/**************************************************************************
- *
- * 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.
- *
+ *
**************************************************************************/
/*
* glDrawElements, glEvalMesh, or glCalList, etc.
*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
+#include "main/errors.h"
#include "main/imports.h"
#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_inlines.h"
#include "util/u_format.h"
#include "util/u_prim.h"
-#include "util/u_draw_quad.h"
+#include "util/u_draw.h"
#include "util/u_upload_mgr.h"
#include "draw/draw_context.h"
#include "cso_cache/cso_context.h"
-#include "../glsl/ir_uniform.h"
-
/**
- * This is very similar to vbo_all_varyings_in_vbos() but we are
- * only interested in per-vertex data. See bug 38626.
+ * Set the restart index.
*/
-static GLboolean
-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 &&
- !_mesa_is_bufferobj(arrays[i]->BufferObj))
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
static void
-setup_index_buffer(struct st_context *st,
- const struct _mesa_index_buffer *ib,
- struct pipe_index_buffer *ibuffer)
+setup_primitive_restart(struct gl_context *ctx, struct pipe_draw_info *info)
{
- struct gl_buffer_object *bufobj = ib->obj;
+ if (ctx->Array._PrimitiveRestart) {
+ unsigned index_size = info->index_size;
- ibuffer->index_size = vbo_sizeof_ib_type(ib->type);
+ info->restart_index =
+ _mesa_primitive_restart_index(ctx, index_size);
- /* 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);
- }
- else if (st->indexbuf_uploader) {
- u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
- ib->ptr, &ibuffer->offset, &ibuffer->buffer);
- u_upload_unmap(st->indexbuf_uploader);
- }
- else {
- /* indices are in user space memory */
- ibuffer->user_buffer = ib->ptr;
- }
-
- cso_set_index_buffer(st->cso_context, ibuffer);
-}
-
-
-/**
- * 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]->NumUserUniformStorage; i++) {
- const struct gl_uniform_storage *u = &shProg[j]->UniformStorage[i];
- if (!u->initialized) {
- _mesa_warning(ctx,
- "Using shader with uninitialized uniform: %s",
- u->name);
- }
- }
+ /* Enable primitive restart only when the restart index can have an
+ * effect. This is required for correctness in radeonsi VI support.
+ * Other hardware may also benefit from taking a faster, non-restart path
+ * when possible.
+ */
+ if (index_size == 4 || info->restart_index < (1 << (index_size * 8)))
+ info->primitive_restart = true;
}
}
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;
}
+static inline void
+prepare_draw(struct st_context *st, struct gl_context *ctx)
+{
+ /* Mesa core state should have been validated already */
+ assert(ctx->NewState == 0x0);
+
+ if (unlikely(!st->bitmap.cache.empty))
+ st_flush_bitmap_cache(st);
+
+ st_invalidate_readpix_cache(st);
+
+ /* Validate state. */
+ if ((st->dirty | ctx->NewDriverState) & ST_PIPELINE_RENDER_STATE_MASK ||
+ st->gfx_shaders_may_be_dirty) {
+ st_validate_state(st, ST_PIPELINE_RENDER);
+ }
+}
/**
* 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
+static void
st_draw_vbo(struct gl_context *ctx,
const struct _mesa_prim *prims,
GLuint nr_prims,
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_index_buffer ibuffer = {0};
struct pipe_draw_info info;
- const struct gl_client_array **arrays = ctx->Array._DrawArrays;
unsigned i;
+ unsigned start = 0;
- /* Mesa core state should have been validated already */
- assert(ctx->NewState == 0x0);
-
- /* Validate state. */
- if (st->dirty.st || ctx->NewDriverState) {
- st_validate_state(st);
+ prepare_draw(st, ctx);
- if (st->vertex_array_out_of_memory)
- return;
+ if (st->vertex_array_out_of_memory)
