/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * 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
* 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
+ * 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.
- *
+ *
**************************************************************************/
/*
* 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_vbo().
- *
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "main/image.h"
#include "main/bufferobj.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
+#include "main/varray.h"
+
+#include "compiler/glsl/ir_uniform.h"
#include "vbo/vbo.h"
#include "st_context.h"
#include "st_atom.h"
+#include "st_cb_bitmap.h"
#include "st_cb_bufferobjects.h"
#include "st_cb_xformfb.h"
+#include "st_debug.h"
#include "st_draw.h"
#include "st_program.h"
#include "util/u_format.h"
#include "util/u_prim.h"
#include "util/u_draw_quad.h"
+#include "util/u_upload_mgr.h"
#include "draw/draw_context.h"
#include "cso_cache/cso_context.h"
-#include "../glsl/ir_uniform.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.
- */
-enum pipe_format
-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 ||
- type == GL_INT_2_10_10_10_REV ||
- type == GL_UNSIGNED_INT_2_10_10_10_REV);
- assert(size >= 1);
- assert(size <= 4);
- assert(format == GL_RGBA || format == GL_BGRA);
-
- if (type == GL_INT_2_10_10_10_REV ||
- type == GL_UNSIGNED_INT_2_10_10_10_REV) {
- assert(size == 4);
-
- if (format == GL_BGRA) {
- if (type == GL_INT_2_10_10_10_REV) {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_SNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_SSCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_UNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_USCALED;
- }
- } else {
- if (type == GL_INT_2_10_10_10_REV) {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_SNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_SSCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_UNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_USCALED;
- }
- }
- }
-
- 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 PIPE_FORMAT_NONE; /* silence compiler warning */
-}
-
/**
* This is very similar to vbo_all_varyings_in_vbos() but we are
all_varyings_in_vbos(const struct gl_client_array *arrays[])
{
GLuint i;
-
+
for (i = 0; i < VERT_ATTRIB_MAX; i++)
if (arrays[i]->StrideB &&
!arrays[i]->InstanceDivisor &&
/**
- * Examine the active arrays to determine if we have interleaved
- * vertex arrays all living in one VBO, or all living in user space.
+ * Basically, translate Mesa's index buffer information into
+ * a pipe_index_buffer object.
+ * \return TRUE or FALSE for success/failure
*/
-static GLboolean
-is_interleaved_arrays(const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays)
+static boolean
+setup_index_buffer(struct st_context *st,
+ const struct _mesa_index_buffer *ib,
+ struct pipe_index_buffer *ibuffer)
{
- GLuint attr;
- const struct gl_buffer_object *firstBufObj = NULL;
- GLint firstStride = -1;
- const GLubyte *firstPtr = NULL;
- GLboolean userSpaceBuffer = GL_FALSE;
+ struct gl_buffer_object *bufobj = ib->obj;
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_client_array *array = arrays[mesaAttr];
- const struct gl_buffer_object *bufObj = array->BufferObj;
- const GLsizei stride = array->StrideB; /* in bytes */
-
- if (attr == 0) {
- /* save info about the first array */
- firstStride = stride;
- firstPtr = array->Ptr;
- firstBufObj = bufObj;
- userSpaceBuffer = !bufObj || !bufObj->Name;
- }
- else {
- /* check if other arrays interleave with the first, in same buffer */
- if (stride != firstStride)
- return GL_FALSE; /* strides don't match */
+ ibuffer->index_size = vbo_sizeof_ib_type(ib->type);
- if (bufObj != firstBufObj)
- return GL_FALSE; /* arrays in different VBOs */
-
- if (abs(array->Ptr - firstPtr) > firstStride)
- return GL_FALSE; /* arrays start too far apart */
-
- if ((!_mesa_is_bufferobj(bufObj)) != userSpaceBuffer)
- return GL_FALSE; /* mix of VBO and user-space arrays */
- }
+ /* get/create the index buffer object */
+ if (_mesa_is_bufferobj(bufobj)) {
+ /* indices are in a real VBO */
+ ibuffer->buffer = st_buffer_object(bufobj)->buffer;
+ ibuffer->offset = pointer_to_offset(ib->ptr);
}
-
- return GL_TRUE;
-}
-
-
-/**
- * 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
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-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,
- struct pipe_vertex_buffer *vbuffer,
- struct pipe_vertex_element velements[],
- unsigned max_index,
- unsigned num_instances)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- GLuint attr;
- const GLubyte *low_addr = NULL;
- GLboolean usingVBO; /* all arrays in a VBO? */
- struct gl_buffer_object *bufobj;
- GLuint user_buffer_size = 0;
- GLuint vertex_size = 0; /* bytes per vertex, in bytes */
- GLsizei stride;
-
- /* Find the lowest address of the arrays we're drawing,
- * Init bufobj and stride.
