diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_main.c')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.c | 308 |
1 files changed, 149 insertions, 159 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c index e04ffeb9b1..2a7cb75f59 100644 --- a/src/gallium/drivers/cell/spu/spu_main.c +++ b/src/gallium/drivers/cell/spu/spu_main.c @@ -34,6 +34,7 @@ #include "spu_main.h" #include "spu_render.h" +#include "spu_per_fragment_op.h" #include "spu_texture.h" #include "spu_tile.h" //#include "spu_test.h" @@ -46,7 +47,7 @@ /* helpful headers: /usr/lib/gcc/spu/4.1.1/include/spu_mfcio.h -/opt/ibm/cell-sdk/prototype/sysroot/usr/include/libmisc.h +/opt/cell/sdk/usr/include/libmisc.h */ boolean Debug = FALSE; @@ -55,17 +56,13 @@ struct spu_global spu; struct spu_vs_context draw; -static unsigned char attribute_fetch_code_buffer[136 * PIPE_MAX_ATTRIBS] - ALIGN16_ATTRIB; -static unsigned char depth_stencil_code_buffer[4 * 64] - ALIGN16_ATTRIB; - -static unsigned char fb_blend_code_buffer[4 * 64] +/** + * Buffers containing dynamically generated SPU code: + */ +static unsigned char attribute_fetch_code_buffer[136 * PIPE_MAX_ATTRIBS] ALIGN16_ATTRIB; -static unsigned char logicop_code_buffer[4 * 64] - ALIGN16_ATTRIB; /** @@ -136,54 +133,75 @@ really_clear_tiles(uint surfaceIndex) static void cmd_clear_surface(const struct cell_command_clear_surface *clear) { - const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; - uint i; - if (Debug) printf("SPU %u: CLEAR SURF %u to 0x%08x\n", spu.init.id, clear->surface, clear->value); -#define CLEAR_OPT 1 -#if CLEAR_OPT - /* set all tile's status to CLEAR */ if (clear->surface == 0) { - memset(spu.ctile_status, TILE_STATUS_CLEAR, sizeof(spu.ctile_status)); spu.fb.color_clear_value = clear->value; + if (spu.init.debug_flags & CELL_DEBUG_CHECKER) { + uint x = (spu.init.id << 4) | (spu.init.id << 12) | + (spu.init.id << 20) | (spu.init.id << 28); + spu.fb.color_clear_value ^= x; + } } else { - memset(spu.ztile_status, TILE_STATUS_CLEAR, sizeof(spu.ztile_status)); spu.fb.depth_clear_value = clear->value; } - return; -#endif +#define CLEAR_OPT 1 +#if CLEAR_OPT + + /* Simply set all tiles' status to CLEAR. + * When we actually begin rendering into a tile, we'll initialize it to + * the clear value. If any tiles go untouched during the frame, + * really_clear_tiles() will set them to the clear value. + */ if (clear->surface == 0) { - spu.fb.color_clear_value = clear->value; - clear_c_tile(&spu.ctile); + memset(spu.ctile_status, TILE_STATUS_CLEAR, sizeof(spu.ctile_status)); } else { - spu.fb.depth_clear_value = clear->value; - clear_z_tile(&spu.ztile); + memset(spu.ztile_status, TILE_STATUS_CLEAR, sizeof(spu.ztile_status)); } +#else + + /* + * This path clears the whole framebuffer to the clear color right now. + */ + /* printf("SPU: %s num=%d w=%d h=%d\n", __FUNCTION__, num_tiles, spu.fb.width_tiles, spu.fb.height_tiles); */ - for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) { - uint tx = i % spu.fb.width_tiles; - uint ty = i / spu.fb.width_tiles; - if (clear->surface == 0) - put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0); - else - put_tile(tx, ty, &spu.ztile, TAG_SURFACE_CLEAR, 1); - /* XXX we don't want this here, but it fixes bad tile results */ + /* init a single tile to the clear value */ + if (clear->surface == 0) { + clear_c_tile(&spu.ctile); + } + else { + clear_z_tile(&spu.ztile); } -#if 0 - wait_on_mask(1 << TAG_SURFACE_CLEAR); -#endif + /* walk over my tiles, writing the 'clear' tile's data */ + { + const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; + uint i; + for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) { + uint tx = i % spu.fb.width_tiles; + uint ty = i / spu.fb.width_tiles; + if (clear->surface == 0) + put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0); + else + put_tile(tx, ty, &spu.ztile, TAG_SURFACE_CLEAR, 1); + } + } + + if (spu.init.debug_flags & CELL_DEBUG_SYNC) { + wait_on_mask(1 << TAG_SURFACE_CLEAR); + } + +#endif /* CLEAR_OPT */ if (Debug) printf("SPU %u: CLEAR