| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| #undef NDEBUG |
| |
| #include "main/glheader.h" |
| #include "main/bufferobj.h" |
| #include "main/context.h" |
| #include "main/enums.h" |
| #include "main/macros.h" |
| |
| #include "brw_draw.h" |
| #include "brw_defines.h" |
| #include "brw_context.h" |
| #include "brw_state.h" |
| |
| #include "intel_batchbuffer.h" |
| #include "intel_buffer_objects.h" |
| |
| static GLuint double_types[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R64_FLOAT, |
| BRW_SURFACEFORMAT_R64G64_FLOAT, |
| BRW_SURFACEFORMAT_R64G64B64_FLOAT, |
| BRW_SURFACEFORMAT_R64G64B64A64_FLOAT |
| }; |
| |
| static GLuint float_types[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_FLOAT, |
| BRW_SURFACEFORMAT_R32G32_FLOAT, |
| BRW_SURFACEFORMAT_R32G32B32_FLOAT, |
| BRW_SURFACEFORMAT_R32G32B32A32_FLOAT |
| }; |
| |
| static GLuint half_float_types[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_FLOAT, |
| BRW_SURFACEFORMAT_R16G16_FLOAT, |
| BRW_SURFACEFORMAT_R16G16B16A16_FLOAT, |
| BRW_SURFACEFORMAT_R16G16B16A16_FLOAT |
| }; |
| |
| static GLuint uint_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_UINT, |
| BRW_SURFACEFORMAT_R32G32_UINT, |
| BRW_SURFACEFORMAT_R32G32B32_UINT, |
| BRW_SURFACEFORMAT_R32G32B32A32_UINT |
| }; |
| |
| static GLuint uint_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_UNORM, |
| BRW_SURFACEFORMAT_R32G32_UNORM, |
| BRW_SURFACEFORMAT_R32G32B32_UNORM, |
| BRW_SURFACEFORMAT_R32G32B32A32_UNORM |
| }; |
| |
| static GLuint uint_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_USCALED, |
| BRW_SURFACEFORMAT_R32G32_USCALED, |
| BRW_SURFACEFORMAT_R32G32B32_USCALED, |
| BRW_SURFACEFORMAT_R32G32B32A32_USCALED |
| }; |
| |
| static GLuint int_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_SINT, |
| BRW_SURFACEFORMAT_R32G32_SINT, |
| BRW_SURFACEFORMAT_R32G32B32_SINT, |
| BRW_SURFACEFORMAT_R32G32B32A32_SINT |
| }; |
| |
| static GLuint int_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_SNORM, |
| BRW_SURFACEFORMAT_R32G32_SNORM, |
| BRW_SURFACEFORMAT_R32G32B32_SNORM, |
| BRW_SURFACEFORMAT_R32G32B32A32_SNORM |
| }; |
| |
| static GLuint int_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R32_SSCALED, |
| BRW_SURFACEFORMAT_R32G32_SSCALED, |
| BRW_SURFACEFORMAT_R32G32B32_SSCALED, |
| BRW_SURFACEFORMAT_R32G32B32A32_SSCALED |
| }; |
| |
| static GLuint ushort_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_UINT, |
| BRW_SURFACEFORMAT_R16G16_UINT, |
| BRW_SURFACEFORMAT_R16G16B16A16_UINT, |
| BRW_SURFACEFORMAT_R16G16B16A16_UINT |
| }; |
| |
| static GLuint ushort_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_UNORM, |
| BRW_SURFACEFORMAT_R16G16_UNORM, |
| BRW_SURFACEFORMAT_R16G16B16_UNORM, |
| BRW_SURFACEFORMAT_R16G16B16A16_UNORM |
| }; |
| |
| static GLuint ushort_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_USCALED, |
| BRW_SURFACEFORMAT_R16G16_USCALED, |
| BRW_SURFACEFORMAT_R16G16B16_USCALED, |
| BRW_SURFACEFORMAT_R16G16B16A16_USCALED |
| }; |
| |
| static GLuint short_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_SINT, |
| BRW_SURFACEFORMAT_R16G16_SINT, |
