diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_main.c')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.c | 225 |
1 files changed, 103 insertions, 122 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c index d223f32d94..78260c4259 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; @@ -62,14 +63,6 @@ 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] - ALIGN16_ATTRIB; - -static unsigned char logicop_code_buffer[4 * 64] - ALIGN16_ATTRIB; /** @@ -226,6 +219,46 @@ 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 (for fallback case only) */ + 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_fragment_program(const struct cell_command_fragment_program *fp) +{ + if (Debug) + printf("SPU %u: CMD_STATE_FRAGMENT_PROGRAM\n", spu.init.id); + /* Copy SPU code from batch buffer to spu buffer */ + memcpy(spu.fragment_program_code, fp->code, + SPU_MAX_FRAGMENT_PROGRAM_INSTS * 4); +#if 01 + /* Point function pointer at new code */ + spu.fragment_program = (spu_fragment_program_func)spu.fragment_program_code; +#endif +} + + static void cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) { @@ -252,102 +285,24 @@ 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; -} - - -static void -cmd_state_logicop(const struct cell_command_logicop * code) -{ - 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; } @@ -450,7 +405,9 @@ 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 @@ -487,16 +444,14 @@ 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 @@ -514,26 +469,32 @@ 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); + 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_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_PROGRAM: + { + struct cell_command_fragment_program *fp + = (struct cell_command_fragment_program *) &buffer[pos]; + cmd_state_fragment_program(fp); + pos += sizeof(*fp) / 8; + } break; case CELL_CMD_STATE_SAMPLER: { @@ -569,8 +530,10 @@ 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: @@ -578,9 +541,20 @@ cmd_batch(uint opcode) &buffer[pos+1]); pos += (1 + ROUNDUP8(sizeof(struct cell_attribute_fetch_code)) / 8); break; - case CELL_CMD_STATE_LOGICOP: - cmd_state_logicop((struct cell_command_logicop *) &buffer[pos+1]); - 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 *) @@ -650,7 +624,9 @@ 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); @@ -675,6 +651,11 @@ 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; } |