- */
- if (vpv->num_inputs) {
- const GLuint mesaAttr0 = vp->index_to_input[0];
- const struct gl_client_array *array = arrays[mesaAttr0];
-
- /* Since we're doing interleaved arrays, we know there'll be at most
- * one buffer object and the stride will be the same for all arrays.
- * Grab them now.
- */
- bufobj = array->BufferObj;
- stride = array->StrideB;
-
- low_addr = arrays[vp->index_to_input[0]]->Ptr;
-
- for (attr = 1; attr < vpv->num_inputs; attr++) {
- const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
- low_addr = MIN2(low_addr, start);
+ else if (st->indexbuf_uploader) {
+ /* upload indexes from user memory into a real buffer */
+ u_upload_data(st->indexbuf_uploader, 0,
+ ib->count * ibuffer->index_size, 4, ib->ptr,
+ &ibuffer->offset, &ibuffer->buffer);
+ if (!ibuffer->buffer) {
+ /* out of memory */
+ return FALSE;
}
+ u_upload_unmap(st->indexbuf_uploader);
}
else {
- /* not sure we'll ever have zero inputs, but play it safe */
- bufobj = NULL;
- stride = 0;
- low_addr = 0;
+ /* indices are in user space memory */
+ ibuffer->user_buffer = ib->ptr;
}
- /* are the arrays in user space? */
- usingVBO = _mesa_is_bufferobj(bufobj);
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_client_array *array = arrays[mesaAttr];
- unsigned src_offset = (unsigned) (array->Ptr - low_addr);
- GLuint element_size = array->_ElementSize;
-
- assert(element_size == array->Size * _mesa_sizeof_type(array->Type));
-
- velements[attr].src_offset = src_offset;
- velements[attr].instance_divisor = array->InstanceDivisor;
- velements[attr].vertex_buffer_index = 0;
- velements[attr].src_format = st_pipe_vertex_format(array->Type,
- array->Size,
- array->Format,
- array->Normalized);
- assert(velements[attr].src_format);
-
- if (!usingVBO) {
- /* how many bytes referenced by this attribute array? */
- uint divisor = array->InstanceDivisor;
- uint last_index = divisor ? num_instances / divisor : max_index;
- uint bytes = src_offset + stride * last_index + element_size;
-
- user_buffer_size = MAX2(user_buffer_size, bytes);
-
- /* update vertex size */
- vertex_size = MAX2(vertex_size, src_offset + element_size);
- }
- }
-
- /*
- * Return the vbuffer info and setup user-space attrib info, if needed.