| BRW_SURFACEFORMAT_R16G16B16A16_SINT, |
| BRW_SURFACEFORMAT_R16G16B16A16_SINT |
| }; |
| |
| static GLuint short_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_SNORM, |
| BRW_SURFACEFORMAT_R16G16_SNORM, |
| BRW_SURFACEFORMAT_R16G16B16_SNORM, |
| BRW_SURFACEFORMAT_R16G16B16A16_SNORM |
| }; |
| |
| static GLuint short_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R16_SSCALED, |
| BRW_SURFACEFORMAT_R16G16_SSCALED, |
| BRW_SURFACEFORMAT_R16G16B16_SSCALED, |
| BRW_SURFACEFORMAT_R16G16B16A16_SSCALED |
| }; |
| |
| static GLuint ubyte_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_UINT, |
| BRW_SURFACEFORMAT_R8G8_UINT, |
| BRW_SURFACEFORMAT_R8G8B8A8_UINT, |
| BRW_SURFACEFORMAT_R8G8B8A8_UINT |
| }; |
| |
| static GLuint ubyte_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_UNORM, |
| BRW_SURFACEFORMAT_R8G8_UNORM, |
| BRW_SURFACEFORMAT_R8G8B8_UNORM, |
| BRW_SURFACEFORMAT_R8G8B8A8_UNORM |
| }; |
| |
| static GLuint ubyte_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_USCALED, |
| BRW_SURFACEFORMAT_R8G8_USCALED, |
| BRW_SURFACEFORMAT_R8G8B8_USCALED, |
| BRW_SURFACEFORMAT_R8G8B8A8_USCALED |
| }; |
| |
| static GLuint byte_types_direct[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_SINT, |
| BRW_SURFACEFORMAT_R8G8_SINT, |
| BRW_SURFACEFORMAT_R8G8B8A8_SINT, |
| BRW_SURFACEFORMAT_R8G8B8A8_SINT |
| }; |
| |
| static GLuint byte_types_norm[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_SNORM, |
| BRW_SURFACEFORMAT_R8G8_SNORM, |
| BRW_SURFACEFORMAT_R8G8B8_SNORM, |
| BRW_SURFACEFORMAT_R8G8B8A8_SNORM |
| }; |
| |
| static GLuint byte_types_scale[5] = { |
| 0, |
| BRW_SURFACEFORMAT_R8_SSCALED, |
| BRW_SURFACEFORMAT_R8G8_SSCALED, |
| BRW_SURFACEFORMAT_R8G8B8_SSCALED, |
| BRW_SURFACEFORMAT_R8G8B8A8_SSCALED |
| }; |
| |
| |
| /** |
| * Given vertex array type/size/format/normalized info, return |
| * the appopriate hardware surface type. |
| * Format will be GL_RGBA or possibly GL_BGRA for GLubyte[4] color arrays. |
| */ |
| static GLuint get_surface_type( GLenum type, GLuint size, |
| GLenum format, bool normalized, bool integer ) |
| { |
| if (unlikely(INTEL_DEBUG & DEBUG_VERTS)) |
| printf("type %s size %d normalized %d\n", |
| _mesa_lookup_enum_by_nr(type), size, normalized); |
| |
| if (integer) { |
| assert(format == GL_RGBA); /* sanity check */ |
| switch (type) { |
| case GL_INT: return int_types_direct[size]; |
| case GL_SHORT: return short_types_direct[size]; |
| case GL_BYTE: return byte_types_direct[size]; |
| case GL_UNSIGNED_INT: return uint_types_direct[size]; |
| case GL_UNSIGNED_SHORT: return ushort_types_direct[size]; |
| case GL_UNSIGNED_BYTE: return ubyte_types_direct[size]; |
| default: assert(0); return 0; |
| } |
| } else if (normalized) { |
| switch (type) { |
| case GL_DOUBLE: return double_types[size]; |
| case GL_FLOAT: return float_types[size]; |
| case GL_HALF_FLOAT: return half_float_types[size]; |
| case GL_INT: return int_types_norm[size]; |
| case GL_SHORT: return short_types_norm[size]; |
| case GL_BYTE: return byte_types_norm[size]; |
| case GL_UNSIGNED_INT: return uint_types_norm[size]; |
| case GL_UNSIGNED_SHORT: return ushort_types_norm[size]; |
