/************************************************************************** * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * 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 TUNGSTEN GRAPHICS 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. * **************************************************************************/ #include "pipe/p_context.h" #include "util/u_upload_mgr.h" #include "brw_draw.h" #include "brw_defines.h" #include "brw_context.h" #include "brw_state.h" #include "brw_fallback.h" #include "brw_batchbuffer.h" unsigned brw_translate_surface_format( unsigned id ) { switch (id) { case PIPE_FORMAT_R64_FLOAT: return BRW_SURFACEFORMAT_R64_FLOAT; case PIPE_FORMAT_R64G64_FLOAT: return BRW_SURFACEFORMAT_R64G64_FLOAT; case PIPE_FORMAT_R64G64B64_FLOAT: return BRW_SURFACEFORMAT_R64G64B64_FLOAT; case PIPE_FORMAT_R64G64B64A64_FLOAT: return BRW_SURFACEFORMAT_R64G64B64A64_FLOAT; case PIPE_FORMAT_R32_FLOAT: return BRW_SURFACEFORMAT_R32_FLOAT; case PIPE_FORMAT_R32G32_FLOAT: return BRW_SURFACEFORMAT_R32G32_FLOAT; case PIPE_FORMAT_R32G32B32_FLOAT: return BRW_SURFACEFORMAT_R32G32B32_FLOAT; case PIPE_FORMAT_R32G32B32A32_FLOAT: return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; case PIPE_FORMAT_R32_UNORM: return BRW_SURFACEFORMAT_R32_UNORM; case PIPE_FORMAT_R32G32_UNORM: return BRW_SURFACEFORMAT_R32G32_UNORM; case PIPE_FORMAT_R32G32B32_UNORM: return BRW_SURFACEFORMAT_R32G32B32_UNORM; case PIPE_FORMAT_R32G32B32A32_UNORM: return BRW_SURFACEFORMAT_R32G32B32A32_UNORM; case PIPE_FORMAT_R32_USCALED: return BRW_SURFACEFORMAT_R32_USCALED; case PIPE_FORMAT_R32G32_USCALED: return BRW_SURFACEFORMAT_R32G32_USCALED; case PIPE_FORMAT_R32G32B32_USCALED: return BRW_SURFACEFORMAT_R32G32B32_USCALED; case PIPE_FORMAT_R32G32B32A32_USCALED: return BRW_SURFACEFORMAT_R32G32B32A32_USCALED; case PIPE_FORMAT_R32_SNORM: return BRW_SURFACEFORMAT_R32_SNORM; case PIPE_FORMAT_R32G32_SNORM: return BRW_SURFACEFORMAT_R32G32_SNORM; case PIPE_FORMAT_R32G32B32_SNORM: return BRW_SURFACEFORMAT_R32G32B32_SNORM; case PIPE_FORMAT_R32G32B32A32_SNORM: return BRW_SURFACEFORMAT_R32G32B32A32_SNORM; case PIPE_FORMAT_R32_SSCALED: return BRW_SURFACEFORMAT_R32_SSCALED; case PIPE_FORMAT_R32G32_SSCALED: return BRW_SURFACEFORMAT_R32G32_SSCALED; case PIPE_FORMAT_R32G32B32_SSCALED: return BRW_SURFACEFORMAT_R32G32B32_SSCALED; case PIPE_FORMAT_R32G32B32A32_SSCALED: return BRW_SURFACEFORMAT_R32G32B32A32_SSCALED; case PIPE_FORMAT_R16_UNORM: return BRW_SURFACEFORMAT_R16_UNORM; case PIPE_FORMAT_R16G16_UNORM: return BRW_SURFACEFORMAT_R16G16_UNORM; case PIPE_FORMAT_R16G16B16_UNORM: return BRW_SURFACEFORMAT_R16G16B16_UNORM; case PIPE_FORMAT_R16G16B16A16_UNORM: return BRW_SURFACEFORMAT_R16G16B16A16_UNORM; case PIPE_FORMAT_R16_USCALED: return BRW_SURFACEFORMAT_R16_USCALED; case PIPE_FORMAT_R16G16_USCALED: return BRW_SURFACEFORMAT_R16G16_USCALED; case PIPE_FORMAT_R16G16B16_USCALED: return BRW_SURFACEFORMAT_R16G16B16_USCALED; case PIPE_FORMAT_R16G16B16A16_USCALED: return BRW_SURFACEFORMAT_R16G16B16A16_USCALED; case PIPE_FORMAT_R16_SNORM: return BRW_SURFACEFORMAT_R16_SNORM; case PIPE_FORMAT_R16G16_SNORM: return BRW_SURFACEFORMAT_R16G16_SNORM; case