1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
32 #include "util/u_prim.h"
34 #include "freedreno_state.h"
35 #include "freedreno_resource.h"
38 #include "fd3_context.h"
40 #include "fd3_program.h"
46 emit_vertexbufs(struct fd_context
*ctx
)
48 struct fd_vertex_stateobj
*vtx
= ctx
->vtx
;
49 struct fd_vertexbuf_stateobj
*vertexbuf
= &ctx
->vertexbuf
;
50 struct fd3_vertex_buf bufs
[PIPE_MAX_ATTRIBS
];
53 if (!vtx
->num_elements
)
56 for (i
= 0; i
< vtx
->num_elements
; i
++) {
57 struct pipe_vertex_element
*elem
= &vtx
->pipe
[i
];
58 struct pipe_vertex_buffer
*vb
=
59 &vertexbuf
->vb
[elem
->vertex_buffer_index
];
60 bufs
[i
].offset
= vb
->buffer_offset
+ elem
->src_offset
;
61 bufs
[i
].stride
= vb
->stride
;
62 bufs
[i
].prsc
= vb
->buffer
;
63 bufs
[i
].format
= elem
->src_format
;
66 fd3_emit_vertex_bufs(ctx
->ring
, &ctx
->prog
, bufs
, vtx
->num_elements
);
70 fd3_draw(struct fd_context
*ctx
, const struct pipe_draw_info
*info
)
72 struct fd_ringbuffer
*ring
= ctx
->ring
;
73 unsigned dirty
= ctx
->dirty
;
75 fd3_emit_state(ctx
, dirty
);
77 if (dirty
& FD_DIRTY_VTXBUF
)
80 OUT_PKT0(ring
, REG_A3XX_PC_VERTEX_REUSE_BLOCK_CNTL
, 1);
81 OUT_RING(ring
, 0x0000000b); /* PC_VERTEX_REUSE_BLOCK_CNTL */
83 OUT_PKT0(ring
, REG_A3XX_VFD_INDEX_MIN
, 4);
84 OUT_RING(ring
, info
->min_index
); /* VFD_INDEX_MIN */
85 OUT_RING(ring
, info
->max_index
); /* VFD_INDEX_MAX */
86 OUT_RING(ring
, info
->start_instance
); /* VFD_INSTANCEID_OFFSET */
87 OUT_RING(ring
, info
->start
); /* VFD_INDEX_OFFSET */
89 OUT_PKT0(ring
, REG_A3XX_PC_RESTART_INDEX
, 1);
90 OUT_RING(ring
, info
->primitive_restart
? /* PC_RESTART_INDEX */
91 info
->restart_index
: 0xffffffff);
93 fd_draw_emit(ctx
, info
);
97 fd3_clear(struct fd_context
*ctx
, unsigned buffers
,
98 const union pipe_color_union
*color
, double depth
, unsigned stencil
)
100 struct fd3_context
*fd3_ctx
= fd3_context(ctx
);
101 struct fd_ringbuffer
*ring
= ctx
->ring
;
104 /* emit generic state now: */
105 fd3_emit_state(ctx
, ctx
->dirty
& (FD_DIRTY_VIEWPORT
|
106 FD_DIRTY_FRAMEBUFFER
| FD_DIRTY_SCISSOR
));
108 OUT_PKT0(ring
, REG_A3XX_RB_BLEND_ALPHA
, 1);
109 OUT_RING(ring
, A3XX_RB_BLEND_ALPHA_UINT(0xff) |
110 A3XX_RB_BLEND_ALPHA_FLOAT(1.0));
112 fd3_emit_rbrc_draw_state(ctx
, ring
,
113 A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(FUNC_NEVER
));
115 if (buffers
& PIPE_CLEAR_DEPTH
) {
116 OUT_PKT0(ring
, REG_A3XX_RB_DEPTH_CONTROL
, 1);
117 OUT_RING(ring
, A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE
|
118 A3XX_RB_DEPTH_CONTROL_Z_ENABLE
|
119 A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_ALWAYS
));
121 OUT_PKT0(ring
, REG_A3XX_GRAS_CL_VPORT_ZOFFSET
, 2);
122 OUT_RING(ring
, A3XX_GRAS_CL_VPORT_ZOFFSET(0.0));
123 OUT_RING(ring
, A3XX_GRAS_CL_VPORT_ZSCALE(depth
));
124 ctx
->dirty
|= FD_DIRTY_VIEWPORT
;
126 OUT_PKT0(ring
, REG_A3XX_RB_DEPTH_CONTROL
, 1);
127 OUT_RING(ring
, A3XX_RB_DEPTH_CONTROL_ZFUNC(FUNC_NEVER
));
130 if (buffers
& PIPE_CLEAR_STENCIL
) {
131 OUT_PKT0(ring
, REG_A3XX_RB_STENCILREFMASK
, 2);
132 OUT_RING(ring
, A3XX_RB_STENCILREFMASK_STENCILREF(stencil
) |
133 A3XX_RB_STENCILREFMASK_STENCILMASK(stencil
) |
134 A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
135 OUT_RING(ring
, A3XX_RB_STENCILREFMASK_STENCILREF(0) |
136 A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
137 0xff000000 | // XXX ???