| case GL_UNSIGNED_BYTE: |
| if (format == GL_BGRA) { |
| /* See GL_EXT_vertex_array_bgra */ |
| assert(size == 4); |
| return BRW_SURFACEFORMAT_B8G8R8A8_UNORM; |
| } |
| else { |
| return ubyte_types_norm[size]; |
| } |
| default: assert(0); return 0; |
| } |
| } |
| else { |
| assert(format == GL_RGBA); /* sanity check */ |
| switch (type) { |
| case GL_DOUBLE: return double_types[size]; |
| case GL_FLOAT: return float_types[size]; |
| case GL_HALF_FLOAT: return half_float_types[size]; |
| case GL_INT: return int_types_scale[size]; |
| case GL_SHORT: return short_types_scale[size]; |
| case GL_BYTE: return byte_types_scale[size]; |
| case GL_UNSIGNED_INT: return uint_types_scale[size]; |
| case GL_UNSIGNED_SHORT: return ushort_types_scale[size]; |
| case GL_UNSIGNED_BYTE: return ubyte_types_scale[size]; |
| /* This produces GL_FIXED inputs as values between INT32_MIN and |
| * INT32_MAX, which will be scaled down by 1/65536 by the VS. |
| */ |
| case GL_FIXED: return int_types_scale[size]; |
| default: assert(0); return 0; |
| } |
| } |
| } |
| |
| |
| static GLuint get_size( GLenum type ) |
| { |
| switch (type) { |
| case GL_DOUBLE: return sizeof(GLdouble); |
| case GL_FLOAT: return sizeof(GLfloat); |
| case GL_HALF_FLOAT: return sizeof(GLhalfARB); |
| case GL_INT: return sizeof(GLint); |
| case GL_SHORT: return sizeof(GLshort); |
| case GL_BYTE: return sizeof(GLbyte); |
| case GL_UNSIGNED_INT: return sizeof(GLuint); |
| case GL_UNSIGNED_SHORT: return sizeof(GLushort); |
| case GL_UNSIGNED_BYTE: return sizeof(GLubyte); |
| case GL_FIXED: return sizeof(GLuint); |
| default: assert(0); return 0; |
| } |
| } |
| |
| static GLuint get_index_type(GLenum type) |
| { |
| switch (type) { |
| case GL_UNSIGNED_BYTE: return BRW_INDEX_BYTE; |
| case GL_UNSIGNED_SHORT: return BRW_INDEX_WORD; |
| case GL_UNSIGNED_INT: return BRW_INDEX_DWORD; |
| default: assert(0); return 0; |
| } |
| } |
| |
| static void |
| copy_array_to_vbo_array(struct brw_context *brw, |
| struct brw_vertex_element *element, |
| int min, int max, |
| struct brw_vertex_buffer *buffer, |
| GLuint dst_stride) |
| { |
| if (min == -1) { |
| /* If we don't have computed min/max bounds, then this must be a use of |
| * the current attribute, which has a 0 stride. Otherwise, we wouldn't |
| * know what data to upload. |
| */ |
| assert(element->glarray->StrideB == 0); |
| |
| intel_upload_data(&brw->intel, element->glarray->Ptr, |
| element->element_size, |
| element->element_size, |
| &buffer->bo, &buffer->offset); |
| |
| buffer->stride = 0; |
| return; |
| } |
| |
| int src_stride = element->glarray->StrideB; |
| const unsigned char *src = element->glarray->Ptr + min * src_stride; |
| int count = max - min + 1; |
| GLuint size = count * dst_stride; |
| |
| if (dst_stride == src_stride) { |
| intel_upload_data(&brw->intel, src, size, dst_stride, |
| &buffer->bo, &buffer->offset); |
| } else { |
| char * const map = intel_upload_map(&brw->intel, size, dst_stride); |
| char *dst = map; |
| |
| while (count--) { |
| memcpy(dst, src, dst_stride); |
| src += src_stride; |
| dst += dst_stride; |
| } |
