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4358 | Serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
2 | |||
3 | /* |
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4 | * Copyright (C) 2012 Rob Clark |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice (including the next |
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14 | * paragraph) shall be included in all copies or substantial portions of the |
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15 | * Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 | * SOFTWARE. |
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24 | * |
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25 | * Authors: |
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26 | * Rob Clark |
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27 | */ |
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28 | |||
29 | #include "pipe/p_state.h" |
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30 | #include "util/u_string.h" |
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31 | #include "util/u_memory.h" |
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32 | #include "util/u_prim.h" |
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33 | #include "util/u_format.h" |
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34 | |||
35 | #include "freedreno_draw.h" |
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36 | #include "freedreno_context.h" |
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37 | #include "freedreno_state.h" |
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38 | #include "freedreno_resource.h" |
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39 | #include "freedreno_util.h" |
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40 | |||
41 | |||
42 | static enum pc_di_primtype |
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43 | mode2primtype(unsigned mode) |
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44 | { |
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45 | switch (mode) { |
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46 | case PIPE_PRIM_POINTS: return DI_PT_POINTLIST; |
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47 | case PIPE_PRIM_LINES: return DI_PT_LINELIST; |
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48 | case PIPE_PRIM_LINE_STRIP: return DI_PT_LINESTRIP; |
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49 | case PIPE_PRIM_TRIANGLES: return DI_PT_TRILIST; |
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50 | case PIPE_PRIM_TRIANGLE_STRIP: return DI_PT_TRISTRIP; |
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51 | case PIPE_PRIM_TRIANGLE_FAN: return DI_PT_TRIFAN; |
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52 | case PIPE_PRIM_QUADS: return DI_PT_QUADLIST; |
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53 | case PIPE_PRIM_QUAD_STRIP: return DI_PT_QUADSTRIP; |
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54 | case PIPE_PRIM_POLYGON: return DI_PT_POLYGON; |
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55 | } |
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56 | DBG("unsupported mode: (%s) %d", u_prim_name(mode), mode); |
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57 | assert(0); |
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58 | return DI_PT_NONE; |
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59 | } |
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60 | |||
61 | static enum pc_di_index_size |
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62 | size2indextype(unsigned index_size) |
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63 | { |
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64 | switch (index_size) { |
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65 | case 1: return INDEX_SIZE_8_BIT; |
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66 | case 2: return INDEX_SIZE_16_BIT; |
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67 | case 4: return INDEX_SIZE_32_BIT; |
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68 | } |
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69 | DBG("unsupported index size: %d", index_size); |
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70 | assert(0); |
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71 | return INDEX_SIZE_IGN; |
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72 | } |
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73 | |||
74 | /* this is same for a2xx/a3xx, so split into helper: */ |
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75 | void |
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76 | fd_draw_emit(struct fd_context *ctx, const struct pipe_draw_info *info) |
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77 | { |
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78 | struct fd_ringbuffer *ring = ctx->ring; |
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79 | struct pipe_index_buffer *idx = &ctx->indexbuf; |
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80 | struct fd_bo *idx_bo = NULL; |
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81 | enum pc_di_index_size idx_type = INDEX_SIZE_IGN; |
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82 | enum pc_di_src_sel src_sel; |
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83 | uint32_t idx_size, idx_offset; |
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84 | |||
85 | if (info->indexed) { |
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86 | assert(!idx->user_buffer); |
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87 | |||
88 | idx_bo = fd_resource(idx->buffer)->bo; |
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89 | idx_type = size2indextype(idx->index_size); |
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90 | idx_size = idx->index_size * info->count; |
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91 | idx_offset = idx->offset; |
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92 | src_sel = DI_SRC_SEL_DMA; |
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93 | } else { |
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94 | idx_bo = NULL; |
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95 | idx_type = INDEX_SIZE_IGN; |
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96 | idx_size = 0; |
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97 | idx_offset = 0; |
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98 | src_sel = DI_SRC_SEL_AUTO_INDEX; |
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99 | } |
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100 | |||
101 | OUT_PKT3(ring, CP_DRAW_INDX, info->indexed ? 5 : 3); |
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102 | OUT_RING(ring, 0x00000000); /* viz query info. */ |
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103 | OUT_RING(ring, DRAW(mode2primtype(info->mode), |
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104 | src_sel, idx_type, IGNORE_VISIBILITY)); |
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105 | OUT_RING(ring, info->count); /* NumIndices */ |
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106 | if (info->indexed) { |
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4401 | Serge | 107 | OUT_RELOC(ring, idx_bo, idx_offset, 0, 0); |
4358 | Serge | 108 | OUT_RING (ring, idx_size); |
109 | } |
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110 | } |
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111 | |||
112 | static void |
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113 | fd_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) |
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114 | { |
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115 | struct fd_context *ctx = fd_context(pctx); |
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116 | struct pipe_framebuffer_state *pfb = &ctx->framebuffer; |
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117 | struct pipe_scissor_state *scissor = fd_context_get_scissor(ctx); |
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118 | unsigned i, buffers = 0; |
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119 | |||
120 | /* if we supported transform feedback, we'd have to disable this: */ |
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121 | if (((scissor->maxx - scissor->minx) * |
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122 | (scissor->maxy - scissor->miny)) == 0) { |
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123 | return; |