138 A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0xff));
140 OUT_PKT0(ring
, REG_A3XX_RB_STENCIL_CONTROL
, 1);
141 OUT_RING(ring
, A3XX_RB_STENCIL_CONTROL_STENCIL_ENABLE
|
142 A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_ALWAYS
) |
143 A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP
) |
144 A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_REPLACE
) |
145 A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP
) |
146 A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER
) |
147 A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP
) |
148 A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP
) |
149 A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP
));
151 OUT_PKT0(ring
, REG_A3XX_RB_STENCILREFMASK
, 2);
152 OUT_RING(ring
, A3XX_RB_STENCILREFMASK_STENCILREF(0) |
153 A3XX_RB_STENCILREFMASK_STENCILMASK(0) |
154 A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(0));
155 OUT_RING(ring
, A3XX_RB_STENCILREFMASK_BF_STENCILREF(0) |
156 A3XX_RB_STENCILREFMASK_BF_STENCILMASK(0) |
157 A3XX_RB_STENCILREFMASK_BF_STENCILWRITEMASK(0));
159 OUT_PKT0(ring
, REG_A3XX_RB_STENCIL_CONTROL
, 1);
160 OUT_RING(ring
, A3XX_RB_STENCIL_CONTROL_FUNC(FUNC_NEVER
) |
161 A3XX_RB_STENCIL_CONTROL_FAIL(STENCIL_KEEP
) |
162 A3XX_RB_STENCIL_CONTROL_ZPASS(STENCIL_KEEP
) |
163 A3XX_RB_STENCIL_CONTROL_ZFAIL(STENCIL_KEEP
) |
164 A3XX_RB_STENCIL_CONTROL_FUNC_BF(FUNC_NEVER
) |
165 A3XX_RB_STENCIL_CONTROL_FAIL_BF(STENCIL_KEEP
) |
166 A3XX_RB_STENCIL_CONTROL_ZPASS_BF(STENCIL_KEEP
) |
167 A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(STENCIL_KEEP
));
170 if (buffers
& PIPE_CLEAR_COLOR
) {
176 for (i
= 0; i
< 4; i
++) {
177 OUT_PKT0(ring
, REG_A3XX_RB_MRT_CONTROL(i
), 1);
178 OUT_RING(ring
, A3XX_RB_MRT_CONTROL_ROP_CODE(12) |
179 A3XX_RB_MRT_CONTROL_DITHER_MODE(DITHER_ALWAYS
) |
180 A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE(ce
));
182 OUT_PKT0(ring
, REG_A3XX_RB_MRT_BLEND_CONTROL(i
), 1);
183 OUT_RING(ring
, A3XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(FACTOR_ONE
) |
184 A3XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(BLEND_DST_PLUS_SRC
) |
185 A3XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(FACTOR_ZERO
) |
186 A3XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(FACTOR_ONE
) |
187 A3XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(BLEND_DST_PLUS_SRC
) |
188 A3XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(FACTOR_ZERO
) |
189 A3XX_RB_MRT_BLEND_CONTROL_CLAMP_ENABLE
);
192 OUT_PKT0(ring
, REG_A3XX_GRAS_SU_MODE_CONTROL
, 1);
193 OUT_RING(ring
, A3XX_GRAS_SU_MODE_CONTROL_LINEHALFWIDTH(0));
195 fd3_program_emit(ring
, &ctx
->solid_prog
);
197 fd3_emit_vertex_bufs(ring
, &ctx
->solid_prog
, (struct fd3_vertex_buf
[]) {
198 { .prsc
= fd3_ctx
->solid_vbuf
, .stride
= 12, .format
= PIPE_FORMAT_R32G32B32_FLOAT
},
201 fd3_emit_constant(ring
, SB_FRAG_SHADER
, 0, 0, 4, color
->ui
, NULL
);
203 OUT_PKT0(ring
, REG_A3XX_PC_PRIM_VTX_CNTL
, 1);
204 OUT_RING(ring
, A3XX_PC_PRIM_VTX_CNTL_STRIDE_IN_VPC(0) |
205 A3XX_PC_PRIM_VTX_CNTL_POLYMODE_FRONT_PTYPE(PC_DRAW_TRIANGLES
) |
206 A3XX_PC_PRIM_VTX_CNTL_POLYMODE_BACK_PTYPE(PC_DRAW_TRIANGLES
) |
207 A3XX_PC_PRIM_VTX_CNTL_PROVOKING_VTX_LAST
);
208 OUT_PKT0(ring
, REG_A3XX_VFD_INDEX_MIN
, 4);
209 OUT_RING(ring
, 0); /* VFD_INDEX_MIN */
210 OUT_RING(ring
, 2); /* VFD_INDEX_MAX */
211 OUT_RING(ring
, 0); /* VFD_INSTANCEID_OFFSET */
212 OUT_RING(ring
, 0); /* VFD_INDEX_OFFSET */
213 OUT_PKT0(ring
, REG_A3XX_PC_RESTART_INDEX
, 1);
214 OUT_RING(ring
, 0xffffffff); /* PC_RESTART_INDEX */
216 OUT_PKT3(ring
, CP_EVENT_WRITE
, 1);
217 OUT_RING(ring
, PERFCOUNTER_STOP
);
219 fd_draw(ctx
, DI_PT_RECTLIST
, DI_SRC_SEL_AUTO_INDEX
, 2,
220 INDEX_SIZE_IGN
, 0, 0, NULL
);
224 fd3_draw_init(struct pipe_context
*pctx
)
226 struct fd_context
*ctx
= fd_context(pctx
);
227 ctx
->draw
= fd3_draw
;
228 ctx
->clear
= fd3_clear
;