;
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nv30->dirty |= NV30_NEW_FRAMEBUFFER;
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/* Hardware can't handle different swizzled-ness or different blocksizes
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* for zs and cbufs. If both are supplied and something doesn't match,
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* blank out the zs for now so that at least *some* rendering can occur.
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if (fb->nr_cbufs > 0 && fb->zsbuf) {
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struct nv30_miptree *color_mt = nv30_miptree(fb->cbufs[0]->texture);
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struct nv30_miptree *zeta_mt = nv30_miptree(fb->zsbuf->texture);
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if (color_mt->swizzled != zeta_mt->swizzled ||
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(color_mt->swizzled &&
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(util_format_get_blocksize(fb->zsbuf->format) > 2) !=
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(util_format_get_blocksize(fb->cbufs[0]->format) > 2))) {
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nv30->framebuffer.zsbuf = NULL;
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debug_printf("Mismatched color and zeta formats, ignoring zeta.\n");
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nv30_set_polygon_stipple(struct pipe_context *pipe,
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const struct pipe_poly_stipple *stipple)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->stipple = *stipple;
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nv30->dirty |= NV30_NEW_STIPPLE;
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nv30_set_scissor_states(struct pipe_context *pipe,
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unsigned num_viewports,
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const struct pipe_scissor_state *scissor)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->scissor = *scissor;
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nv30->dirty |= NV30_NEW_SCISSOR;
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nv30_set_viewport_states(struct pipe_context *pipe,
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unsigned num_viewports,
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const struct pipe_viewport_state *vpt)
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struct nv30_context *nv30 = nv30_context(pipe);
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nv30->viewport = *vpt;
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nv30->dirty |= NV30_NEW_VIEWPORT;
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nv30_set_vertex_buffers(struct pipe_context *pipe,
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unsigned start_slot, unsigned count,
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unsigned unbind_num_trailing_slots,
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const struct pipe_vertex_buffer *vb)
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struct nv30_context *nv30 = nv30_context(pipe);
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nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
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util_set_vertex_buffers_count(nv30->vtxbuf, &nv30->num_vtxbufs,
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vb, start_slot, count,
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unbind_num_trailing_slots,
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nv30->dirty |= NV30_NEW_ARRAYS;
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nv30_state_init(struct pipe_context *pipe)
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pipe->create_blend_state = nv30_blend_state_create;
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pipe->bind_blend_state = nv30_blend_state_bind;
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pipe->delete_blend_state = nv30_blend_state_delete;
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pipe->create_rasterizer_state = nv30_rasterizer_state_create;
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pipe->bind_rasterizer_state = nv30_rasterizer_state_bind;
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pipe->delete_rasterizer_state = nv30_rasterizer_state_delete;
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pipe->create_depth_stencil_alpha_state = nv30_zsa_state_create;
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pipe->bind_depth_stencil_alpha_state = nv30_zsa_state_bind;
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pipe->delete_depth_stencil_alpha_state = nv30_zsa_state_delete;
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pipe->set_blend_color = nv30_set_blend_color;
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pipe->set_stencil_ref = nv30_set_stencil_ref;
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pipe->set_clip_state = nv30_set_clip_state;
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pipe->set_sample_mask = nv30_set_sample_mask;
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pipe->set_constant_buffer = nv30_set_constant_buffer;
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pipe->set_framebuffer_state = nv30_set_framebuffer_state;
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pipe->set_polygon_stipple = nv30_set_polygon_stipple;
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pipe->set_scissor_states = nv30_set_scissor_states;
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pipe->set_viewport_states = nv30_set_viewport_states;
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pipe->set_vertex_buffers = nv30_set_vertex_buffers;