SURF done\n", spu.init.id); @@ -201,6 +219,31 @@ cmd_release_verts(const struct cell_command_release_verts *release) } +/** + * Process a CELL_CMD_STATE_FRAGMENT_OPS command. + * This involves installing new fragment ops SPU code. + * If this function is never called, we'll use a regular C fallback function + * for fragment processing. + */ +static void +cmd_state_fragment_ops(const struct cell_command_fragment_ops *fops) +{ + if (Debug) + printf("SPU %u: CMD_STATE_FRAGMENT_OPS\n", spu.init.id); + /* Copy SPU code from batch buffer to spu buffer */ + memcpy(spu.fragment_ops_code, fops->code, SPU_MAX_FRAGMENT_OPS_INSTS * 4); + /* Copy state info */ + memcpy(&spu.depth_stencil_alpha, &fops->dsa, sizeof(fops->dsa)); + memcpy(&spu.blend, &fops->blend, sizeof(fops->blend)); + + /* Point function pointer at new code */ + spu.fragment_ops = (spu_fragment_ops_func) spu.fragment_ops_code; + + spu.read_depth = spu.depth_stencil_alpha.depth.enabled; + spu.read_stencil = spu.depth_stencil_alpha.stencil[0].enabled; +} + + static void cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) { @@ -227,87 +270,24 @@ cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) switch (spu.fb.depth_format) { case PIPE_FORMAT_Z32_UNORM: + spu.fb.zsize = 4; + spu.fb.zscale = (float) 0xffffffffu; + break; case PIPE_FORMAT_Z24S8_UNORM: case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: spu.fb.zsize = 4; + spu.fb.zscale = (float) 0x00ffffffu; break; case PIPE_FORMAT_Z16_UNORM: spu.fb.zsize = 2; + spu.fb.zscale = (float) 0xffffu; break; default: spu.fb.zsize = 0; break; } - - if (spu.fb.color_format == PIPE_FORMAT_A8R8G8B8_UNORM) - spu.color_shuffle = ((vector unsigned char) { - 12, 0, 4, 8, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0}); - else if (spu.fb.color_format == PIPE_FORMAT_B8G8R8A8_UNORM) - spu.color_shuffle = ((vector unsigned char) { - 8, 4, 0, 12, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0}); - else - ASSERT(0); -} - - -static void -cmd_state_blend(const struct cell_command_blend *state) -{ - if (Debug) - printf("SPU %u: BLEND: enabled %d\n", - spu.init.id, - (state->size != 0)); - - ASSERT_ALIGN16(state->base); - - if (state->size != 0) { - mfc_get(fb_blend_code_buffer, - (unsigned int) state->base, /* src */ - ROUNDUP16(state->size), - TAG_BATCH_BUFFER, - 0, /* tid */ - 0 /* rid */); - wait_on_mask(1 << TAG_BATCH_BUFFER); - spu.blend = (blend_func) fb_blend_code_buffer; - spu.read_fb = state->read_fb; - } else { - spu.read_fb = FALSE; - } -} - - -static void -cmd_state_depth_stencil(const struct cell_command_depth_stencil_alpha_test *state) -{ - if (Debug) - printf("SPU %u: DEPTH_STENCIL: ztest %d\n", - spu.init.id, - state->read_depth); - - ASSERT_ALIGN16(state->base); - - if (state->size != 0) { - mfc_get(depth_stencil_code_buffer, - (unsigned int) state->base, /* src */ - ROUNDUP16(state->size), - TAG_BATCH_BUFFER, - 0, /* tid */ - 0 /* rid */); - wait_on_mask(1 << TAG_BATCH_BUFFER); - } else { - /* If there is no code, emit a return instruction. - */ - depth_stencil_code_buffer[0] = 0x35; - depth_stencil_code_buffer[1] = 0x00; - depth_stencil_code_buffer[2] = 0x00; - depth_stencil_code_buffer[3] = 0x00; - } - - spu.frag_test = (frag_test_func) depth_stencil_code_buffer; - spu.read_depth = state->read_depth; - spu.read_stencil = state->read_stencil; } @@ -381,6 +361,21 @@ cmd_state_vs_array_info(const struct cell_array_info *vs_info) static void +cmd_state_attrib_fetch(const struct cell_attribute_fetch_code *code) +{ + mfc_get(attribute_fetch_code_buffer, + (unsigned int) code->base, /* src */ + code->size, + TAG_BATCH_BUFFER, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << TAG_BATCH_BUFFER); + + draw.vertex_fetch.code = attribute_fetch_code_buffer; +} + + +static void cmd_finish(void) { if (Debug) @@ -395,7 +390,9 @@ cmd_finish(void) /** - * Execute a batch of commands + * Execute a batch of commands which was sent to us by the PPU. + * See the cell_emit_state.c code to see where the commands come from. + * * The opcode param encodes the location