From 807c6931fe683fd844ceec1b023232181e6aae03 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 28 Dec 2010 16:10:20 +0000 Subject: xserver and mesa git update 28-12-2010 --- mesalib/src/mesa/state_tracker/st_draw.c | 777 +++++++++++++++++++++++++++++++ 1 file changed, 777 insertions(+) create mode 100644 mesalib/src/mesa/state_tracker/st_draw.c (limited to 'mesalib/src/mesa/state_tracker/st_draw.c') diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c new file mode 100644 index 000000000..163d2d36e --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_draw.c @@ -0,0 +1,777 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* + * This file implements the st_draw_vbo() function which is called from + * Mesa's VBO module. All point/line/triangle rendering is done through + * this function whether the user called glBegin/End, glDrawArrays, + * glDrawElements, glEvalMesh, or glCalList, etc. + * + * We basically convert the VBO's vertex attribute/array information into + * Gallium vertex state, bind the vertex buffer objects and call + * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays(). + * + * Authors: + * Keith Whitwell + */ + + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "program/prog_uniform.h" + +#include "vbo/vbo.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_bufferobjects.h" +#include "st_draw.h" +#include "st_program.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "util/u_prim.h" +#include "util/u_draw_quad.h" +#include "draw/draw_context.h" +#include "cso_cache/cso_context.h" + + +static GLuint double_types[4] = { + PIPE_FORMAT_R64_FLOAT, + PIPE_FORMAT_R64G64_FLOAT, + PIPE_FORMAT_R64G64B64_FLOAT, + PIPE_FORMAT_R64G64B64A64_FLOAT +}; + +static GLuint float_types[4] = { + PIPE_FORMAT_R32_FLOAT, + PIPE_FORMAT_R32G32_FLOAT, + PIPE_FORMAT_R32G32B32_FLOAT, + PIPE_FORMAT_R32G32B32A32_FLOAT +}; + +static GLuint half_float_types[4] = { + PIPE_FORMAT_R16_FLOAT, + PIPE_FORMAT_R16G16_FLOAT, + PIPE_FORMAT_R16G16B16_FLOAT, + PIPE_FORMAT_R16G16B16A16_FLOAT +}; + +static GLuint uint_types_norm[4] = { + PIPE_FORMAT_R32_UNORM, + PIPE_FORMAT_R32G32_UNORM, + PIPE_FORMAT_R32G32B32_UNORM, + PIPE_FORMAT_R32G32B32A32_UNORM +}; + +static GLuint uint_types_scale[4] = { + PIPE_FORMAT_R32_USCALED, + PIPE_FORMAT_R32G32_USCALED, + PIPE_FORMAT_R32G32B32_USCALED, + PIPE_FORMAT_R32G32B32A32_USCALED +}; + +static GLuint int_types_norm[4] = { + PIPE_FORMAT_R32_SNORM, + PIPE_FORMAT_R32G32_SNORM, + PIPE_FORMAT_R32G32B32_SNORM, + PIPE_FORMAT_R32G32B32A32_SNORM +}; + +static GLuint int_types_scale[4] = { + PIPE_FORMAT_R32_SSCALED, + PIPE_FORMAT_R32G32_SSCALED, + PIPE_FORMAT_R32G32B32_SSCALED, + PIPE_FORMAT_R32G32B32A32_SSCALED +}; + +static GLuint ushort_types_norm[4] = { + PIPE_FORMAT_R16_UNORM, + PIPE_FORMAT_R16G16_UNORM, + PIPE_FORMAT_R16G16B16_UNORM, + PIPE_FORMAT_R16G16B16A16_UNORM +}; + +static GLuint ushort_types_scale[4] = { + PIPE_FORMAT_R16_USCALED, + PIPE_FORMAT_R16G16_USCALED, + PIPE_FORMAT_R16G16B16_USCALED, + PIPE_FORMAT_R16G16B16A16_USCALED +}; + +static GLuint short_types_norm[4] = { + PIPE_FORMAT_R16_SNORM, + PIPE_FORMAT_R16G16_SNORM, + PIPE_FORMAT_R16G16B16_SNORM, + PIPE_FORMAT_R16G16B16A16_SNORM +}; + +static GLuint short_types_scale[4] = { + PIPE_FORMAT_R16_SSCALED, + PIPE_FORMAT_R16G16_SSCALED, + PIPE_FORMAT_R16G16B16_SSCALED, + PIPE_FORMAT_R16G16B16A16_SSCALED +}; + +static GLuint ubyte_types_norm[4] = { + PIPE_FORMAT_R8_UNORM, + PIPE_FORMAT_R8G8_UNORM, + PIPE_FORMAT_R8G8B8_UNORM, + PIPE_FORMAT_R8G8B8A8_UNORM +}; + +static GLuint ubyte_types_scale[4] = { + PIPE_FORMAT_R8_USCALED, + PIPE_FORMAT_R8G8_USCALED, + PIPE_FORMAT_R8G8B8_USCALED, + PIPE_FORMAT_R8G8B8A8_USCALED +}; + +static GLuint byte_types_norm[4] = { + PIPE_FORMAT_R8_SNORM, + PIPE_FORMAT_R8G8_SNORM, + PIPE_FORMAT_R8G8B8_SNORM, + PIPE_FORMAT_R8G8B8A8_SNORM +}; + +static GLuint byte_types_scale[4] = { + PIPE_FORMAT_R8_SSCALED, + PIPE_FORMAT_R8G8_SSCALED, + PIPE_FORMAT_R8G8B8_SSCALED, + PIPE_FORMAT_R8G8B8A8_SSCALED +}; + +static GLuint fixed_types[4] = { + PIPE_FORMAT_R32_FIXED, + PIPE_FORMAT_R32G32_FIXED, + PIPE_FORMAT_R32G32B32_FIXED, + PIPE_FORMAT_R32G32B32A32_FIXED +}; + + + +/** + * Return a PIPE_FORMAT_x for the given GL datatype and size. + */ +GLuint +st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, + GLboolean normalized) +{ + assert((type >= GL_BYTE && type <= GL_DOUBLE) || + type == GL_FIXED || type == GL_HALF_FLOAT); + assert(size >= 1); + assert(size <= 4); + assert(format == GL_RGBA || format == GL_BGRA); + + if (format == GL_BGRA) { + /* this is an odd-ball case */ + assert(type == GL_UNSIGNED_BYTE); + assert(normalized); + return PIPE_FORMAT_B8G8R8A8_UNORM; + } + + if (normalized) { + switch (type) { + case GL_DOUBLE: return double_types[size-1]; + case GL_FLOAT: return float_types[size-1]; + case GL_HALF_FLOAT: return half_float_types[size-1]; + case GL_INT: return int_types_norm[size-1]; + case GL_SHORT: return short_types_norm[size-1]; + case GL_BYTE: return byte_types_norm[size-1]; + case GL_UNSIGNED_INT: return uint_types_norm[size-1]; + case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1]; + case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1]; + case GL_FIXED: return fixed_types[size-1]; + default: assert(0); return 0; + } + } + else { + switch (type) { + case GL_DOUBLE: return double_types[size-1]; + case GL_FLOAT: return float_types[size-1]; + case GL_HALF_FLOAT: return half_float_types[size-1]; + case GL_INT: return int_types_scale[size-1]; + case GL_SHORT: return short_types_scale[size-1]; + case GL_BYTE: return byte_types_scale[size-1]; + case GL_UNSIGNED_INT: return uint_types_scale[size-1]; + case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1]; + case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1]; + case GL_FIXED: return fixed_types[size-1]; + default: assert(0); return 0; + } + } + return 0; /* silence compiler warning */ +} + + + + + +/** + * Examine the active arrays to determine if we have interleaved + * vertex arrays all living in one VBO, or all living in user space. + * \param userSpace returns whether the arrays are in user space. + */ +static GLboolean +is_interleaved_arrays(const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLboolean *userSpace) +{ + GLuint attr; + const struct gl_buffer_object *firstBufObj = NULL; + GLint firstStride = -1; + GLuint num_client_arrays = 0; + const GLubyte *client_addr = NULL; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj; + const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */ + + if (firstStride < 0) { + firstStride = stride; + } + else if (firstStride != stride) { + return GL_FALSE; + } + + if (!bufObj || !bufObj->Name) { + num_client_arrays++; + /* Try to detect if the client-space arrays are + * "close" to each other. + */ + if (!client_addr) { + client_addr = arrays[mesaAttr]->Ptr; + } + else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) { + /* arrays start too far apart */ + return GL_FALSE; + } + } + else if (!firstBufObj) { + firstBufObj = bufObj; + } + else if (bufObj != firstBufObj) { + return GL_FALSE; + } + } + + *userSpace = (num_client_arrays == vpv->num_inputs); + /* debug_printf("user space: %s (%d arrays, %d inputs)\n", + (int)*userSpace ? "Yes" : "No", num_client_arrays, vp->num_inputs); */ + + return GL_TRUE; +} + + +/** + * Compute the memory range occupied by the arrays. + */ +static void +get_arrays_bounds(const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + const GLubyte **low, const GLubyte **high) +{ + const GLubyte *low_addr = NULL; + const GLubyte *high_addr = NULL; + GLuint attr; + + /* debug_printf("get_arrays_bounds: Handling %u attrs\n", vpv->num_inputs); */ + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const GLint stride = arrays[mesaAttr]->StrideB; + const GLubyte *start = arrays[mesaAttr]->Ptr; + const unsigned sz = (arrays[mesaAttr]->Size * + _mesa_sizeof_type(arrays[mesaAttr]->Type)); + const GLubyte *end = start + (max_index * stride) + sz; + + /* debug_printf("attr %u: stride %d size %u start %p end %p\n", + attr, stride, sz, start, end); */ + + if (attr == 0) { + low_addr = start; + high_addr = end; + } + else { + low_addr = MIN2(low_addr, start); + high_addr = MAX2(high_addr, end); + } + } + + *low = low_addr; + *high = high_addr; +} + + +/** + * Set up for drawing interleaved arrays that all live in one VBO + * or all live in user space. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_interleaved_attribs(struct gl_context *ctx, + const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + GLboolean userSpace, + struct pipe_vertex_buffer *vbuffer, + struct pipe_vertex_element velements[]) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLuint attr; + const GLubyte *offset0 = NULL; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + struct st_buffer_object *stobj = st_buffer_object(bufobj); + GLsizei stride = arrays[mesaAttr]->StrideB; + + /*printf("stobj %u = %p\n", attr, (void*)stobj);*/ + + if (attr == 0) { + const GLubyte *low, *high; + + get_arrays_bounds(vp, vpv, arrays, max_index, &low, &high); + /* debug_printf("buffer range: %p %p range %d max index %u\n", + low, high, high - low, max_index); */ + + offset0 = low; + if (userSpace) { + vbuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) low, high - low, + PIPE_BIND_VERTEX_BUFFER); + vbuffer->buffer_offset = 0; + } + else { + vbuffer->buffer = NULL; + pipe_resource_reference(&vbuffer->buffer, stobj->buffer); + vbuffer->buffer_offset = pointer_to_offset(low); + } + vbuffer->stride = stride; /* in bytes */ + vbuffer->max_index = max_index; + } + + velements[attr].src_offset = + (unsigned) (arrays[mesaAttr]->Ptr - offset0); + velements[attr].instance_divisor = 0; + velements[attr].vertex_buffer_index = 0; + velements[attr].src_format = + st_pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + } +} + + +/** + * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each + * vertex attribute. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_non_interleaved_attribs(struct gl_context *ctx, + const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + GLboolean *userSpace, + struct pipe_vertex_buffer vbuffer[], + struct pipe_vertex_element velements[]) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLuint attr; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + GLsizei stride = arrays[mesaAttr]->StrideB; + + *userSpace = GL_FALSE; + + if (bufobj && bufobj->Name) { + /* Attribute data is in a VBO. + * Recall that for VBOs, the gl_client_array->Ptr field is + * really an offset from the start of the VBO, not a pointer. + */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + assert(stobj->buffer); + /*printf("stobj %u = %p\n", attr, (void*) stobj);*/ + + vbuffer[attr].buffer = NULL; + pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer); + vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr); + velements[attr].src_offset = 0; + } + else { + /* attribute data is in user-space memory, not a VBO */ + uint bytes; + /*printf("user-space array %d stride %d\n", attr, stride);*/ + + *userSpace = GL_TRUE; + + /* wrap user data */ + if (arrays[mesaAttr]->Ptr) { + /* user's vertex array */ + if (arrays[mesaAttr]->StrideB) { + bytes = arrays[mesaAttr]->StrideB * (max_index + 1); + } + else { + bytes = arrays[mesaAttr]->Size + * _mesa_sizeof_type(arrays[mesaAttr]->Type); + } + vbuffer[attr].buffer = + pipe_user_buffer_create(pipe->screen, + (void *) arrays[mesaAttr]->Ptr, bytes, + PIPE_BIND_VERTEX_BUFFER); + } + else { + /* no array, use ctx->Current.Attrib[] value */ + bytes = sizeof(ctx->Current.Attrib[0]); + vbuffer[attr].buffer = + pipe_user_buffer_create(pipe->screen, + (void *) ctx->Current.Attrib[mesaAttr], + bytes, + PIPE_BIND_VERTEX_BUFFER); + stride = 