| intel_upload_unmap(&brw->intel, map, size, dst_stride, |
| &buffer->bo, &buffer->offset); |
| } |
| buffer->stride = dst_stride; |
| } |
| |
| static void brw_prepare_vertices(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->intel.ctx; |
| struct intel_context *intel = intel_context(ctx); |
| /* CACHE_NEW_VS_PROG */ |
| GLbitfield64 vs_inputs = brw->vs.prog_data->inputs_read; |
| const unsigned char *ptr = NULL; |
| GLuint interleaved = 0; |
| unsigned int min_index = brw->vb.min_index; |
| unsigned int max_index = brw->vb.max_index; |
| int delta, i, j; |
| |
| struct brw_vertex_element *upload[VERT_ATTRIB_MAX]; |
| GLuint nr_uploads = 0; |
| |
| /* _NEW_POLYGON |
| * |
| * On gen6+, edge flags don't end up in the VUE (either in or out of the |
| * VS). Instead, they're uploaded as the last vertex element, and the data |
| * is passed sideband through the fixed function units. So, we need to |
| * prepare the vertex buffer for it, but it's not present in inputs_read. |
| */ |
| if (intel->gen >= 6 && (ctx->Polygon.FrontMode != GL_FILL || |
| ctx->Polygon.BackMode != GL_FILL)) { |
| vs_inputs |= VERT_BIT_EDGEFLAG; |
| } |
| |
| /* First build an array of pointers to ve's in vb.inputs_read |
| */ |
| if (0) |
| printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); |
| |
| /* Accumulate the list of enabled arrays. */ |
| brw->vb.nr_enabled = 0; |
| while (vs_inputs) { |
| GLuint i = ffsll(vs_inputs) - 1; |
| struct brw_vertex_element *input = &brw->vb.inputs[i]; |
| |
| vs_inputs &= ~BITFIELD64_BIT(i); |
| if (input->glarray->Size && get_size(input->glarray->Type)) |
| brw->vb.enabled[brw->vb.nr_enabled++] = input; |
| } |
| |
| if (brw->vb.nr_enabled == 0) |
| return; |
| |
| if (brw->vb.nr_buffers) |
| goto prepare; |
| |
| for (i = j = 0; i < brw->vb.nr_enabled; i++) { |
| struct brw_vertex_element *input = brw->vb.enabled[i]; |
| const struct gl_client_array *glarray = input->glarray; |
| int type_size = get_size(glarray->Type); |
| |
| input->element_size = type_size * glarray->Size; |
| |
| if (_mesa_is_bufferobj(glarray->BufferObj)) { |
| struct intel_buffer_object *intel_buffer = |
| intel_buffer_object(glarray->BufferObj); |
| int k; |
| |
| for (k = 0; k < i; k++) { |
| const struct gl_client_array *other = brw->vb.enabled[k]->glarray; |
| if (glarray->BufferObj == other->BufferObj && |
| glarray->StrideB == other->StrideB && |
| glarray->InstanceDivisor == other->InstanceDivisor && |
| (uintptr_t)(glarray->Ptr - other->Ptr) < glarray->StrideB) |
| { |
| input->buffer = brw->vb.enabled[k]->buffer; |
| input->offset = glarray->Ptr - other->Ptr; |
| break; |
| } |
| } |
| if (k == i) { |
| struct brw_vertex_buffer *buffer = &brw->vb.buffers[j]; |
| |
| /* Named buffer object: Just reference its contents directly. */ |
| buffer->bo = intel_bufferobj_source(intel, |
| intel_buffer, type_size, |
| &buffer->offset); |
| drm_intel_bo_reference(buffer->bo); |
| buffer->offset += (uintptr_t)glarray->Ptr; |
| buffer->stride = glarray->StrideB; |
| buffer->step_rate = glarray->InstanceDivisor; |
| |
| input->buffer = j++; |
| input->offset = 0; |
| } |
| |
