diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_batch.c | 17 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_clear.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_context.h | 27 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_flush.c | 9 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_spu.c | 18 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_derived.c | 29 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_emit.c | 18 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_shader.c | 24 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_texture.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_vbuf.c | 5 |
10 files changed, 115 insertions, 39 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_batch.c b/src/gallium/drivers/cell/ppu/cell_batch.c index 5d007d4c8ce..a32a8c5633a 100644 --- a/src/gallium/drivers/cell/ppu/cell_batch.c +++ b/src/gallium/drivers/cell/ppu/cell_batch.c @@ -32,6 +32,13 @@ +/** + * Search the buffer pool for an empty/free buffer and return its index. + * Buffers are used for storing vertex data, state and commands which + * will be sent to the SPUs. + * If no empty buffers are available, wait for one. + * \return buffer index in [0, CELL_NUM_BUFFERS-1] + */ uint cell_get_empty_buffer(struct cell_context *cell) { @@ -74,6 +81,11 @@ cell_get_empty_buffer(struct cell_context *cell) } +/** + * Flush the current batch buffer to the SPUs. + * An empty buffer will be found and set as the new current batch buffer + * for subsequent commands/data. + */ void cell_batch_flush(struct cell_context *cell) { @@ -120,6 +132,9 @@ cell_batch_flush(struct cell_context *cell) } +/** + * Return the number of bytes free in the current batch buffer. + */ uint cell_batch_free_space(const struct cell_context *cell) { @@ -129,7 +144,7 @@ cell_batch_free_space(const struct cell_context *cell) /** - * Append data to current batch. + * Append data to the current batch buffer. * \param data address of block of bytes to append * \param bytes size of block of bytes */ diff --git a/src/gallium/drivers/cell/ppu/cell_clear.c b/src/gallium/drivers/cell/ppu/cell_clear.c index a421c95c8e8..207c96b9f6d 100644 --- a/src/gallium/drivers/cell/ppu/cell_clear.c +++ b/src/gallium/drivers/cell/ppu/cell_clear.c @@ -44,6 +44,9 @@ #include "cell_state.h" +/** + * Called via pipe->clear() + */ void cell_clear_surface(struct pipe_context *pipe, struct pipe_surface *ps, unsigned clearValue) @@ -61,13 +64,16 @@ cell_clear_surface(struct pipe_context *pipe, struct pipe_surface *ps, PIPE_BUFFER_USAGE_GPU_WRITE); if (ps == cell->framebuffer.zsbuf) { + /* clear z/stencil buffer */ surfIndex = 1; } else { + /* clear color buffer */ surfIndex = 0; } + /* Build a CLEAR command and place it in the current batch buffer */ { struct cell_command_clear_surface *clr = (struct cell_command_clear_surface *) diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h index f1d1ca89a97..9ca153d52f2 100644 --- a/src/gallium/drivers/cell/ppu/cell_context.h +++ b/src/gallium/drivers/cell/ppu/cell_context.h @@ -39,8 +39,13 @@ #include "rtasm/rtasm_ppc_spe.h" #include "tgsi/tgsi_scan.h" + struct cell_vbuf_render; + +/** + * Cell vertex shader state, subclass of pipe_shader_state. + */ struct cell_vertex_shader_state { struct pipe_shader_state shader; @@ -49,6 +54,9 @@ struct cell_vertex_shader_state }; +/** + * Cell fragment shader state, subclass of pipe_shader_state. + */ struct cell_fragment_shader_state { struct pipe_shader_state shader; @@ -57,7 +65,11 @@ struct cell_fragment_shader_state }; -struct cell_blend_state { +/** + * Cell blend state atom, subclass of pipe_blend_state. + */ +struct cell_blend_state +{ struct pipe_blend_state base; /** @@ -67,17 +79,24 @@ struct cell_blend_state { }; -struct cell_depth_stencil_alpha_state { - struct pipe_depth_stencil_alpha_state base; +/** + * Cell depth/stencil/alpha state atom, subclass of + * pipe_depth_stencil_alpha_state. + */ +struct cell_depth_stencil_alpha_state +{ + struct pipe_depth_stencil_alpha_state base; /** * Generated code to perform alpha, stencil, and depth testing on the SPE */ struct spe_function code; - }; +/** + * Per-context state, subclass of pipe_context. + */ struct cell_context { struct pipe_context pipe; diff --git a/src/gallium/drivers/cell/ppu/cell_flush.c b/src/gallium/drivers/cell/ppu/cell_flush.c index ff0d61764bc..6596b720101 100644 --- a/src/gallium/drivers/cell/ppu/cell_flush.c +++ b/src/gallium/drivers/cell/ppu/cell_flush.c @@ -34,6 +34,9 @@ #include "draw/draw_context.h" +/** + * Called via pipe->flush() + */ void cell_flush(struct pipe_context *pipe, unsigned flags, struct pipe_fence_handle **fence) @@ -54,7 +57,11 @@ cell_flush(struct pipe_context *pipe, unsigned flags, } -/** internal flush */ +/** + * Cell internal flush function. Send the current batch buffer to all SPUs. + * If flags & CELL_FLUSH_WAIT, do not return until the SPUs are idle. + * \param flags bitmask of flags CELL_FLUSH_WAIT, or zero + */ void cell_flush_int(struct cell_context *cell, unsigned flags) { diff --git a/src/gallium/drivers/cell/ppu/cell_spu.c b/src/gallium/drivers/cell/ppu/cell_spu.c index 973c0b1aa12..5e75f409a3b 100644 --- a/src/gallium/drivers/cell/ppu/cell_spu.c +++ b/src/gallium/drivers/cell/ppu/cell_spu.c @@ -26,6 +26,11 @@ **************************************************************************/ +/** + * Utility/wrappers for communicating with the SPUs. + */ + + #include <pthread.h> #include "cell_spu.h" @@ -74,7 +79,11 @@ wait_mbox_message(spe_context_ptr_t ctx) } -static void *cell_thread_function(void *arg) +/** + * Called by pthread_create() to spawn an SPU thread. + */ +static void * +cell_thread_function(void *arg) { struct cell_init_info *init = (struct cell_init_info *) arg; unsigned entry = SPE_DEFAULT_ENTRY; @@ -92,7 +101,10 @@ static void *cell_thread_function(void *arg) /** - * Create the SPU threads + * Create the SPU threads. This is done once during driver initialization. + * This involves setting the the "init" message which is sent to each SPU. + * The init message specifies an SPU id, total number of SPUs, location + * and number of batch buffers, etc. */ void cell_start_spus(struct cell_context *cell) @@ -100,7 +112,6 @@ cell_start_spus(struct cell_context *cell) static boolean one_time_init = FALSE; uint i, j; - if (one_time_init) { fprintf(stderr, "PPU: Multiple rendering contexts not yet supported " "on Cell.\n"); @@ -145,6 +156,7 @@ cell_start_spus(struct cell_context *cell) /** * Tell all the SPUs to stop/exit. + * This is done when the driver's exiting / cleaning up. */ void cell_spu_exit(struct cell_context *cell) diff --git a/src/gallium/drivers/cell/ppu/cell_state_derived.c b/src/gallium/drivers/cell/ppu/cell_state_derived.c index 8ab938a02aa..efc4f78364b 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_derived.c +++ b/src/gallium/drivers/cell/ppu/cell_state_derived.c @@ -35,21 +35,6 @@ #include "cell_state_emit.h" -static int -find_vs_output(const struct cell_vertex_shader_state *vs, - uint semantic_name, - uint semantic_index) -{ - uint i; - for (i = 0; i < vs->info.num_outputs; i++) { - if (vs->info.output_semantic_name[i] == semantic_name && - vs->info.output_semantic_index[i] == semantic_index) - return i; - } - return -1; -} - - /** * Determine how to map vertex program outputs to fragment program inputs. * Basically, this will be used when computing the triangle interpolation @@ -58,7 +43,6 @@ find_vs_output(const struct cell_vertex_shader_state *vs, static void calculate_vertex_layout( struct cell_context *cell ) { - const struct cell_vertex_shader_state *vs = cell->vs; const struct cell_fragment_shader_state *fs = cell->fs; const enum interp_mode colorInterp = cell->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR; @@ -82,7 +66,7 @@ calculate_vertex_layout( struct cell_context *cell ) vinfo->num_attribs = 0; /* we always want to emit vertex pos */ - src = find_vs_output(vs, TGSI_SEMANTIC_POSITION, 0); + src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_POSITION, 0); assert(src >= 0); draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_POS, src); @@ -98,14 +82,14 @@ calculate_vertex_layout( struct cell_context *cell ) break; case TGSI_SEMANTIC_COLOR: - src = find_vs_output(vs, TGSI_SEMANTIC_COLOR, - fs->info.input_semantic_index[i]); + src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_COLOR, + fs->info.input_semantic_index[i]); assert(src >= 0); draw_emit_vertex_attr(vinfo, EMIT_4F, colorInterp, src); break; case TGSI_SEMANTIC_FOG: - src = find_vs_output(vs, TGSI_SEMANTIC_FOG, 0); + src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_FOG, 0); #if 1 if (src < 0) /* XXX temp hack, try demos/fogcoord.c with this */ src = 0; @@ -116,7 +100,7 @@ calculate_vertex_layout( struct cell_context *cell ) case TGSI_SEMANTIC_GENERIC: /* this includes texcoords and varying vars */ - src = find_vs_output(vs, TGSI_SEMANTIC_GENERIC, + src = draw_find_vs_output(cell->draw, TGSI_SEMANTIC_GENERIC, fs->info.input_semantic_index[i]); assert(src >= 0); draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src); @@ -163,6 +147,9 @@ compute_cliprect(struct cell_context *sp) +/** + * Update derived state, send current state