0; + } + + vbuffer[attr].buffer_offset = 0; + velements[attr].src_offset = 0; + } + + assert(velements[attr].src_offset <= 2048); /* 11-bit field */ + + /* common-case setup */ + vbuffer[attr].stride = stride; /* in bytes */ + vbuffer[attr].max_index = max_index; + velements[attr].instance_divisor = 0; + velements[attr].vertex_buffer_index = attr; + velements[attr].src_format + = st_pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + } +} + + +static void +setup_index_buffer(struct gl_context *ctx, + const struct _mesa_index_buffer *ib, + struct pipe_index_buffer *ibuffer) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + + memset(ibuffer, 0, sizeof(*ibuffer)); + if (ib) { + struct gl_buffer_object *bufobj = ib->obj; + + switch (ib->type) { + case GL_UNSIGNED_INT: + ibuffer->index_size = 4; + break; + case GL_UNSIGNED_SHORT: + ibuffer->index_size = 2; + break; + case GL_UNSIGNED_BYTE: + ibuffer->index_size = 1; + break; + default: + assert(0); + return; + } + + /* get/create the index buffer object */ + if (bufobj && bufobj->Name) { + /* elements/indexes are in a real VBO */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + pipe_resource_reference(&ibuffer->buffer, stobj->buffer); + ibuffer->offset = pointer_to_offset(ib->ptr); + } + else { + /* element/indicies are in user space memory */ + ibuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) ib->ptr, + ib->count * ibuffer->index_size, + PIPE_BIND_INDEX_BUFFER); + } + } +} + +/** + * Prior to drawing, check that any uniforms referenced by the + * current shader have been set. If a uniform has not been set, + * issue a warning. + */ +static void +check_uniforms(struct gl_context *ctx) +{ + struct gl_shader_program *shProg[3] = { + ctx->Shader.CurrentVertexProgram, + ctx->Shader.CurrentGeometryProgram, + ctx->Shader.CurrentFragmentProgram, + }; + unsigned j; + + for (j = 0; j < 3; j++) { + unsigned i; + + if (shProg[j] == NULL || !shProg[j]->LinkStatus) + continue; + + for (i = 0; i < shProg[j]->Uniforms->NumUniforms; i++) { + const struct gl_uniform *u = &shProg[j]->Uniforms->Uniforms[i]; + if (!u->Initialized) { + _mesa_warning(ctx, + "Using shader with uninitialized uniform: %s", + u->Name); + } + } + } +} + + +/** + * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to + * the corresponding Gallium type. + */ +static unsigned +translate_prim(const struct gl_context *ctx, unsigned prim) +{ + /* GL prims should match Gallium prims, spot-check a few */ + assert(GL_POINTS == PIPE_PRIM_POINTS); + assert(GL_QUADS == PIPE_PRIM_QUADS); + assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY); + + /* Avoid quadstrips if it's easy to do so: + * Note: it's imporant to do the correct trimming if we change the prim type! + * We do that wherever this function is called. + */ + if (prim == GL_QUAD_STRIP && + ctx->Light.ShadeModel != GL_FLAT && + ctx->Polygon.FrontMode == GL_FILL && + ctx->Polygon.BackMode == GL_FILL) + prim = GL_TRIANGLE_STRIP; + + return prim; +} + + + +/** + * This function gets plugged into the VBO module and is called when + * we have something to render. + * Basically, translate the information into the format expected by gallium. + */ +void +st_draw_vbo(struct gl_context *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + const struct st_vertex_program *vp; + const struct st_vp_variant *vpv; + struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS]; + GLuint attr; + struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; + unsigned num_vbuffers, num_velements; + struct pipe_index_buffer ibuffer; + GLboolean userSpace = GL_FALSE; + GLboolean vertDataEdgeFlags; + struct pipe_draw_info info; + unsigned i; + + /* Mesa core state should have been validated already */ + assert(ctx->NewState == 0x0); + + /* Gallium probably doesn't want this in some cases. */ + if (!index_bounds_valid) + if (!vbo_all_varyings_in_vbos(arrays)) + vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index); + + /* sanity