| /* This is a common place to reach if the user mistakenly supplies |
| * a pointer in place of a VBO offset. If we just let it go through, |
| * we may end up dereferencing a pointer beyond the bounds of the |
| * GTT. We would hope that the VBO's max_index would save us, but |
| * Mesa appears to hand us min/max values not clipped to the |
| * array object's _MaxElement, and _MaxElement frequently appears |
| * to be wrong anyway. |
| * |
| * The VBO spec allows application termination in this case, and it's |
| * probably a service to the poor programmer to do so rather than |
| * trying to just not render. |
| */ |
| assert(input->offset < brw->vb.buffers[input->buffer].bo->size); |
| } else { |
| /* Queue the buffer object up to be uploaded in the next pass, |
| * when we've decided if we're doing interleaved or not. |
| */ |
| if (nr_uploads == 0) { |
| interleaved = glarray->StrideB; |
| ptr = glarray->Ptr; |
| } |
| else if (interleaved != glarray->StrideB || |
| (uintptr_t)(glarray->Ptr - ptr) > interleaved) |
| { |
| interleaved = 0; |
| } |
| else if ((uintptr_t)(glarray->Ptr - ptr) & (type_size -1)) |
| { |
| /* enforce natural alignment (for doubles) */ |
| interleaved = 0; |
| } |
| |
| upload[nr_uploads++] = input; |
| } |
| } |
| |
| /* If we need to upload all the arrays, then we can trim those arrays to |
| * only the used elements [min_index, max_index] so long as we adjust all |
| * the values used in the 3DPRIMITIVE i.e. by setting the vertex bias. |
| */ |
| brw->vb.start_vertex_bias = 0; |
| delta = min_index; |
| if (nr_uploads == brw->vb.nr_enabled) { |
| brw->vb.start_vertex_bias = -delta; |
| delta = 0; |
| } |
| if (delta && !brw->intel.intelScreen->relaxed_relocations) |
| min_index = delta = 0; |
| |
| /* Handle any arrays to be uploaded. */ |
| if (nr_uploads > 1) { |
| if (interleaved) { |
| struct brw_vertex_buffer *buffer = &brw->vb.buffers[j]; |
| /* All uploads are interleaved, so upload the arrays together as |
| * interleaved. First, upload the contents and set up upload[0]. |
| */ |
| copy_array_to_vbo_array(brw, upload[0], min_index, max_index, |
| buffer, interleaved); |
| buffer->offset -= delta * interleaved; |
| |
| for (i = 0; i < nr_uploads; i++) { |
| /* Then, just point upload[i] at upload[0]'s buffer. */ |
| upload[i]->offset = |
| ((const unsigned char *)upload[i]->glarray->Ptr - ptr); |
| upload[i]->buffer = j; |
| } |
| j++; |
| |
| nr_uploads = 0; |
| } |
| } |
| /* Upload non-interleaved arrays */ |
| for (i = 0; i < nr_uploads; i++) { |
| struct brw_vertex_buffer *buffer = &brw->vb.buffers[j]; |
| if (upload[i]->glarray->InstanceDivisor == 0) { |
| copy_array_to_vbo_array(brw, upload[i], min_index, max_index, |
| buffer, upload[i]->element_size); |
| } else { |
| /* This is an instanced attribute, since its InstanceDivisor |
| * is not zero. Therefore, its data will be stepped after the |
| * instanced draw has been run InstanceDivisor times. |
| */ |
| uint32_t instanced_attr_max_index = |
| (brw->num_instances - 1) / upload[i]->glarray->InstanceDivisor; |
| copy_array_to_vbo_array(brw, upload[i], 0, instanced_attr_max_index, |
| buffer, upload[i]->element_size); |