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124 | } |
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125 | |||
126 | ctx->needs_flush = true; |
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127 | |||
128 | /* |
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129 | * Figure out the buffers/features we need: |
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130 | */ |
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131 | |||
132 | if (fd_depth_enabled(ctx)) { |
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133 | buffers |= FD_BUFFER_DEPTH; |
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134 | fd_resource(pfb->zsbuf->texture)->dirty = true; |
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135 | ctx->gmem_reason |= FD_GMEM_DEPTH_ENABLED; |
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136 | } |
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137 | |||
138 | if (fd_stencil_enabled(ctx)) { |
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139 | buffers |= FD_BUFFER_STENCIL; |
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140 | fd_resource(pfb->zsbuf->texture)->dirty = true; |
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141 | ctx->gmem_reason |= FD_GMEM_STENCIL_ENABLED; |
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142 | } |
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143 | |||
144 | if (fd_logicop_enabled(ctx)) |
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145 | ctx->gmem_reason |= FD_GMEM_LOGICOP_ENABLED; |
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146 | |||
147 | for (i = 0; i < pfb->nr_cbufs; i++) { |
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148 | struct pipe_resource *surf = pfb->cbufs[i]->texture; |
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149 | |||
150 | fd_resource(surf)->dirty = true; |
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151 | buffers |= FD_BUFFER_COLOR; |
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152 | |||
153 | if (surf->nr_samples > 1) |
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154 | ctx->gmem_reason |= FD_GMEM_MSAA_ENABLED; |
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155 | |||
156 | if (fd_blend_enabled(ctx, i)) |
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157 | ctx->gmem_reason |= FD_GMEM_BLEND_ENABLED; |
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158 | } |
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159 | |||
160 | ctx->num_draws++; |
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161 | |||
162 | /* any buffers that haven't been cleared, we need to restore: */ |
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163 | ctx->restore |= buffers & (FD_BUFFER_ALL & ~ctx->cleared); |
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164 | /* and any buffers used, need to be resolved: */ |
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165 | ctx->resolve |= buffers; |
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166 | |||
167 | ctx->draw(ctx, info); |
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168 | } |
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169 | |||
170 | /* TODO figure out how to make better use of existing state mechanism |
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171 | * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep |
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172 | * track of what state really actually changes, and (b) reduce the code |
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173 | * in the a2xx/a3xx parts. |
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174 | */ |
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175 | |||
176 | static void |
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177 | fd_clear(struct pipe_context *pctx, unsigned buffers, |
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178 | const union pipe_color_union *color, double depth, unsigned stencil) |
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179 | { |
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180 | struct fd_context *ctx = fd_context(pctx); |
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181 | struct pipe_framebuffer_state *pfb = &ctx->framebuffer; |
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182 | |||
183 | ctx->cleared |= buffers; |
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184 | ctx->resolve |= buffers; |
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185 | ctx->needs_flush = true; |
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186 | |||
187 | if (buffers & PIPE_CLEAR_COLOR) |
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188 | fd_resource(pfb->cbufs[0]->texture)->dirty = true; |
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189 | |||
190 | if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) { |
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191 | fd_resource(pfb->zsbuf->texture)->dirty = true; |
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192 | ctx->gmem_reason |= FD_GMEM_CLEARS_DEPTH_STENCIL; |
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193 | } |
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194 | |||
195 | DBG("%x depth=%f, stencil=%u (%s/%s)", buffers, depth, stencil, |
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4401 | Serge | 196 | util_format_short_name(pipe_surface_format(pfb->cbufs[0])), |
197 | util_format_short_name(pipe_surface_format(pfb->zsbuf))); |
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4358 | Serge | 198 | |
199 | ctx->clear(ctx, buffers, color, depth, stencil); |
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200 | |||
201 | ctx->dirty |= FD_DIRTY_ZSA | |
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202 | FD_DIRTY_RASTERIZER | |
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203 | FD_DIRTY_SAMPLE_MASK | |
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204 | FD_DIRTY_PROG | |
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205 | FD_DIRTY_CONSTBUF | |
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206 | FD_DIRTY_BLEND; |
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207 | |||
208 | if (fd_mesa_debug & FD_DBG_DCLEAR) |
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209 | ctx->dirty = 0xffffffff; |
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210 | } |
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211 | |||
212 | static void |
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213 | fd_clear_render_target(struct pipe_context *pctx, struct pipe_surface *ps, |
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214 | const union pipe_color_union *color, |
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215 | unsigned x, unsigned y, unsigned w, unsigned h) |
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216 | { |
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217 | DBG("TODO: x=%u, y=%u, w=%u, h=%u", x, y, w, h); |
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218 | } |
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219 | |||
220 | static void |
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221 | fd_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *ps, |
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222 | unsigned buffers, double depth, unsigned stencil, |
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223 | unsigned x, unsigned y, unsigned w, unsigned h) |
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224 | { |
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225 | DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u", |
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226 | buffers, depth, stencil, x, y, w, h); |
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227 | } |
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228 | |||
229 | void |
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230 | fd_draw_init(struct pipe_context *pctx) |
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231 | { |
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232 | pctx->draw_vbo = fd_draw_vbo; |
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233 | pctx->clear = fd_clear; |
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234 | pctx->clear_render_target = fd_clear_render_target; |
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235 | pctx->clear_depth_stencil = fd_clear_depth_stencil; |
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236 | }> |