to SPUs prior to rendering. + */ void cell_update_derived( struct cell_context *cell ) { if (cell->dirty & (CELL_NEW_RASTERIZER | diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c index 9d88c1cf3d2..f2feaa329ab 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_emit.c +++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c @@ -47,7 +47,10 @@ emit_state_cmd(struct cell_context *cell, uint cmd, } - +/** + * For state marked as 'dirty', construct a state-update command block + * and insert it into the current batch buffer. + */ void cell_emit_state(struct cell_context *cell) { @@ -90,7 +93,8 @@ cell_emit_state(struct cell_context *cell) blend.size = (char *) cell->blend->code.csr - (char *) cell->blend->code.store; blend.read_fb = TRUE; - } else { + } + else { blend.base = 0; blend.size = 0; blend.read_fb = FALSE; @@ -101,7 +105,6 @@ cell_emit_state(struct cell_context *cell) if (cell->dirty & CELL_NEW_DEPTH_STENCIL) { struct cell_command_depth_stencil_alpha_test dsat; - if (cell->depth_stencil != NULL) { dsat.base = (intptr_t) cell->depth_stencil->code.store; @@ -109,15 +112,15 @@ cell_emit_state(struct cell_context *cell) - (char *) cell->depth_stencil->code.store; dsat.read_depth = TRUE; dsat.read_stencil = FALSE; - } else { + } + else { dsat.base = 0; dsat.size = 0; dsat.read_depth = FALSE; dsat.read_stencil = FALSE; } - emit_state_cmd(cell, CELL_CMD_STATE_DEPTH_STENCIL, &dsat, - sizeof(dsat)); + emit_state_cmd(cell, CELL_CMD_STATE_DEPTH_STENCIL, &dsat, sizeof(dsat)); } if (cell->dirty & CELL_NEW_SAMPLER) { @@ -170,7 +173,6 @@ cell_emit_state(struct cell_context *cell) info.immediates = (uintptr_t) draw->vs.machine.Imms; info.num_immediates = draw->vs.machine.ImmLimit / 4; - emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, - & info, sizeof(info)); + emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info)); } } diff --git a/src/gallium/drivers/cell/ppu/cell_state_shader.c b/src/gallium/drivers/cell/ppu/cell_state_shader.c index 3d1b887da94..97e44eeb1a4 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_shader.c +++ b/src/gallium/drivers/cell/ppu/cell_state_shader.c @@ -53,7 +53,10 @@ cell_vertex_shader_state(void *shader) } - +/** + * Create fragment shader state. + * Called via pipe->create_fs_state() + */ static void * cell_create_fs_state(struct pipe_context *pipe, const struct pipe_shader_state *templ) @@ -77,6 +80,9 @@ cell_create_fs_state(struct pipe_context *pipe, } +/** + * Called via pipe->bind_fs_state() + */ static void cell_bind_fs_state(struct pipe_context *pipe, void *fs) { @@ -88,6 +94,9 @@ cell_bind_fs_state(struct pipe_context *pipe, void *fs) } +/** + * Called via pipe->delete_fs_state() + */ static void cell_delete_fs_state(struct pipe_context *pipe, void *fs) { @@ -98,6 +107,10 @@ cell_delete_fs_state(struct pipe_context *pipe, void *fs) } +/** + * Create vertex shader state. + * Called via pipe->create_vs_state() + */ static void * cell_create_vs_state(struct pipe_context *pipe, const struct pipe_shader_state *templ) @@ -128,6 +141,9 @@ cell_create_vs_state(struct pipe_context *pipe, } +/** + * Called via pipe->bind_vs_state() + */ static void cell_bind_vs_state(struct pipe_context *pipe, void *vs) { @@ -142,6 +158,9 @@ cell_bind_vs_state(struct pipe_context *pipe, void *vs) } +/** + * Called via pipe->delete_vs_state() + */ static void cell_delete_vs_state(struct pipe_context *pipe, void *vs) { @@ -154,6 +173,9 @@ cell_delete_vs_state(struct pipe_context *pipe, void *vs) } +/** + * Called via pipe->set_constant_buffer() + */ static void cell_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index, diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c index 34d002c3dc3..b6590dfb86e 100644 --- a/src/gallium/drivers/cell/ppu/cell_texture.c +++ b/src/gallium/drivers/cell/ppu/cell_texture.c @@ -372,6 +372,7 @@ cell_init_texture_functions(struct cell_context *cell) /*cell->pipe.texture_update = cell_texture_update;*/ } + void cell_init_screen_texture_funcs(struct pipe_screen *screen) { diff --git a/src/gallium/drivers/cell/ppu/cell_vbuf.c b/src/gallium/drivers/cell/ppu/cell_vbuf.c index 1bf0a24bccc..aa63435b934 100644 --- a/src/gallium/drivers/cell/ppu/cell_vbuf.c +++ b/src/gallium/drivers/cell/ppu/cell_vbuf.c @@ -26,6 +26,11 @@ **************************************************************************/ /** + * Vertex buffer code. The draw module transforms vertices to window + * coords, etc. and emits the vertices into buffer supplied by this module. + * When a vertex buffer is full, or we flush, we'll send the vertex data + * to the SPUs. + * * Authors * Brian Paul */ |