| } |
| buffer->offset -= delta * buffer->stride; |
| buffer->step_rate = upload[i]->glarray->InstanceDivisor; |
| upload[i]->buffer = j++; |
| upload[i]->offset = 0; |
| } |
| |
| /* can we simply extend the current vb? */ |
| if (j == brw->vb.nr_current_buffers) { |
| int delta = 0; |
| for (i = 0; i < j; i++) { |
| int d; |
| |
| if (brw->vb.current_buffers[i].handle != brw->vb.buffers[i].bo->handle || |
| brw->vb.current_buffers[i].stride != brw->vb.buffers[i].stride || |
| brw->vb.current_buffers[i].step_rate != brw->vb.buffers[i].step_rate) |
| break; |
| |
| d = brw->vb.buffers[i].offset - brw->vb.current_buffers[i].offset; |
| if (d < 0) |
| break; |
| if (i == 0) |
| delta = d / brw->vb.current_buffers[i].stride; |
| if (delta * brw->vb.current_buffers[i].stride != d) |
| break; |
| } |
| |
| if (i == j) { |
| brw->vb.start_vertex_bias += delta; |
| while (--j >= 0) |
| drm_intel_bo_unreference(brw->vb.buffers[j].bo); |
| j = 0; |
| } |
| } |
| |
| brw->vb.nr_buffers = j; |
| |
| prepare: |
| brw_prepare_query_begin(brw); |
| } |
| |
| static void brw_emit_vertices(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->intel.ctx; |
| struct intel_context *intel = intel_context(ctx); |
| GLuint i, nr_elements; |
| |
| brw_prepare_vertices(brw); |
| |
| 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); |
| OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | 1); |
| if (intel->gen >= 6) { |
| OUT_BATCH((0 << GEN6_VE0_INDEX_SHIFT) | |
| GEN6_VE0_VALID | |
| (BRW_SURFACEFORMAT_R32G32B32A32_FLOAT << BRW_VE0_FORMAT_SHIFT) | |
| (0 << BRW_VE0_SRC_OFFSET_SHIFT)); |
| } else { |
| 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)); |
| CACHED_BATCH(); |
| return; |
| } |
| |
| /* Now emit VB and VEP state packets. |
| */ |
| |
| if (brw->vb.nr_buffers) { |
| if (intel->gen >= 6) { |
| assert(brw->vb.nr_buffers <= 33); |
| } else { |
| assert(brw->vb.nr_buffers <= 17); |
| } |
| |
| BEGIN_BATCH(1 + 4*brw->vb.nr_buffers); |
| OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (4*brw->vb.nr_buffers - 1)); |
| for (i = 0; i < brw->vb.nr_buffers; i++) { |
| struct brw_vertex_buffer *buffer = &brw->vb.buffers[i]; |
| uint32_t dw0; |
| |
| if (intel->gen >= 6) { |
| dw0 = buffer->step_rate |
| ? GEN6_VB0_ACCESS_INSTANCEDATA |
| : GEN6_VB0_ACCESS_VERTEXDATA; |
| dw0 |= i << GEN6_VB0_INDEX_SHIFT; |
| } else { |
| dw0 = buffer->step_rate |
| ? BRW_VB0_ACCESS_INSTANCEDATA |
| : BRW_VB0_ACCESS_VERTEXDATA; |
| dw0 |= i << BRW_VB0_INDEX_SHIFT; |
| } |
| |
| if (intel->gen >= 7) |
| dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE; |
| |
| OUT_BATCH(dw0 | (buffer->stride << BRW_VB0_PITCH_SHIFT)); |
| OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->offset); |
| if (intel->gen >= 5) { |
| OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->bo->size - 1); |
| } else |
| OUT_BATCH(0); |
| OUT_BATCH(buffer->step_rate); |
| |
| brw->vb.current_buffers[i].handle = buffer->bo->handle; |
| brw->vb.current_buffers[i].offset = buffer->offset; |
| brw->vb.current_buffers[i].stride = buffer->stride; |
| brw->vb.current_buffers[i].step_rate = buffer->step_rate; |
| } |