- */
- if (vpv->num_inputs == 0) {
- /* just defensive coding here */
- vbuffer->buffer = NULL;
- vbuffer->buffer_offset = 0;
- vbuffer->stride = 0;
- st->num_user_attribs = 0;
- }
- else if (usingVBO) {
- /* all interleaved arrays in a VBO */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
-
- if (!stobj || !stobj->buffer) {
- /* probably out of memory (or zero-sized buffer) */
- return GL_FALSE;
- }
-
- vbuffer->buffer = NULL;
- pipe_resource_reference(&vbuffer->buffer, stobj->buffer);
- vbuffer->buffer_offset = pointer_to_offset(low_addr);
- vbuffer->stride = stride;
- st->num_user_attribs = 0;
- }
- else {
- /* all interleaved arrays in user memory */
- vbuffer->buffer = pipe_user_buffer_create(pipe->screen,
- (void*) low_addr,
- user_buffer_size,
- PIPE_BIND_VERTEX_BUFFER);
- vbuffer->buffer_offset = 0;
- vbuffer->stride = stride;
-
- /* Track user vertex buffers. */
- pipe_resource_reference(&st->user_attrib[0].buffer, vbuffer->buffer);
- st->user_attrib[0].element_size = vertex_size;
- st->user_attrib[0].stride = stride;
- st->num_user_attribs = 1;
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * 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
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-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,
- struct pipe_vertex_buffer vbuffer[],
- struct pipe_vertex_element velements[],
- unsigned max_index,
- unsigned num_instances)
-{
- 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];
- const struct gl_client_array *array = arrays[mesaAttr];
- struct gl_buffer_object *bufobj = array->BufferObj;
- GLuint element_size = array->_ElementSize;
- GLsizei stride = array->StrideB;
-
- assert(element_size == array->Size * _mesa_sizeof_type(array->Type));
-
- if (_mesa_is_bufferobj(bufobj)) {
- /* 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);
-
- if (!stobj || !stobj->buffer) {
- /* probably out of memory (or zero-sized buffer) */
- return GL_FALSE;
- }
-
- vbuffer[attr].buffer = NULL;
- pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer);
- vbuffer[attr].buffer_offset = pointer_to_offset(array->Ptr);
- }
- else {
- /* wrap user data */
- uint bytes;
- void *ptr;
-
- if (array->Ptr) {
- uint divisor = array->InstanceDivisor;
- uint last_index = divisor ? num_instances / divisor : max_index;
-
- bytes = stride * last_index + element_size;
-
- ptr = (void *) array->Ptr;
- }
- else {
- /* no array, use ctx->Current.Attrib[] value */
- bytes = element_size = sizeof(ctx->Current.Attrib[0]);
- ptr = (void *) ctx->Current.Attrib[mesaAttr];
- stride = 0;
- }
-
- assert(ptr);
- assert(bytes);
-
- vbuffer[attr].buffer =
- pipe_user_buffer_create(pipe->screen, ptr, bytes,
- PIPE_BIND_VERTEX_BUFFER);
-
- vbuffer[attr].buffer_offset = 0;
-
- /* Track user vertex buffers. */
- pipe_resource_reference(&st->user_attrib[attr].buffer, vbuffer[attr].buffer);
- st->user_attrib[attr].element_size = element_size;
- st->user_attrib[attr].stride = stride;
- st->num_user_attribs = MAX2(st->num_user_attribs, attr + 1);
-
- if (!vbuffer[attr].buffer) {
- /* probably ran out of memory */
- return GL_FALSE;
- }
- }
-
- /* common-case setup */
- vbuffer[attr].stride = stride; /* in bytes */
-
- velements[attr].src_offset = 0;
- velements[attr].instance_divisor = array->InstanceDivisor;
- velements[attr].vertex_buffer_index = attr;
- velements[attr].src_format = st_pipe_vertex_format(array->Type,
- array->Size,
- array->Format,
- array->Normalized);
- assert(velements[attr].src_format);
- }
-
- return GL_TRUE;
-}
-
-
-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;
-
- ibuffer->index_size = vbo_sizeof_ib_type(ib->type);
-
- /* get/create the index buffer object */
- if (_mesa_is_bufferobj(bufobj)) {
- /* 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);
- }
- }
+ cso_set_index_buffer(st->cso_context, ibuffer);
+ return TRUE;
}
static void
check_uniforms(struct gl_context *ctx)
{
- struct gl_shader_program *shProg[3] = {
- ctx->Shader.CurrentVertexProgram,
- ctx->Shader.CurrentGeometryProgram,
- ctx->Shader.CurrentFragmentProgram,
- };
+ struct gl_shader_program **shProg = ctx->_Shader->CurrentProgram;
unsigned j;
for (j = 0; j < 3; j++) {
if (shProg[j] == NULL || !shProg[j]->LinkStatus)
continue;
- for (i = 0; i < shProg[j]->NumUserUniformStorage; i++) {
+ for (i = 0; i < shProg[j]->NumUniformStorage; i++) {
const struct gl_uniform_storage *u = &shProg[j]->UniformStorage[i];
if (!u->initialized) {
_mesa_warning(ctx,
}
-/*
- * Notes on primitive restart:
- * The code below is used when the gallium driver does not support primitive
- * restart itself. We map the index buffer, find the restart indexes, unmap
- * the index buffer then draw the sub-primitives delineated by the restarts.