check for pointer arithmetic below */ + assert(sizeof(arrays[0]->Ptr[0]) == 1); + + vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj && + arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name; + if (vertDataEdgeFlags != st->vertdata_edgeflags) { + st->vertdata_edgeflags = vertDataEdgeFlags; + st->dirty.st |= ST_NEW_EDGEFLAGS_DATA; + } + + st_validate_state(st); + + /* must get these after state validation! */ + vp = st->vp; + vpv = st->vp_variant; + +#if 0 + if (MESA_VERBOSE & VERBOSE_GLSL) { + check_uniforms(ctx); + } +#else + (void) check_uniforms; +#endif + + memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs); + /* + * Setup the vbuffer[] and velements[] arrays. + */ + if (is_interleaved_arrays(vp, vpv, arrays, &userSpace)) { + /*printf("Draw interleaved\n");*/ + setup_interleaved_attribs(ctx, vp, vpv, arrays, max_index, userSpace, + vbuffer, velements); + num_vbuffers = 1; + num_velements = vpv->num_inputs; + if (num_velements == 0) + num_vbuffers = 0; + } + else { + /*printf("Draw non-interleaved\n");*/ + setup_non_interleaved_attribs(ctx, vp, vpv, arrays, max_index, + &userSpace, vbuffer, velements); + num_vbuffers = vpv->num_inputs; + num_velements = vpv->num_inputs; + } + +#if 0 + { + GLuint i; + for (i = 0; i < num_vbuffers; i++) { + printf("buffers[%d].stride = %u\n", i, vbuffer[i].stride); + printf("buffers[%d].max_index = %u\n", i, vbuffer[i].max_index); + printf("buffers[%d].buffer_offset = %u\n", i, vbuffer[i].buffer_offset); + printf("buffers[%d].buffer = %p\n", i, (void*) vbuffer[i].buffer); + } + for (i = 0; i < num_velements; i++) { + printf("vlements[%d].vbuffer_index = %u\n", i, velements[i].vertex_buffer_index); + printf("vlements[%d].src_offset = %u\n", i, velements[i].src_offset); + printf("vlements[%d].format = %s\n", i, util_format_name(velements[i].src_format)); + } + } +#endif + + pipe->set_vertex_buffers(pipe, num_vbuffers, vbuffer); + cso_set_vertex_elements(st->cso_context, num_velements, velements); + + setup_index_buffer(ctx, ib, &ibuffer); + pipe->set_index_buffer(pipe, &ibuffer); + + util_draw_init_info(&info); + if (ib) { + info.indexed = TRUE; + if (min_index != ~0 && max_index != ~0) { + info.min_index = min_index; + info.max_index = max_index; + } + } + + info.primitive_restart = st->ctx->Array.PrimitiveRestart; + info.restart_index = st->ctx->Array.RestartIndex; + + /* do actual drawing */ + for (i = 0; i < nr_prims; i++) { + info.mode = translate_prim( ctx, prims[i].mode ); + info.start = prims[i].start; + info.count = prims[i].count; + info.instance_count = prims[i].num_instances; + info.index_bias = prims[i].basevertex; + if (!ib) { + info.min_index = info.start; + info.max_index = info.start + info.count - 1; + } + + if (u_trim_pipe_prim(info.mode, &info.count)) + pipe->draw_vbo(pipe, &info); + } + + pipe_resource_reference(&ibuffer.buffer, NULL); + + /* unreference buffers (frees wrapped user-space buffer objects) */ + for (attr = 0; attr < num_vbuffers; attr++) { + pipe_resource_reference(&vbuffer[attr].buffer, NULL); + assert(!vbuffer[attr].buffer); + } + + if (userSpace) + { + pipe->set_vertex_buffers(pipe, 0, NULL); + } +} + + +void st_init_draw( struct st_context *st ) +{ + struct gl_context *ctx = st->ctx; + + vbo_set_draw_func(ctx, st_draw_vbo); + +#if FEATURE_feedback || FEATURE_rastpos + st->draw = draw_create(st->pipe); /* for selection/feedback */ + + /* Disable draw options that might convert points/lines to tris, etc. + * as that would foul-up feedback/selection mode. + */ + draw_wide_line_threshold(st->draw, 1000.0f); + draw_wide_point_threshold(st->draw, 1000.0f); + draw_enable_line_stipple(st->draw, FALSE); + draw_enable_point_sprites(st->draw, FALSE); +#endif +} + + +void st_destroy_draw( struct st_context *st ) +{ +#if FEATURE_feedback || FEATURE_rastpos + draw_destroy(st->draw); +#endif +} + + -- cgit v1.2.3