| brw->vb.nr_current_buffers = i; |
| ADVANCE_BATCH(); |
| } |
| |
| nr_elements = brw->vb.nr_enabled + brw->vs.prog_data->uses_vertexid; |
| |
| /* The hardware allows one more VERTEX_ELEMENTS than VERTEX_BUFFERS, presumably |
| * for VertexID/InstanceID. |
| */ |
| if (intel->gen >= 6) { |
| assert(nr_elements <= 34); |
| } else { |
| assert(nr_elements <= 18); |
| } |
| |
| struct brw_vertex_element *gen6_edgeflag_input = NULL; |
| |
| BEGIN_BATCH(1 + nr_elements * 2); |
| OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | (2 * nr_elements - 1)); |
| 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, |
| input->glarray->Integer); |
| 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; |
| |
| /* The gen4 driver expects edgeflag to come in as a float, and passes |
| * that float on to the tests in the clipper. Mesa's current vertex |
| * attribute value for EdgeFlag is stored as a float, which works out. |
| * glEdgeFlagPointer, on the other hand, gives us an unnormalized |
| * integer ubyte. Just rewrite that to convert to a float. |
| */ |
| if (input->attrib == VERT_ATTRIB_EDGEFLAG) { |
| /* Gen6+ passes edgeflag as sideband along with the vertex, instead |
| * of in the VUE. We have to upload it sideband as the last vertex |
| * element according to the B-Spec. |
| */ |
| if (intel->gen >= 6) { |
| gen6_edgeflag_input = input; |
| continue; |
| } |
| |
| if (format == BRW_SURFACEFORMAT_R8_UINT) |
| format = BRW_SURFACEFORMAT_R8_SSCALED; |
| } |
| |
| 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 = input->glarray->Integer ? BRW_VE1_COMPONENT_STORE_1_INT |
| : BRW_VE1_COMPONENT_STORE_1_FLT; |
| break; |
| } |
| |
| if (intel->gen >= 6) { |
| OUT_BATCH((input->buffer << GEN6_VE0_INDEX_SHIFT) | |
| GEN6_VE0_VALID | |
| (format << BRW_VE0_FORMAT_SHIFT) | |
| (input->offset << BRW_VE0_SRC_OFFSET_SHIFT)); |
| } else { |
| OUT_BATCH((input->buffer << BRW_VE0_INDEX_SHIFT) | |
| BRW_VE0_VALID | |
| (format << BRW_VE0_FORMAT_SHIFT) | |
| (input->offset << BRW_VE0_SRC_OFFSET_SHIFT)); |
| } |
| |
| if (intel->gen >= 5) |
| 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)); |
| } |
| |
| if (intel->gen >= 6 && gen6_edgeflag_input) { |
| uint32_t format = get_surface_type(gen6_edgeflag_input->glarray->Type, |
| gen6_edgeflag_input->glarray->Size, |
| gen6_edgeflag_input->glarray->Format, |
| gen6_edgeflag_input->glarray->Normalized, |
| gen6_edgeflag_input->glarray->Integer); |
| |
| OUT_BATCH((gen6_edgeflag_input->buffer << GEN6_VE0_INDEX_SHIFT) | |
| GEN6_VE0_VALID | |
| GEN6_VE0_EDGE_FLAG_ENABLE | |
| (format << BRW_VE0_FORMAT_SHIFT) | |
| (gen6_edgeflag_input->offset << BRW_VE0_SRC_OFFSET_SHIFT)); |
| OUT_BATCH((BRW_VE1_COMPONENT_STORE_SRC << 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_0 << BRW_VE1_COMPONENT_3_SHIFT)); |
| } |
| |
| if (brw->vs.prog_data->uses_vertexid) { |
| uint32_t dw0 = 0, dw1 = 0; |
| |
| dw1 = ((BRW_VE1_COMPONENT_STORE_VID << BRW_VE1_COMPONENT_0_SHIFT) | |
| (BRW_VE1_COMPONENT_STORE_IID << BRW_VE1_COMPONENT_1_SHIFT) | |
| (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) | |
| (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT)); |