of the buffer and its size. */ static void @@ -432,16 +429,14 @@ cmd_batch(uint opcode) printf("SPU %u: release batch buf %u\n", spu.init.id, buf); release_buffer(buf); + /* + * Loop over commands in the batch buffer + */ for (pos = 0; pos < usize; /* no incr */) { switch (buffer[pos]) { - case CELL_CMD_STATE_FRAMEBUFFER: - { - struct cell_command_framebuffer *fb - = (struct cell_command_framebuffer *) &buffer[pos]; - cmd_state_framebuffer(fb); - pos += sizeof(*fb) / 8; - } - break; + /* + * rendering commands + */ case CELL_CMD_CLEAR_SURFACE: { struct cell_command_clear_surface *clr @@ -459,26 +454,24 @@ cmd_batch(uint opcode) pos += pos_incr; } break; - case CELL_CMD_RELEASE_VERTS: + /* + * state-update commands + */ + case CELL_CMD_STATE_FRAMEBUFFER: { - struct cell_command_release_verts *release - = (struct cell_command_release_verts *) &buffer[pos]; - cmd_release_verts(release); - pos += sizeof(*release) / 8; + struct cell_command_framebuffer *fb + = (struct cell_command_framebuffer *) &buffer[pos]; + cmd_state_framebuffer(fb); + pos += sizeof(*fb) / 8; } break; - case CELL_CMD_FINISH: - cmd_finish(); - pos += 1; - break; - case CELL_CMD_STATE_BLEND: - cmd_state_blend((struct cell_command_blend *) &buffer[pos+1]); - pos += (1 + ROUNDUP8(sizeof(struct cell_command_blend)) / 8); - break; - case CELL_CMD_STATE_DEPTH_STENCIL: - cmd_state_depth_stencil((struct cell_command_depth_stencil_alpha_test *) - &buffer[pos+1]); - pos += (1 + ROUNDUP8(sizeof(struct cell_command_depth_stencil_alpha_test)) / 8); + case CELL_CMD_STATE_FRAGMENT_OPS: + { + struct cell_command_fragment_ops *fops + = (struct cell_command_fragment_ops *) &buffer[pos]; + cmd_state_fragment_ops(fops); + pos += sizeof(*fops) / 8; + } break; case CELL_CMD_STATE_SAMPLER: { @@ -514,42 +507,32 @@ cmd_batch(uint opcode) pos += (1 + ROUNDUP8(sizeof(struct cell_array_info)) / 8); break; case CELL_CMD_STATE_BIND_VS: +#if 0 spu_bind_vertex_shader(&draw, (struct cell_shader_info *) &buffer[pos+1]); +#endif pos += (1 + ROUNDUP8(sizeof(struct cell_shader_info)) / 8); break; - case CELL_CMD_STATE_ATTRIB_FETCH: { - struct cell_attribute_fetch_code *code = - (struct cell_attribute_fetch_code *) &buffer[pos+1]; - - mfc_get(attribute_fetch_code_buffer, - (unsigned int) code->base, /* src */ - code->size, - TAG_BATCH_BUFFER, - 0, /* tid */ - 0 /* rid */); - wait_on_mask(1 << TAG_BATCH_BUFFER); - - draw.vertex_fetch.code = attribute_fetch_code_buffer; + case CELL_CMD_STATE_ATTRIB_FETCH: + cmd_state_attrib_fetch((struct cell_attribute_fetch_code *) + &buffer[pos+1]); pos += (1 + ROUNDUP8(sizeof(struct cell_attribute_fetch_code)) / 8); break; - } - case CELL_CMD_STATE_LOGICOP: { - struct cell_command_logicop *code = - (struct cell_command_logicop *) &buffer[pos+1]; - - mfc_get(logicop_code_buffer, - (unsigned int) code->base, /* src */ - code->size, - TAG_BATCH_BUFFER, - 0, /* tid */ - 0 /* rid */); - wait_on_mask(1 << TAG_BATCH_BUFFER); - - spu.logicop = (logicop_func) logicop_code_buffer; - pos += (1 + ROUNDUP8(sizeof(struct cell_command_logicop)) / 8); + /* + * misc commands + */ + case CELL_CMD_FINISH: + cmd_finish(); + pos += 1; + break; + case CELL_CMD_RELEASE_VERTS: + { + struct cell_command_release_verts *release + = (struct cell_command_release_verts *) &buffer[pos]; + cmd_release_verts(release); + pos += sizeof(*release) / 8; + } break; - } case CELL_CMD_FLUSH_BUFFER_RANGE: { struct cell_buffer_range *br = (struct cell_buffer_range *) &buffer[pos+1]; @@ -618,7 +601,9 @@ main_loop(void) exitFlag = 1; break; case CELL_CMD_VS_EXECUTE: +#if 0 spu_execute_vertex_shader(&draw, &cmd.vs); +#endif break; case CELL_CMD_BATCH: cmd_batch(opcode); @@ -643,6 +628,11 @@ one_time_init(void) memset(spu.ctile_status, TILE_STATUS_DEFINED, sizeof(spu.ctile_status)); memset(spu.ztile_status, TILE_STATUS_DEFINED, sizeof(spu.ztile_status)); invalidate_tex_cache(); + + /* Install default/fallback fragment processing function. + * This will normally be overriden by a code-gen'd function. + */ + spu.fragment_ops = spu_fallback_fragment_ops; } |