- * A couple possible optimizations:
- * 1. Save the list of sub-primitive (start, count) values in a list attached
- * to the index buffer for re-use in subsequent draws. The list would be
- * invalidated when the contents of the buffer changed.
- * 2. If drawing triangle strips or quad strips, create a new index buffer
- * that uses duplicated vertices to render the disjoint strips as one
- * long strip. We'd have to be careful to avoid using too much memory
- * for this.
- * Finally, some apps might perform better if they don't use primitive restart
- * at all rather than this fallback path. Set MESA_EXTENSION_OVERRIDE to
- * "-GL_NV_primitive_restart" to test that.
- */
-
-
-struct sub_primitive
-{
- unsigned start, count;
-};
-
-
-/**
- * Scan the elements array to find restart indexes. Return a list
- * of primitive (start,count) pairs to indicate how to draw the sub-
- * primitives delineated by the restart index.
- */
-static struct sub_primitive *
-find_sub_primitives(const void *elements, unsigned element_size,
- unsigned start, unsigned end, unsigned restart_index,
- unsigned *num_sub_prims)
-{
- const unsigned max_prims = end - start;
- struct sub_primitive *sub_prims;
- unsigned i, cur_start, cur_count, num;
-
- sub_prims = (struct sub_primitive *)
- malloc(max_prims * sizeof(struct sub_primitive));
-
- if (!sub_prims) {
- *num_sub_prims = 0;
- return NULL;
- }
-
- cur_start = start;
- cur_count = 0;
- num = 0;
-
-#define SCAN_ELEMENTS(TYPE) \
- for (i = start; i < end; i++) { \
- if (((const TYPE *) elements)[i] == restart_index) { \
- if (cur_count > 0) { \
- assert(num < max_prims); \
- sub_prims[num].start = cur_start; \
- sub_prims[num].count = cur_count; \
- num++; \
- } \
- cur_start = i + 1; \
- cur_count = 0; \
- } \
- else { \
- cur_count++; \
- } \
- } \
- if (cur_count > 0) { \
- assert(num < max_prims); \
- sub_prims[num].start = cur_start; \
- sub_prims[num].count = cur_count; \
- num++; \
- }
-
- switch (element_size) {
- case 1:
- SCAN_ELEMENTS(ubyte);
- break;
- case 2:
- SCAN_ELEMENTS(ushort);
- break;
- case 4:
- SCAN_ELEMENTS(uint);
- break;
- default:
- assert(0 && "bad index_size in find_sub_primitives()");
- }
-
-#undef SCAN_ELEMENTS
-
- *num_sub_prims = num;
-
- return sub_prims;
-}
-
-
-/**
- * For gallium drivers that don't support the primitive restart
- * feature, handle it here by breaking up the indexed primitive into
- * sub-primitives.
- */
-static void
-handle_fallback_primitive_restart(struct pipe_context *pipe,
- const struct _mesa_index_buffer *ib,
- struct pipe_index_buffer *ibuffer,
- struct pipe_draw_info *orig_info)
-{
- const unsigned start = orig_info->start;
- const unsigned count = orig_info->count;
- struct pipe_draw_info info = *orig_info;
- struct pipe_transfer *transfer = NULL;
- unsigned instance, i;
- const void *ptr = NULL;
- struct sub_primitive *sub_prims;
- unsigned num_sub_prims;
-
- assert(info.indexed);
- assert(ibuffer->buffer);
- assert(ib);
-
- if (!ibuffer->buffer || !ib)
- return;
-
- info.primitive_restart = FALSE;
- info.instance_count = 1;
-
- if (_mesa_is_bufferobj(ib->obj)) {
- ptr = pipe_buffer_map_range(pipe, ibuffer->buffer,
- start * ibuffer->index_size, /* start */
- count * ibuffer->index_size, /* length */
- PIPE_TRANSFER_READ, &transfer);
- }
- else {
- ptr = ib->ptr;
- }
-
- if (!ptr)
- return;
-
- ptr = ADD_POINTERS(ptr, ibuffer->offset);
-
- sub_prims = find_sub_primitives(ptr, ibuffer->index_size,
- 0, count, orig_info->restart_index,
- &num_sub_prims);
-
- if (transfer)
- pipe_buffer_unmap(pipe, transfer);
-
- /* Now draw the sub primitives.