+ return;
-#if 0
- if (MESA_VERBOSE & VERBOSE_GLSL) {
- check_uniforms(ctx);
- }
-#else
- (void) check_uniforms;
-#endif
- }
+ /* Initialize pipe_draw_info. */
+ info.primitive_restart = false;
+ info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
+ info.indirect = NULL;
+ info.count_from_stream_output = NULL;
+ info.restart_index = 0;
- 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);
+ struct gl_buffer_object *bufobj = ib->obj;
- setup_index_buffer(st, ib, &ibuffer);
+ /* Get index bounds for user buffers. */
+ if (!index_bounds_valid && st->draw_needs_minmax_index) {
+ vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
+ nr_prims);
+ }
- info.indexed = TRUE;
- if (min_index != ~0 && max_index != ~0) {
- info.min_index = min_index;
- info.max_index = max_index;
+ info.index_size = ib->index_size;
+ info.min_index = min_index;
+ info.max_index = max_index;
+
+ if (_mesa_is_bufferobj(bufobj)) {
+ /* indices are in a real VBO */
+ info.has_user_indices = false;
+ info.index.resource = st_buffer_object(bufobj)->buffer;
+
+ /* Return if the bound element array buffer doesn't have any backing
+ * storage. (nothing to do)
+ */
+ if (!info.index.resource)
+ return;
+
+ start = pointer_to_offset(ib->ptr) / info.index_size;
+ } else {
+ /* indices are in user space memory */
+ info.has_user_indices = true;
+ info.index.user = ib->ptr;
}
- /* 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;
+ setup_primitive_restart(ctx, &info);
}
else {
+ info.index_size = 0;
+ info.has_user_indices = false;
+
/* Transform feedback drawing is always non-indexed. */
/* Set info.count_from_stream_output. */
if (tfb_vertcount) {
- st_transform_feedback_draw_init(tfb_vertcount, &info);
+ 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.start = prims[i].start;
info.count = prims[i].count;
+
+ /* Skip no-op draw calls. */
+ if (!info.count && !tfb_vertcount)
+ continue;
+
+ info.mode = translate_prim(ctx, prims[i].mode);
+ info.start = start + prims[i].start;
info.start_instance = prims[i].base_instance;
info.instance_count = prims[i].num_instances;
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 (info.count_from_stream_output) {
- cso_draw_vbo(st->cso_context, &info);
- }
- else if (info.primitive_restart) {
- /* don't trim, restarts might be inside index list */
- cso_draw_vbo(st->cso_context, &info);
+ if (ST_DEBUG & DEBUG_DRAW) {
+ debug_printf("st/draw: mode %s start %u count %u index_size %d\n",
+ u_prim_name(info.mode),
+ info.start,
+ info.count,
+ info.index_size);
}
- else if (u_trim_pipe_prim(info.mode, &info.count))
- cso_draw_vbo(st->cso_context, &info);
+
+ /* Don't call u_trim_pipe_prim. Drivers should do it if they need it. */
+ cso_draw_vbo(st->cso_context, &info);
}
+}
+
+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_draw_count,
+ GLsizeiptr indirect_draw_count_offset,
+ const struct _mesa_index_buffer *ib)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_draw_info info;
+ struct pipe_draw_indirect_info indirect;
- if (ib && st->indexbuf_uploader && !_mesa_is_bufferobj(ib->obj)) {
- pipe_resource_reference(&ibuffer.buffer, NULL);
+ assert(stride);
+ prepare_draw(st, ctx);
+
+ if (st->vertex_array_out_of_memory)
+ return;
+
+ memset(&indirect, 0, sizeof(indirect));
+ util_draw_init_info(&info);
+ info.start = 0; /* index offset / index size */
+
+ if (ib) {
+ struct gl_buffer_object *bufobj = ib->obj;
+
+ /* indices are always in a real VBO */
+ assert(_mesa_is_bufferobj(bufobj));
+
+ info.index_size = ib->index_size;
+ info.index.resource = st_buffer_object(bufobj)->buffer;
+ info.start = pointer_to_offset(ib->ptr) / info.index_size;
+
+ /* Primitive restart is not handled by the VBO module in this case. */
