X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fbrw_vs_surface_state.c;h=387a54bdb0b4fc346ca0a0887e7fa0b71377d361;hb=ed65e6ef49e17e9cae93a8f98e2968346de2bc6e;hp=b0b05445eb980292fb263391cdb0d5ed41fa7fb7;hpb=9032d2a13ecd019206a48767d9205c0aafa7cca2;p=mesa.git diff --git a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c index b0b05445eb9..387a54bdb0b 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c @@ -1,6 +1,6 @@ /* Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + Intel funded Tungsten Graphics to develop this 3D driver. Permission is hereby granted, free of charge, to any person obtaining @@ -26,182 +26,192 @@ **********************************************************************/ /* * Authors: - * Keith Whitwell + * Keith Whitwell */ #include "main/mtypes.h" -#include "main/texstore.h" #include "program/prog_parameter.h" +#include "main/shaderapi.h" #include "brw_context.h" #include "brw_state.h" +#include "intel_buffer_objects.h" -/* Creates a new VS constant buffer reflecting the current VS program's - * constants, if needed by the VS program. +/** + * Creates a temporary BO containing the pull constant data for the shader + * stage, and the SURFACE_STATE struct that points at it. * - * Otherwise, constants go through the CURBEs using the brw_constant_buffer - * state atom. + * Pull constants are GLSL uniforms (and other constant data) beyond what we + * could fit as push constants, or that have variable-index array access + * (which is easiest to support using pull constants, and avoids filling + * register space with mostly-unused data). + * + * Compare this path to brw_curbe.c for gen4/5 push constants, and + * gen6_vs_state.c for gen6+ push constants. */ -static void -prepare_vs_constants(struct brw_context *brw) +void +brw_upload_pull_constants(struct brw_context *brw, + GLbitfield64 brw_new_constbuf, + const struct gl_program *prog, + struct brw_stage_state *stage_state, + const struct brw_stage_prog_data *prog_data) { - struct gl_context *ctx = &brw->intel.ctx; - struct intel_context *intel = &brw->intel; - struct brw_vertex_program *vp = - (struct brw_vertex_program *) brw->vertex_program; - const struct gl_program_parameter_list *params = vp->program.Base.Parameters; - const int size = params->NumParameters * 4 * sizeof(GLfloat); - int i; + unsigned i; + uint32_t surf_index = prog_data->binding_table.pull_constants_start; - if (vp->program.IsNVProgram) - _mesa_load_tracked_matrices(ctx); + if (!prog_data->nr_pull_params) { + if (stage_state->surf_offset[surf_index]) { + stage_state->surf_offset[surf_index] = 0; + brw->ctx.NewDriverState |= brw_new_constbuf; + } + return; + } /* Updates the ParamaterValues[i] pointers for all parameters of the * basic type of PROGRAM_STATE_VAR. */ - _mesa_load_state_parameters(&brw->intel.ctx, vp->program.Base.Parameters); + _mesa_load_state_parameters(&brw->ctx, prog->Parameters); - /* BRW_NEW_VERTEX_PROGRAM */ - if (!vp->use_const_buffer) { - if (brw->vs.const_bo) { - drm_intel_bo_unreference(brw->vs.const_bo); - brw->vs.const_bo = NULL; - brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF; - } - return; - } + /* BRW_NEW_*_PROG_DATA | _NEW_PROGRAM_CONSTANTS */ + uint32_t size = prog_data->nr_pull_params * 4; + drm_intel_bo *const_bo = NULL; + uint32_t const_offset; + gl_constant_value *constants = intel_upload_space(brw, size, 64, + &const_bo, &const_offset); - /* _NEW_PROGRAM_CONSTANTS */ - drm_intel_bo_unreference(brw->vs.const_bo); - brw->vs.const_bo = drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer", - size, 64); - - drm_intel_gem_bo_map_gtt(brw->vs.const_bo); - for (i = 0; i < params->NumParameters; i++) { - memcpy(brw->vs.const_bo->virtual + i * 4 * sizeof(float), - params->ParameterValues[i], - 4 * sizeof(float)); + STATIC_ASSERT(sizeof(gl_constant_value) == sizeof(float)); + + for (i = 0; i < prog_data->nr_pull_params; i++) { + constants[i] = *prog_data->pull_param[i]; } if (0) { - for (i = 0; i < params->NumParameters; i++) { - float *row = (float *)brw->vs.const_bo->virtual + i * 4; - printf("vs const surface %3d: %4.3f %4.3f %4.3f %4.3f\n", - i, row[0], row[1], row[2], row[3]); + for (i = 0; i < ALIGN(prog_data->nr_pull_params, 4) / 4; i++) { + const gl_constant_value *row = &constants[i * 4]; + fprintf(stderr, "const surface %3d: %4.3f %4.3f %4.3f %4.3f\n", + i, row[0].f, row[1].f, row[2].f, row[3].f); } } - drm_intel_gem_bo_unmap_gtt(brw->vs.const_bo); - brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF; + brw_create_constant_surface(brw, const_bo, const_offset, size, + &stage_state->surf_offset[surf_index]); + drm_intel_bo_unreference(const_bo); + + brw->ctx.NewDriverState |= brw_new_constbuf; } -const struct brw_tracked_state brw_vs_constants = { - .dirty = { - .mesa = (_NEW_PROGRAM_CONSTANTS), - .brw = (BRW_NEW_VERTEX_PROGRAM), - .cache = 0 - }, - .prepare = prepare_vs_constants, -}; -/** - * Update the surface state for a VS constant buffer. +/* Creates a new VS constant buffer reflecting the current VS program's + * constants, if needed by the VS program. * - * Sets brw->vs.surf_bo[surf] and brw->vp->const_buffer. + * Otherwise, constants go through the CURBEs using the brw_constant_buffer + * state atom. */ static void -brw_update_vs_constant_surface( struct gl_context *ctx, - GLuint surf) +brw_upload_vs_pull_constants(struct brw_context *brw) { - struct brw_context *brw = brw_context(ctx); + struct brw_stage_state *stage_state = &brw->vs.base; + + /* BRW_NEW_VERTEX_PROGRAM */ struct brw_vertex_program *vp = (struct brw_vertex_program *) brw->vertex_program; - const struct gl_program_parameter_list *params = vp->program.Base.Parameters; - assert(surf == 0); + /* BRW_NEW_VS_PROG_DATA */ + const struct brw_stage_prog_data *prog_data = &brw->vs.prog_data->base.base; - /* If there's no constant buffer, then no surface BO is needed to point at - * it. - */ - if (brw->vs.const_bo == NULL) { - drm_intel_bo_unreference(brw->vs.surf_bo[surf]); - brw->vs.surf_bo[surf] = NULL; - return; - } - - brw_create_constant_surface(brw, brw->vs.const_bo, params->NumParameters, - &brw->vs.surf_bo[surf], - &brw->vs.surf_offset[surf]); + _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_VERTEX); + /* _NEW_PROGRAM_CONSTANTS */ + brw_upload_pull_constants(brw, BRW_NEW_VS_CONSTBUF, &vp->program.Base, + stage_state, prog_data); } +const struct brw_tracked_state brw_vs_pull_constants = { + .dirty = { + .mesa = _NEW_PROGRAM_CONSTANTS, + .brw = BRW_NEW_BATCH | + BRW_NEW_BLORP | + BRW_NEW_VERTEX_PROGRAM | + BRW_NEW_VS_PROG_DATA, + }, + .emit = brw_upload_vs_pull_constants, +}; static void -prepare_vs_surfaces(struct brw_context *brw) +brw_upload_vs_ubo_surfaces(struct brw_context *brw) { - int nr_surfaces = 0; + struct gl_context *ctx = &brw->ctx; + /* _NEW_PROGRAM */ + struct gl_shader_program *prog = + ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX]; - if (brw->vs.const_bo) { - brw_add_validated_bo(brw, brw->vs.const_bo); - nr_surfaces = 1; - } + if (!prog) + return; - if (brw->vs.nr_surfaces != nr_surfaces) { - brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES; - brw->vs.nr_surfaces = nr_surfaces; - } + /* BRW_NEW_VS_PROG_DATA */ + brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX], + &brw->vs.base, &brw->vs.prog_data->base.base); } -/** - * Vertex shader surfaces (constant buffer). - * - * This consumes the state updates for the constant buffer needing - * to be updated, and produces BRW_NEW_NR_VS_SURFACES for the VS unit and - * CACHE_NEW_SURF_BIND for the binding table upload. - */ -static void upload_vs_surfaces(struct brw_context *brw) +const struct brw_tracked_state brw_vs_ubo_surfaces = { + .dirty = { + .mesa = _NEW_PROGRAM, + .brw = BRW_NEW_BATCH | + BRW_NEW_BLORP | + BRW_NEW_UNIFORM_BUFFER | + BRW_NEW_VS_PROG_DATA, + }, + .emit = brw_upload_vs_ubo_surfaces, +}; + +static void +brw_upload_vs_abo_surfaces(struct brw_context *brw) { - struct gl_context *ctx = &brw->intel.ctx; - uint32_t *bind; - int i; - - /* BRW_NEW_NR_VS_SURFACES */ - if (brw->vs.nr_surfaces == 0) { - if (brw->vs.bind_bo) { - drm_intel_bo_unreference(brw->vs.bind_bo); - brw->vs.bind_bo = NULL; - brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE; - } - return; + struct gl_context *ctx = &brw->ctx; + /* _NEW_PROGRAM */ + struct gl_shader_program *prog = + ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX]; + + if (prog) { + /* BRW_NEW_VS_PROG_DATA */ + brw_upload_abo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX], + &brw->vs.base, &brw->vs.prog_data->base.base); } +} - brw_update_vs_constant_surface(ctx, SURF_INDEX_VERT_CONST_BUFFER); +const struct brw_tracked_state brw_vs_abo_surfaces = { + .dirty = { + .mesa = _NEW_PROGRAM, + .brw = BRW_NEW_ATOMIC_BUFFER | + BRW_NEW_BATCH | + BRW_NEW_BLORP | + BRW_NEW_VS_PROG_DATA, + }, + .emit = brw_upload_vs_abo_surfaces, +}; - /* Might want to calculate nr_surfaces first, to avoid taking up so much - * space for the binding table. (once we have vs samplers) - */ - bind = brw_state_batch(brw, sizeof(uint32_t) * BRW_VS_MAX_SURF, - 32, &brw->vs.bind_bo, &brw->vs.bind_bo_offset); - - for (i = 0; i < BRW_VS_MAX_SURF; i++) { - /* BRW_NEW_VS_CONSTBUF */ - if (brw->vs.surf_bo[i]) { - bind[i] = brw->vs.surf_offset[i]; - } else { - bind[i] = 0; - } - } +static void +brw_upload_vs_image_surfaces(struct brw_context *brw) +{ + struct gl_context *ctx = &brw->ctx; + /* BRW_NEW_VERTEX_PROGRAM */ + struct gl_shader_program *prog = + ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX]; - brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE; + if (prog) { + /* BRW_NEW_VS_PROG_DATA, BRW_NEW_IMAGE_UNITS, _NEW_TEXTURE */ + brw_upload_image_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX], + &brw->vs.base, &brw->vs.prog_data->base.base); + } } -const struct brw_tracked_state brw_vs_surfaces = { +const struct brw_tracked_state brw_vs_image_surfaces = { .dirty = { - .mesa = 0, - .brw = (BRW_NEW_VS_CONSTBUF | - BRW_NEW_NR_VS_SURFACES | - BRW_NEW_BATCH), - .cache = 0 + .mesa = _NEW_TEXTURE, + .brw = BRW_NEW_BATCH | + BRW_NEW_BLORP | + BRW_NEW_IMAGE_UNITS | + BRW_NEW_VERTEX_PROGRAM | + BRW_NEW_VS_PROG_DATA, }, - .prepare = prepare_vs_surfaces, - .emit = upload_vs_surfaces, + .emit = brw_upload_vs_image_surfaces, };