- * Need to loop over instances as well to preserve draw order.
- */
- for (instance = 0; instance < orig_info->instance_count; instance++) {
- info.start_instance = instance + orig_info->start_instance;
- for (i = 0; i < num_sub_prims; i++) {
- info.start = sub_prims[i].start;
- info.count = sub_prims[i].count;
- if (u_trim_pipe_prim(info.mode, &info.count)) {
- pipe->draw_vbo(pipe, &info);
- }
- }
- }
-
- if (sub_prims)
- free(sub_prims);
-}
-
-
/**
* Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
* the corresponding Gallium type.
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 important 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;
+ STATIC_ASSERT(GL_POINTS == PIPE_PRIM_POINTS);
+ STATIC_ASSERT(GL_QUADS == PIPE_PRIM_QUADS);
+ STATIC_ASSERT(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
+ STATIC_ASSERT(GL_PATCHES == PIPE_PRIM_PATCHES);
return prim;
}
-/**
- * Setup vertex arrays and buffers prior to drawing.
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-st_validate_varrays(struct gl_context *ctx,
- const struct gl_client_array **arrays,
- unsigned max_index,
- unsigned num_instances)
-{
- struct st_context *st = st_context(ctx);
- const struct st_vertex_program *vp;
- const struct st_vp_variant *vpv;
- struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS];
- struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- unsigned num_vbuffers, num_velements;
- GLuint attr;
- unsigned i;
-
- /* must get these after state validation! */
- vp = st->vp;
- vpv = st->vp_variant;
-
- memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs);
-
- /* Unreference any user vertex buffers. */
- for (i = 0; i < st->num_user_attribs; i++) {
- pipe_resource_reference(&st->user_attrib[i].buffer, NULL);
- }
- st->num_user_attribs = 0;
-
- /*
- * Setup the vbuffer[] and velements[] arrays.
- */
- if (is_interleaved_arrays(vp, vpv, arrays)) {
- if (!setup_interleaved_attribs(ctx, vp, vpv, arrays, vbuffer, velements,
- max_index, num_instances)) {
- return GL_FALSE;
- }
-
- num_vbuffers = 1;
- num_velements = vpv->num_inputs;
- if (num_velements == 0)
- num_vbuffers = 0;
- }
- else {
- if (!setup_non_interleaved_attribs(ctx, vp, vpv, arrays,
- vbuffer, velements, max_index,
- num_instances)) {
- return GL_FALSE;
- }
-
- num_vbuffers = vpv->num_inputs;
- num_velements = vpv->num_inputs;
- }
-
- cso_set_vertex_buffers(st->cso_context, num_vbuffers, vbuffer);
- cso_set_vertex_elements(st->cso_context, num_velements, velements);
-
- /* unreference buffers (frees wrapped user-space buffer objects)
- * This is OK, because the pipe driver should reference buffers by itself
- * in set_vertex_buffers. */
- for (attr = 0; attr < num_vbuffers; attr++) {
- pipe_resource_reference(&vbuffer[attr].buffer, NULL);
- assert(!vbuffer[attr].buffer);
- }
-
- return GL_TRUE;
-}
-
-
/**
* This function gets plugged into the VBO module and is called when
* we have something to render.