PIPE_FORMAT_R16G16B16_SNORM: return BRW_SURFACEFORMAT_R16G16B16_SNORM; case PIPE_FORMAT_R16G16B16A16_SNORM: return BRW_SURFACEFORMAT_R16G16B16A16_SNORM; case PIPE_FORMAT_R16_SSCALED: return BRW_SURFACEFORMAT_R16_SSCALED; case PIPE_FORMAT_R16G16_SSCALED: return BRW_SURFACEFORMAT_R16G16_SSCALED; case PIPE_FORMAT_R16G16B16_SSCALED: return BRW_SURFACEFORMAT_R16G16B16_SSCALED; case PIPE_FORMAT_R16G16B16A16_SSCALED: return BRW_SURFACEFORMAT_R16G16B16A16_SSCALED; case PIPE_FORMAT_R8_UNORM: return BRW_SURFACEFORMAT_R8_UNORM; case PIPE_FORMAT_R8G8_UNORM: return BRW_SURFACEFORMAT_R8G8_UNORM; case PIPE_FORMAT_R8G8B8_UNORM: return BRW_SURFACEFORMAT_R8G8B8_UNORM; case PIPE_FORMAT_R8G8B8A8_UNORM: return BRW_SURFACEFORMAT_R8G8B8A8_UNORM; case PIPE_FORMAT_R8_USCALED: return BRW_SURFACEFORMAT_R8_USCALED; case PIPE_FORMAT_R8G8_USCALED: return BRW_SURFACEFORMAT_R8G8_USCALED; case PIPE_FORMAT_R8G8B8_USCALED: return BRW_SURFACEFORMAT_R8G8B8_USCALED; case PIPE_FORMAT_R8G8B8A8_USCALED: return BRW_SURFACEFORMAT_R8G8B8A8_USCALED; case PIPE_FORMAT_R8_SNORM: return BRW_SURFACEFORMAT_R8_SNORM; case PIPE_FORMAT_R8G8_SNORM: return BRW_SURFACEFORMAT_R8G8_SNORM; case PIPE_FORMAT_R8G8B8_SNORM: return BRW_SURFACEFORMAT_R8G8B8_SNORM; case PIPE_FORMAT_R8G8B8A8_SNORM: return BRW_SURFACEFORMAT_R8G8B8A8_SNORM; case PIPE_FORMAT_R8_SSCALED: return BRW_SURFACEFORMAT_R8_SSCALED; case PIPE_FORMAT_R8G8_SSCALED: return BRW_SURFACEFORMAT_R8G8_SSCALED; case PIPE_FORMAT_R8G8B8_SSCALED: return BRW_SURFACEFORMAT_R8G8B8_SSCALED; case PIPE_FORMAT_R8G8B8A8_SSCALED: return BRW_SURFACEFORMAT_R8G8B8A8_SSCALED; default: assert(0); return 0; } } static unsigned get_index_type(int type) { switch (type) { case 1: return BRW_INDEX_BYTE; case 2: return BRW_INDEX_WORD; case 4: return BRW_INDEX_DWORD; default: assert(0); return 0; } } static boolean brw_prepare_vertices(struct brw_context *brw) { GLbitfield vs_inputs = brw->vs.prog_data->inputs_read; GLuint i; const unsigned char *ptr = NULL; GLuint interleave = 0; unsigned int min_index = brw->vb.min_index; unsigned int max_index = brw->vb.max_index; struct brw_vertex_element *upload[VERT_ATTRIB_MAX]; GLuint nr_uploads = 0; /* First build an array of pointers to ve's in vb.inputs_read */ if (0) _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); for (i = 0; i < brw->vb.num_vertex_buffer; i++) { struct brw_vertex_buffer *vb = brw->vb.vertex_buffer[i]; unsigned size = (vb->stride == 0 ? vb->size : vb->stride * (max_index + 1 - min_index)); if (brw_is_user_buffer(vb)) { u_upload_buffer( brw->upload_vertex, min_index * vb->stride, size, &offset, &buffer ); } else { offset = 0; buffer = vb->buffer; } /* Set up post-upload info about this vertex buffer: */ input->offset = (unsigned long)offset; input->stride = vb->stride; input->count = count; brw->sws->bo_unreference(input->bo); input->bo = intel_bufferobj_buffer(intel, intel_buffer, INTEL_READ); brw->sws->bo_reference(input->bo); assert(input->offset < input->bo->size); assert(input->offset + size <= input->bo->size); } brw_prepare_query_begin(brw); for (i = 0; i < brw->vb.nr_enabled; i++) { struct brw_vertex_element *input = brw->vb.enabled[i]; brw_add_validated_bo(brw, input->bo); } } static