| /************************************************************************** |
| * |
| * Copyright 2007 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keithw@vmware.com> |
| * Brian Paul |
| */ |
| |
| |
| #include "program/prog_parameter.h" |
| #include "program/prog_print.h" |
| #include "main/shaderapi.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_inlines.h" |
| #include "util/u_upload_mgr.h" |
| #include "cso_cache/cso_context.h" |
| |
| #include "st_debug.h" |
| #include "st_context.h" |
| #include "st_atom.h" |
| #include "st_atom_constbuf.h" |
| #include "st_program.h" |
| #include "st_cb_bufferobjects.h" |
| |
| /** |
| * Pass the given program parameters to the graphics pipe as a |
| * constant buffer. |
| */ |
| void |
| st_upload_constants(struct st_context *st, struct gl_program *prog) |
| { |
| gl_shader_stage stage = prog->info.stage; |
| struct gl_program_parameter_list *params = prog->Parameters; |
| enum pipe_shader_type shader_type = pipe_shader_type_from_mesa(stage); |
| |
| assert(shader_type == PIPE_SHADER_VERTEX || |
| shader_type == PIPE_SHADER_FRAGMENT || |
| shader_type == PIPE_SHADER_GEOMETRY || |
| shader_type == PIPE_SHADER_TESS_CTRL || |
| shader_type == PIPE_SHADER_TESS_EVAL || |
| shader_type == PIPE_SHADER_COMPUTE); |
| |
| /* update the ATI constants before rendering */ |
| if (shader_type == PIPE_SHADER_FRAGMENT && st->fp->ati_fs) { |
| struct ati_fragment_shader *ati_fs = st->fp->ati_fs; |
| unsigned c; |
| |
| for (c = 0; c < MAX_NUM_FRAGMENT_CONSTANTS_ATI; c++) { |
| unsigned offset = params->ParameterValueOffset[c]; |
| if (ati_fs->LocalConstDef & (1 << c)) |
| memcpy(params->ParameterValues + offset, |
| ati_fs->Constants[c], sizeof(GLfloat) * 4); |
| else |
| memcpy(params->ParameterValues + offset, |
| st->ctx->ATIFragmentShader.GlobalConstants[c], |
| sizeof(GLfloat) * 4); |
| } |
| } |
| |
| /* Make all bindless samplers/images bound texture/image units resident in |
| * the context. |
| */ |
| st_make_bound_samplers_resident(st, prog); |
| st_make_bound_images_resident(st, prog); |
| |
| /* update constants */ |
| if (params && params->NumParameters) { |
| struct pipe_constant_buffer cb; |
| const uint paramBytes = params->NumParameterValues * sizeof(GLfloat); |
| |
| /* Update the constants which come from fixed-function state, such as |
| * transformation matrices, fog factors, etc. The rest of the values in |
| * the parameters list are explicitly set by the user with glUniform, |
| * glProgramParameter(), etc. |
| */ |
| if (params->StateFlags) |
| _mesa_load_state_parameters(st->ctx, params); |
| |
| _mesa_shader_write_subroutine_indices(st->ctx, stage); |
| |
| cb.buffer = NULL; |
| cb.user_buffer = params->ParameterValues; |
| cb.buffer_offset = 0; |
| cb.buffer_size = paramBytes; |
| |
| if (ST_DEBUG & DEBUG_CONSTANTS) { |
| debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", |
| __func__, shader_type, params->NumParameters, |
| params->StateFlags); |
| _mesa_print_parameter_list(params); |
| } |
| |
| cso_set_constant_buffer(st->cso_context, shader_type, 0, &cb); |
| pipe_resource_reference(&cb.buffer, NULL); |
| |
| st->state.constants[shader_type].ptr = params->ParameterValues; |
| st->state.constants[shader_type].size = paramBytes; |
| } |
| else if (st->state.constants[shader_type].ptr) { |
| /* Unbind. */ |
| st->state.constants[shader_type].ptr = NULL; |
| st->state.constants[shader_type].size = 0; |
| cso_set_constant_buffer(st->cso_context, shader_type, 0, NULL); |
| } |
| } |
| |
| |
| /** |
| * Vertex shader: |
| */ |
| void |
| st_update_vs_constants(struct st_context *st) |
| { |
| st_upload_constants(st, &st->vp->Base); |
| } |
| |
| /** |
| * Fragment shader: |
| */ |
| void |
| st_update_fs_constants(struct st_context *st) |
| { |
| st_upload_constants(st, &st->fp->Base); |
| } |
| |
| |
| /* Geometry shader: |
| */ |
| void |
| st_update_gs_constants(struct st_context *st) |
| { |
| struct st_program *gp = st->gp; |
| |
| if (gp) |
| st_upload_constants(st, &gp->Base); |
| } |
| |
| /* Tessellation control shader: |
| */ |
| void |
| st_update_tcs_constants(struct st_context *st) |
| { |
| struct st_program *tcp = st->tcp; |
| |
| if (tcp) |
| st_upload_constants(st, &tcp->Base); |
| } |
| |
| /* Tessellation evaluation shader: |
| */ |
| void |
| st_update_tes_constants(struct st_context *st) |
| { |
| struct st_program *tep = st->tep; |
| |
| if (tep) |
| st_upload_constants(st, &tep->Base); |
| } |
| |
| /* Compute shader: |
| */ |
| void |
| st_update_cs_constants(struct st_context *st) |
| { |
| struct st_program *cp = st->cp; |
| |
| if (cp) |
| st_upload_constants(st, &cp->Base); |
| } |
| |
| static void |
| st_bind_ubos(struct st_context *st, struct gl_program *prog, |
| enum pipe_shader_type shader_type) |
| { |
| unsigned i; |
| struct pipe_constant_buffer cb = { 0 }; |
| |
| if (!prog) |
| return; |
| |
| for (i = 0; i < prog->sh.NumUniformBlocks; i++) { |
| struct gl_buffer_binding *binding; |
| struct st_buffer_object *st_obj; |
| |
| binding = |
| &st->ctx->UniformBufferBindings[prog->sh.UniformBlocks[i]->Binding]; |
| st_obj = st_buffer_object(binding->BufferObject); |
| |
| cb.buffer = st_obj ? st_obj->buffer : NULL; |
| |
| if (cb.buffer) { |
| cb.buffer_offset = binding->Offset; |
| cb.buffer_size = cb.buffer->width0 - binding->Offset; |
| |
| /* AutomaticSize is FALSE if the buffer was set with BindBufferRange. |
| * Take the minimum just to be sure. |
| */ |
| if (!binding->AutomaticSize) |
| cb.buffer_size = MIN2(cb.buffer_size, (unsigned) binding->Size); |
| } |
| else { |
| cb.buffer_offset = 0; |
| cb.buffer_size = 0; |
| } |
| |
| cso_set_constant_buffer(st->cso_context, shader_type, 1 + i, &cb); |
| } |
| } |
| |
| void |
| st_bind_vs_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_VERTEX); |
| } |
| |
| void |
| st_bind_fs_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_FRAGMENT); |
| } |
| |
| void |
| st_bind_gs_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_GEOMETRY); |
| } |
| |
| void |
| st_bind_tcs_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_TESS_CTRL); |
| } |
| |
| void |
| st_bind_tes_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_EVAL]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_TESS_EVAL); |
| } |
| |
| void |
| st_bind_cs_ubos(struct st_context *st) |
| { |
| struct gl_program *prog = |
| st->ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE]; |
| |
| st_bind_ubos(st, prog, PIPE_SHADER_COMPUTE); |
| } |