| |
| if (intel->gen >= 6) { |
| dw0 |= GEN6_VE0_VALID; |
| } else { |
| dw0 |= BRW_VE0_VALID; |
| dw1 |= (i * 4) << BRW_VE1_DST_OFFSET_SHIFT; |
| } |
| |
| /* Note that for gl_VertexID, gl_InstanceID, and gl_PrimitiveID values, |
| * the format is ignored and the value is always int. |
| */ |
| |
| OUT_BATCH(dw0); |
| OUT_BATCH(dw1); |
| } |
| |
| CACHED_BATCH(); |
| } |
| |
| const struct brw_tracked_state brw_vertices = { |
| .dirty = { |
| .mesa = _NEW_POLYGON, |
| .brw = BRW_NEW_BATCH | BRW_NEW_VERTICES, |
| .cache = CACHE_NEW_VS_PROG, |
| }, |
| .emit = brw_emit_vertices, |
| }; |
| |
| static void brw_upload_indices(struct brw_context *brw) |
| { |
| struct gl_context *ctx = &brw->intel.ctx; |
| struct intel_context *intel = &brw->intel; |
| const struct _mesa_index_buffer *index_buffer = brw->ib.ib; |
| GLuint ib_size; |
| drm_intel_bo *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)) { |
| |
| /* Get new bufferobj, offset: |
| */ |
| intel_upload_data(&brw->intel, index_buffer->ptr, ib_size, ib_type_size, |
| &bo, &offset); |
| brw->ib.start_vertex_offset = offset / ib_type_size; |
| } else { |
| offset = (GLuint) (unsigned long) index_buffer->ptr; |
| |
| /* 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.MapBufferRange(ctx, |
| offset, |
| ib_size, |
| GL_MAP_WRITE_BIT, |
| bufferobj); |
| |
| intel_upload_data(&brw->intel, map, ib_size, ib_type_size, |
| &bo, &offset); |
| brw->ib.start_vertex_offset = offset / ib_type_size; |
| |
| ctx->Driver.UnmapBuffer(ctx, bufferobj); |
| } else { |
| /* 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; |
| |
| bo = intel_bufferobj_source(intel, |
| intel_buffer_object(bufferobj), |
| ib_type_size, |
| &offset); |
| drm_intel_bo_reference(bo); |
| |
| brw->ib.start_vertex_offset += offset / ib_type_size; |
| } |
| } |
| |
| if (brw->ib.bo != bo) { |
| drm_intel_bo_unreference(brw->ib.bo); |
| brw->ib.bo = bo; |
| |
| brw->state.dirty.brw |= BRW_NEW_INDEX_BUFFER; |
| } else { |
| drm_intel_bo_unreference(bo); |
| } |
| |
| if (index_buffer->type != brw->ib.type) { |
| brw->ib.type = index_buffer->type; |
| brw->state.dirty.brw |= BRW_NEW_INDEX_BUFFER; |
| } |
| } |
| |
| const struct brw_tracked_state brw_indices = { |
| .dirty = { |
| .mesa = 0, |
| .brw = BRW_NEW_INDICES, |
| .cache = 0, |
| }, |
| .emit = brw_upload_indices, |
| }; |
| |
| static void brw_emit_index_buffer(struct brw_context *brw) |
| { |
| struct intel_context *intel = &brw->intel; |
| const struct _mesa_index_buffer *index_buffer = brw->ib.ib; |
| GLuint cut_index_setting; |
| |
| if (index_buffer == NULL) |
| return; |
| |
| if (brw->prim_restart.enable_cut_index && !intel->is_haswell) { |
| cut_index_setting = BRW_CUT_INDEX_ENABLE; |
| } else { |
| cut_index_setting = 0; |
| } |
| |
| BEGIN_BATCH(3); |
| OUT_BATCH(CMD_INDEX_BUFFER << 16 | |
| cut_index_setting | |
| get_index_type(index_buffer->type) << 8 | |
| 1); |
| OUT_RELOC(brw->ib.bo, |
| I915_GEM_DOMAIN_VERTEX, 0, |
| 0); |
| OUT_RELOC(brw->ib.bo, |
| I915_GEM_DOMAIN_VERTEX, 0, |
| brw->ib.bo->size - 1); |
| 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, |
| }; |