void brw_emit_vertices(struct brw_context *brw) { GLuint i; brw_emit_query_begin(brw); /* If the VS doesn't read any inputs (calculating vertex position from * a state variable for some reason, for example), emit a single pad * VERTEX_ELEMENT struct and bail. * * The stale VB state stays in place, but they don't do anything unless * a VE loads from them. */ if (brw->vb.nr_enabled == 0) { BEGIN_BATCH(3, IGNORE_CLIPRECTS); OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | 1); OUT_BATCH((0 << BRW_VE0_INDEX_SHIFT) | BRW_VE0_VALID | (BRW_SURFACEFORMAT_R32G32B32A32_FLOAT << BRW_VE0_FORMAT_SHIFT) | (0 << BRW_VE0_SRC_OFFSET_SHIFT)); OUT_BATCH((BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_0_SHIFT) | (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT) | (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) | (BRW_VE1_COMPONENT_STORE_1_FLT << BRW_VE1_COMPONENT_3_SHIFT)); ADVANCE_BATCH(); return; } /* Now emit VB and VEP state packets. * * This still defines a hardware VB for each input, even if they * are interleaved or from the same VBO. TBD if this makes a * performance difference. */ BEGIN_BATCH(1 + brw->vb.nr_enabled * 4, IGNORE_CLIPRECTS); OUT_BATCH((CMD_VERTEX_BUFFER << 16) | ((1 + brw->vb.nr_enabled * 4) - 2)); for (i = 0; i < brw->vb.nr_enabled; i++) { struct brw_vertex_element *input = brw->vb.enabled[i]; OUT_BATCH((i << BRW_VB0_INDEX_SHIFT) | BRW_VB0_ACCESS_VERTEXDATA | (input->stride << BRW_VB0_PITCH_SHIFT)); OUT_RELOC(input->bo, I915_GEM_DOMAIN_VERTEX, 0, input->offset); if (BRW_IS_IGDNG(brw)) { if (input->stride) { OUT_RELOC(input->bo, I915_GEM_DOMAIN_VERTEX, 0, input->offset + input->stride * input->count - 1); } else { assert(input->count == 1); OUT_RELOC(input->bo, I915_GEM_DOMAIN_VERTEX, 0, input->offset + input->element_size - 1); } } else OUT_BATCH(input->stride ? input->count : 0); OUT_BATCH(0); /* Instance data step rate */ } ADVANCE_BATCH(); BEGIN_BATCH(1 + brw->vb.nr_enabled * 2, IGNORE_CLIPRECTS); OUT_BATCH((CMD_VERTEX_ELEMENT << 16) | ((1 + brw->vb.nr_enabled * 2) - 2)); for (i = 0; i < brw->vb.nr_enabled; i++) { struct brw_vertex_element *input = brw->vb.enabled[i]; uint32_t format = get_surface_type(input->glarray->Type, input->glarray->Size, input->glarray->Format, input->glarray->Normalized); uint32_t comp0 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp1 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp2 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp3 = BRW_VE1_COMPONENT_STORE_SRC; switch (input->glarray->Size) { case 0: comp0 = BRW_VE1_COMPONENT_STORE_0; case 1: comp1 = BRW_VE1_COMPONENT_STORE_0; case 2: comp2 = BRW_VE1_COMPONENT_STORE_0; case 3: comp3 = BRW_VE1_COMPONENT_STORE_1_FLT; break; } OUT_BATCH((i << BRW_VE0_INDEX_SHIFT) | BRW_VE0_VALID | (format << BRW_VE0_FORMAT_SHIFT) | (0 << BRW_VE0_SRC_OFFSET_SHIFT)); if (BRW_IS_IGDNG(brw)) OUT_BATCH((comp0 << BRW_VE1_COMPONENT_0_SHIFT) | (comp1 << BRW_VE1_COMPONENT_1_SHIFT) | (comp2 << BRW_VE1_COMPONENT_2_SHIFT) | (comp3 << BRW_VE1_COMPONENT_3_SHIFT)); else OUT_BATCH((comp0 << BRW_VE1_COMPONENT_0_SHIFT) | (comp1 << BRW_VE1_COMPONENT_1_SHIFT) | (comp2 << BRW_VE1_COMPONENT_2_SHIFT) | (comp3 << BRW_VE1_COMPONENT_3_SHIFT) | ((i * 4) << BRW_VE1_DST_OFFSET_SHIFT)); } ADVANCE_BATCH(); } const struct brw_tracked_state brw_vertices = { .dirty = { .mesa = 0, .brw = BRW_NEW_BATCH | BRW_NEW_VERTICES, .cache = 0, }, .prepare = brw_prepare_vertices, .emit = brw_emit_vertices, }; static void brw_prepare_indices(struct brw_context *brw) { const struct _mesa_index_buffer *index_buffer = brw->ib.ib; GLuint ib_size; struct brw_winsys_buffer *bo = NULL; struct gl_buffer_object *bufferobj; GLuint offset; GLuint ib_type_size; if (index_buffer == NULL) return; ib_type_size = get_size(index_buffer->type); ib_size = ib_type_size * index_buffer->count; bufferobj = index_buffer->obj;; /* Turn into a proper VBO: */ if (!_mesa_is_bufferobj(bufferobj)) { brw->ib.start_vertex_offset = 0; /* Get new bufferobj, offset: */ get_space(brw, ib_size, &bo, &offset); /* Straight upload */ brw_bo_subdata(bo, offset, ib_size, index_buffer->ptr); } else { offset = (GLuint) (unsigned long) index_buffer->ptr; brw->ib.start_vertex_offset = 0; /* If the index buffer isn't aligned to its element size, we have to * rebase it into a temporary. */ if ((get_size(index_buffer->type) - 1) & offset) { GLubyte *map = ctx->Driver.MapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, GL_DYNAMIC_DRAW_ARB, bufferobj); map += offset; get_space(brw, ib_size, &bo, &offset); dri_bo_subdata(bo, offset, ib_size, map); ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, bufferobj); } else { bo = intel_bufferobj_buffer(intel, intel_buffer_object(bufferobj), INTEL_READ); brw->sws->bo_reference(bo); /* Use CMD_3D_PRIM's start_vertex_offset to avoid re-uploading * the index buffer state when we're just moving the start index * of our drawing. */ brw->ib.start_vertex_offset = offset / ib_type_size; offset = 0; ib_size = bo->size; } } if (brw->ib.bo != bo || brw->ib.offset != offset || brw->ib.size != ib_size) { drm_intel_bo_unreference(brw->ib.bo); brw->ib.bo = bo; brw->ib.offset = offset; brw->ib.size = ib_size; brw->state.dirty.brw |= BRW_NEW_INDEX_BUFFER; } else { drm_intel_bo_unreference(bo); } brw_add_validated_bo(brw, brw->ib.bo); } const struct brw_tracked_state brw_indices = { .dirty = { .mesa = 0, .brw = BRW_NEW_INDICES, .cache = 0, }, .prepare = brw_prepare_indices, }; static void brw_emit_index_buffer(struct brw_context *brw) { const struct _mesa_index_buffer *index_buffer = brw->ib.ib; if (index_buffer == NULL) return; /* Emit the indexbuffer packet: */ { struct brw_indexbuffer ib; memset(&ib, 0, sizeof(ib)); ib.header.bits.opcode = CMD_INDEX_BUFFER; ib.header.bits.length = sizeof(ib)/4 - 2; ib.header.bits.index_format = get_index_type(index_buffer->type); ib.header.bits.cut_index_enable = 0; BEGIN_BATCH(4, IGNORE_CLIPRECTS); OUT_BATCH( ib.header.dword ); OUT_RELOC(brw->ib.bo, I915_GEM_DOMAIN_VERTEX, 0, brw->ib.offset); OUT_RELOC(brw->ib.bo, I915_GEM_DOMAIN_VERTEX, 0, brw->ib.offset + brw->ib.size - 1); OUT_BATCH( 0 ); ADVANCE_BATCH(); } } const struct brw_tracked_state brw_index_buffer = { .dirty = { .mesa = 0, .brw = BRW_NEW_BATCH | BRW_NEW_INDEX_BUFFER, .cache = 0, }, .emit = brw_emit_index_buffer, };