*/
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 gl_transform_feedback_object *tfb_vertcount)
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream,
+ struct gl_buffer_object *indirect)
{
struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_index_buffer ibuffer;
+ struct pipe_index_buffer ibuffer = {0};
struct pipe_draw_info info;
- unsigned i, num_instances = 1;
- GLboolean new_array =
- st->dirty.st &&
- (st->dirty.mesa & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT)) != 0;
+ const struct gl_client_array **arrays = ctx->Array._DrawArrays;
+ unsigned i;
/* Mesa core state should have been validated already */
assert(ctx->NewState == 0x0);
- if (ib) {
- /* Gallium probably doesn't want this in some cases. */
- if (!index_bounds_valid)
- if (!all_varyings_in_vbos(arrays))
- vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index);
-
- for (i = 0; i < nr_prims; i++) {
- num_instances = MAX2(num_instances, prims[i].num_instances);
- }
- }
- else {
- /* Get min/max index for non-indexed drawing. */
- min_index = ~0;
- max_index = 0;
-
- for (i = 0; i < nr_prims; i++) {
- min_index = MIN2(min_index, prims[i].start);
- max_index = MAX2(max_index, prims[i].start + prims[i].count - 1);
- num_instances = MAX2(num_instances, prims[i].num_instances);
- }
- }
+ st_flush_bitmap_cache(st);
/* Validate state. */
- if (st->dirty.st) {
- GLboolean vertDataEdgeFlags;
-
- /* 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);
-
- if (new_array) {
- if (!st_validate_varrays(ctx, arrays, max_index, num_instances)) {
- /* probably out of memory, no-op the draw call */
- return;
- }
- }
+ if (st->dirty.st || ctx->NewDriverState) {
+ st_validate_state(st, ST_PIPELINE_RENDER);
#if 0
if (MESA_VERBOSE & VERBOSE_GLSL) {
#endif
}
- /* Notify the driver that the content of user buffers may have been
- * changed. */
- assert(max_index >= min_index);
- if (!new_array && st->num_user_attribs) {
- for (i = 0; i < st->num_user_attribs; i++) {
- if (st->user_attrib[i].buffer) {
- unsigned element_size = st->user_attrib[i].element_size;
- unsigned stride = st->user_attrib[i].stride;
- unsigned min_offset = min_index * stride;
- unsigned max_offset = max_index * stride + element_size;
-
- assert(max_offset > min_offset);
-
- pipe->redefine_user_buffer(pipe, st->user_attrib[i].buffer,
- min_offset,
- max_offset - min_offset);
- }
- }
+ if (st->vertex_array_out_of_memory) {
+ return;
}
- setup_index_buffer(ctx, ib, &ibuffer);
- pipe->set_index_buffer(pipe, &ibuffer);
-
util_draw_init_info(&info);
+
if (ib) {
+ /* Get index bounds for user buffers. */
+ if (!index_bounds_valid)
+ if (!all_varyings_in_vbos(arrays))
+ vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
+ nr_prims);
+
+ if (!setup_index_buffer(st, ib, &ibuffer)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBegin/DrawElements/DrawArray");
+ return;
+ }
+
info.indexed = TRUE;
- if (min_index != ~0 && max_index != ~0) {
+ if (min_index != ~0U && max_index != ~0U) {
info.min_index = min_index;
info.max_index = max_index;
}
/* The VBO module handles restart for the non-indexed GLDrawArrays
* so we only set these fields for indexed drawing:
*/
- info.primitive_restart = ctx->Array.PrimitiveRestart;
- info.restart_index = ctx->Array.RestartIndex;
+ info.primitive_restart = ctx->Array._PrimitiveRestart;
+ info.restart_index = _mesa_primitive_restart_index(ctx, ib->type);
}
-
- /* Set info.count_from_stream_output. */
- if (tfb_vertcount) {
- st_transform_feedback_draw_init(tfb_vertcount, &info);
+ else {
+ /* Transform feedback drawing is always non-indexed. */
+ /* Set info.count_from_stream_output. */
+ if (tfb_vertcount) {
+ if (!st_transform_feedback_draw_init(tfb_vertcount, stream, &info))
+ return;
+ }
}
+ assert(!indirect);
+
/* do actual drawing */
for (i = 0; i < nr_prims; i++) {
