From: Dave Airlie Date: Tue, 28 Jan 2014 03:04:00 +0000 (+1000) Subject: r600g: initial VS output layer support X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f89394be986843a65150ae9bef761b73e58fd1ba;p=mesa.git r600g: initial VS output layer support This just adds support for emitting the proper value in the VS out misc. Signed-off-by: Dave Airlie Reviewed-by: Alex Deucher --- diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index e23f434e671..c784f2fe20d 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -3726,7 +3726,8 @@ void evergreen_update_vs_state(struct pipe_context *ctx, struct r600_pipe_shader S_02881C_VS_OUT_CCDIST0_VEC_ENA((rshader->clip_dist_write & 0x0F) != 0) | S_02881C_VS_OUT_CCDIST1_VEC_ENA((rshader->clip_dist_write & 0xF0) != 0) | S_02881C_VS_OUT_MISC_VEC_ENA(rshader->vs_out_misc_write) | - S_02881C_USE_VTX_POINT_SIZE(rshader->vs_out_point_size); + S_02881C_USE_VTX_POINT_SIZE(rshader->vs_out_point_size) | + S_02881C_USE_VTX_RENDER_TARGET_INDX(rshader->vs_out_layer); } void *evergreen_create_resolve_blend(struct r600_context *rctx) diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 6c80f85f9e3..2d5b8253665 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -383,6 +383,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) /* Supported on Evergreen. */ case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: case PIPE_CAP_CUBE_MAP_ARRAY: + case PIPE_CAP_TGSI_VS_LAYER: return family >= CHIP_CEDAR ? 1 : 0; /* Unsupported features. */ @@ -392,7 +393,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_CLAMPED: case PIPE_CAP_USER_VERTEX_BUFFERS: - case PIPE_CAP_TGSI_VS_LAYER: return 0; /* Stream output. */ diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index a58955a8148..0a9f55a94a0 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -487,6 +487,7 @@ static int r600_spi_sid(struct r600_shader_io * io) */ if (name == TGSI_SEMANTIC_POSITION || name == TGSI_SEMANTIC_PSIZE || + name == TGSI_SEMANTIC_LAYER || name == TGSI_SEMANTIC_FACE) index = 0; else { @@ -618,6 +619,10 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx) ctx->shader->vs_out_misc_write = 1; ctx->shader->vs_out_point_size = 1; break; + case TGSI_SEMANTIC_LAYER: + ctx->shader->vs_out_misc_write = 1; + ctx->shader->vs_out_layer = 1; + break; case TGSI_SEMANTIC_CLIPVERTEX: ctx->clip_vertex_write = TRUE; ctx->cv_output = i; @@ -1157,7 +1162,7 @@ static int generate_gs_copy_shader(struct r600_context *rctx, struct r600_bytecode_output output; struct r600_bytecode_cf *cf_jump, *cf_pop, *last_exp_pos = NULL, *last_exp_param = NULL; - int i, next_pos = 60, next_param = 0; + int i, next_clip_pos = 62, next_param = 0; cshader = calloc(1, sizeof(struct r600_pipe_shader)); if (!cshader) @@ -1252,13 +1257,24 @@ static int generate_gs_copy_shader(struct r600_context *rctx, output.op = CF_OP_EXPORT; switch (out->name) { case TGSI_SEMANTIC_POSITION: - output.array_base = next_pos++; + output.array_base = 60; output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; break; case TGSI_SEMANTIC_PSIZE: - output.array_base = next_pos++; + output.array_base = 61; + output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + output.swizzle_y = 7; + output.swizzle_z = 7; + output.swizzle_w = 7; + break; + case TGSI_SEMANTIC_LAYER: + output.array_base = 61; output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + output.swizzle_x = 7; + output.swizzle_y = 7; + output.swizzle_z = 0; + output.swizzle_w = 7; break; case TGSI_SEMANTIC_CLIPDIST: /* spi_sid is 0 for clipdistance outputs that were generated @@ -1269,7 +1285,7 @@ static int generate_gs_copy_shader(struct r600_context *rctx, r600_bytecode_add_output(ctx.bc, &output); last_exp_param = ctx.bc->cf_last; } - output.array_base = next_pos++; + output.array_base = next_clip_pos++; output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; break; case TGSI_SEMANTIC_FOG: @@ -1299,7 +1315,7 @@ static int generate_gs_copy_shader(struct r600_context *rctx, output.burst_count = 1; output.type = 2; output.op = CF_OP_EXPORT; - output.array_base = next_pos++; + output.array_base = 60; output.type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; r600_bytecode_add_output(ctx.bc, &output); last_exp_pos = ctx.bc->cf_last; @@ -1430,12 +1446,13 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, unsigned output_done, noutput; unsigned opcode; int i, j, k, r = 0; - int next_pos_base = 60, next_param_base = 0; + int next_param_base = 0, next_clip_base; int max_color_exports = MAX2(key.nr_cbufs, 1); /* Declarations used by llvm code */ bool use_llvm = false; bool indirect_gprs; bool ring_outputs = false; + bool pos_emitted = false; #ifdef R600_USE_LLVM use_llvm = !(rscreen->b.debug_flags & DBG_NO_LLVM); @@ -1863,7 +1880,9 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, if (key.vs_as_es) emit_gs_ring_writes(&ctx, FALSE); } else { - /* export output */ + /* Export output */ + next_clip_base = shader->vs_out_misc_write ? 62 : 61; + for (i = 0, j = 0; i < noutput; i++, j++) { memset(&output[j], 0, sizeof(struct r600_bytecode_output)); output[j].gpr = shader->output[i].gpr; @@ -1879,20 +1898,35 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, case TGSI_PROCESSOR_VERTEX: switch (shader->output[i].name) { case TGSI_SEMANTIC_POSITION: - output[j].array_base = next_pos_base++; + output[j].array_base = 60; output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + pos_emitted = true; break; case TGSI_SEMANTIC_PSIZE: - output[j].array_base = next_pos_base++; + output[j].array_base = 61; + output[j].swizzle_y = 7; + output[j].swizzle_z = 7; + output[j].swizzle_w = 7; + output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + pos_emitted = true; + break; + case TGSI_SEMANTIC_LAYER: + output[j].array_base = 61; + output[j].swizzle_x = 7; + output[j].swizzle_y = 7; + output[j].swizzle_z = 0; + output[j].swizzle_w = 7; output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + pos_emitted = true; break; case TGSI_SEMANTIC_CLIPVERTEX: j--; break; case TGSI_SEMANTIC_CLIPDIST: - output[j].array_base = next_pos_base++; + output[j].array_base = next_clip_base++; output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; + pos_emitted = true; /* spi_sid is 0 for clipdistance outputs that were generated * for clipvertex - we don't need to pass them to PS */ if (shader->output[i].spi_sid) { @@ -1970,7 +2004,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, } /* add fake position export */ - if (ctx.type == TGSI_PROCESSOR_VERTEX && next_pos_base == 60) { + if (ctx.type == TGSI_PROCESSOR_VERTEX && pos_emitted == false) { memset(&output[j], 0, sizeof(struct r600_bytecode_output)); output[j].gpr = 0; output[j].elem_size = 3; @@ -1980,7 +2014,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, output[j].swizzle_w = 7; output[j].burst_count = 1; output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_POS; - output[j].array_base = next_pos_base; + output[j].array_base = 60; output[j].op = CF_OP_EXPORT; j++; } diff --git a/src/gallium/drivers/r600/r600_shader.h b/src/gallium/drivers/r600/r600_shader.h index d31c65f4bc8..89602c7013f 100644 --- a/src/gallium/drivers/r600/r600_shader.h +++ b/src/gallium/drivers/r600/r600_shader.h @@ -62,6 +62,7 @@ struct r600_shader { /* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */ boolean vs_out_misc_write; boolean vs_out_point_size; + boolean vs_out_layer; boolean has_txq_cube_array_z_comp; boolean uses_tex_buffers; boolean gs_prim_id_input;