- info.mode = translate_prim( ctx, prims[i].mode );
+ info.mode = translate_prim(ctx, prims[i].mode);
info.start = prims[i].start;
info.count = prims[i].count;
+ info.start_instance = prims[i].base_instance;
info.instance_count = prims[i].num_instances;
+ info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
info.index_bias = prims[i].basevertex;
+ info.drawid = prims[i].draw_id;
if (!ib) {
info.min_index = info.start;
info.max_index = info.start + info.count - 1;
}
+ if (ST_DEBUG & DEBUG_DRAW) {
+ debug_printf("st/draw: mode %s start %u count %u indexed %d\n",
+ u_prim_name(info.mode),
+ info.start,
+ info.count,
+ info.indexed);
+ }
+
if (info.count_from_stream_output) {
- pipe->draw_vbo(pipe, &info);
+ cso_draw_vbo(st->cso_context, &info);
}
else if (info.primitive_restart) {
- if (st->sw_primitive_restart) {
- /* Handle primitive restart for drivers that doesn't support it */
- handle_fallback_primitive_restart(pipe, ib, &ibuffer, &info);
- }
- else {
- /* don't trim, restarts might be inside index list */
- pipe->draw_vbo(pipe, &info);
- }
+ /* don't trim, restarts might be inside index list */
+ cso_draw_vbo(st->cso_context, &info);
}
- else if (u_trim_pipe_prim(info.mode, &info.count))
- pipe->draw_vbo(pipe, &info);
+ else if (u_trim_pipe_prim(prims[i].mode, &info.count)) {
+ cso_draw_vbo(st->cso_context, &info);
+ }
+ }
+
+ if (ib && st->indexbuf_uploader && !_mesa_is_bufferobj(ib->obj)) {
+ pipe_resource_reference(&ibuffer.buffer, NULL);
+ }
+}
+
+static void
+st_indirect_draw_vbo(struct gl_context *ctx,
+ GLuint mode,
+ struct gl_buffer_object *indirect_data,
+ GLsizeiptr indirect_offset,
+ unsigned draw_count,
+ unsigned stride,
+ struct gl_buffer_object *indirect_params,
+ GLsizeiptr indirect_params_offset,
+ const struct _mesa_index_buffer *ib)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_index_buffer ibuffer = {0};
+ struct pipe_draw_info info;
+
+ /* Mesa core state should have been validated already */
+ assert(ctx->NewState == 0x0);
+ assert(stride);
+
+ /* Validate state. */
+ if (st->dirty.st || ctx->NewDriverState) {
+ st_validate_state(st, ST_PIPELINE_RENDER);
+ }
+
+ if (st->vertex_array_out_of_memory) {
+ return;
}
- pipe_resource_reference(&ibuffer.buffer, NULL);
+ util_draw_init_info(&info);
+
+ if (ib) {
+ if (!setup_index_buffer(st, ib, &ibuffer)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sDrawElementsIndirect%s",
+ (draw_count > 1) ? "Multi" : "",
+ indirect_params ? "CountARB" : "");
+ return;
+ }
+
+ info.indexed = TRUE;
+ }
+
+ info.mode = translate_prim(ctx, mode);
+ info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
+ info.indirect = st_buffer_object(indirect_data)->buffer;
+ info.indirect_offset = indirect_offset;
+
+ /* Primitive restart is not handled by the VBO module in this case. */
+ info.primitive_restart = ctx->Array._PrimitiveRestart;
+ info.restart_index = ctx->Array.RestartIndex;
+
+ if (ST_DEBUG & DEBUG_DRAW) {
+ debug_printf("st/draw indirect: mode %s drawcount %d indexed %d\n",
+ u_prim_name(info.mode),
+ draw_count,
+ info.indexed);
+ }
+
+ if (!st->has_multi_draw_indirect) {
+ int i;
+
+ assert(!indirect_params);
+ info.indirect_count = 1;
+ for (i = 0; i < draw_count; i++) {
+ info.drawid = i;
+ cso_draw_vbo(st->cso_context, &info);
+ info.indirect_offset += stride;
+ }
+ } else {
+ info.indirect_count = draw_count;
+ info.indirect_stride = stride;
+ if (indirect_params) {
+ info.indirect_params = st_buffer_object(indirect_params)->buffer;
+ info.indirect_params_offset = indirect_params_offset;
+ }
+ cso_draw_vbo(st->cso_context, &info);
+ }
}
struct gl_context *ctx = st->ctx;
vbo_set_draw_func(ctx, st_draw_vbo);
+ vbo_set_indirect_draw_func(ctx, st_indirect_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.
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
}
projects / mesa.git / blobdiff