+ setup_primitive_restart(ctx, &info);
+ }
+
+ info.mode = translate_prim(ctx, mode);
+ info.vertices_per_patch = ctx->TessCtrlProgram.patch_vertices;
+ info.indirect = &indirect;
+ indirect.buffer = st_buffer_object(indirect_data)->buffer;
+ indirect.offset = indirect_offset;
+
+ if (ST_DEBUG & DEBUG_DRAW) {
+ debug_printf("st/draw indirect: mode %s drawcount %d index_size %d\n",
+ u_prim_name(info.mode),
+ draw_count,
+ info.index_size);
+ }
+
+ if (!st->has_multi_draw_indirect) {
+ int i;
+
+ assert(!indirect_draw_count);
+ indirect.draw_count = 1;
+ for (i = 0; i < draw_count; i++) {
+ info.drawid = i;
+ cso_draw_vbo(st->cso_context, &info);
+ indirect.offset += stride;
+ }
+ } else {
+ indirect.draw_count = draw_count;
+ indirect.stride = stride;
+ if (indirect_draw_count) {
+ indirect.indirect_draw_count =
+ st_buffer_object(indirect_draw_count)->buffer;
+ indirect.indirect_draw_count_offset = indirect_draw_count_offset;
+ }
+ cso_draw_vbo(st->cso_context, &info);
}
}
void
-st_init_draw(struct st_context *st)
+st_init_draw_functions(struct dd_function_table *functions)
{
- struct gl_context *ctx = st->ctx;
+ functions->Draw = st_draw_vbo;
+ functions->DrawIndirect = st_indirect_draw_vbo;
+}
- vbo_set_draw_func(ctx, st_draw_vbo);
-#if FEATURE_feedback || FEATURE_rastpos
- st->draw = draw_create(st->pipe); /* for selection/feedback */
+void
+st_destroy_draw(struct st_context *st)
+{
+ draw_destroy(st->draw);
+}
+
+/**
+ * Getter for the draw_context, so that initialization of it can happen only
+ * when needed (the TGSI exec machines take up quite a bit of memory).
+ */
+struct draw_context *
+st_get_draw_context(struct st_context *st)
+{
+ if (!st->draw) {
+ st->draw = draw_create(st->pipe);
+ if (!st->draw) {
+ _mesa_error(st->ctx, GL_OUT_OF_MEMORY, "feedback fallback allocation");
+ return NULL;
+ }
+ }
/* Disable draw options that might convert points/lines to tris, etc.
* as that would foul-up feedback/selection mode.
draw_wide_point_threshold(st->draw, 1000.0f);
draw_enable_line_stipple(st->draw, FALSE);
draw_enable_point_sprites(st->draw, FALSE);
-#endif
-}
+ return st->draw;
+}
-void
-st_destroy_draw(struct st_context *st)
+/**
+ * Draw a quad with given position, texcoords and color.
+ */
+bool
+st_draw_quad(struct st_context *st,
+ float x0, float y0, float x1, float y1, float z,
+ float s0, float t0, float s1, float t1,
+ const float *color,
+ unsigned num_instances)
{
-#if FEATURE_feedback || FEATURE_rastpos
- draw_destroy(st->draw);
-#endif
+ struct pipe_vertex_buffer vb = {0};
+ struct st_util_vertex *verts;
+
+ vb.stride = sizeof(struct st_util_vertex);
+
+ u_upload_alloc(st->pipe->stream_uploader, 0,
+ 4 * sizeof(struct st_util_vertex), 4,
+ &vb.buffer_offset, &vb.buffer.resource, (void **) &verts);
+ if (!vb.buffer.resource) {
+ return false;
+ }
+
+ /* lower-left */
+ verts[0].x = x0;
+ verts[0].y = y1;
+ verts[0].z = z;
+ verts[0].r = color[0];
+ verts[0].g = color[1];
+ verts[0].b = color[2];
+ verts[0].a = color[3];
+ verts[0].s = s0;
+ verts[0].t = t0;
+
+ /* lower-right */
+ verts[1].x = x1;
+ verts[1].y = y1;
+ verts[1].z = z;
+ verts[1].r = color[0];
+ verts[1].g = color[1];
+ verts[1].b = color[2];
+ verts[1].a = color[3];
+ verts[1].s = s1;
+ verts[1].t = t0;
+
+ /* upper-right */
+ verts[2].x = x1;
+ verts[2].y = y0;
+ verts[2].z = z;
+ verts[2].r = color[0];
+ verts[2].g = color[1];
+ verts[2].b = color[2];
+ verts[2].a = color[3];
+ verts[2].s = s1;
+ verts[2].t = t1;
+
+ /* upper-left */
+ verts[3].x = x0;
+ verts[3].y = y0;
+ verts[3].z = z;
+ verts[3].r = color[0];
+ verts[3].g = color[1];
+ verts[3].b = color[2];
+ verts[3].a = color[3];
+ verts[3].s = s0;
+ verts[3].t = t1;
+
+ u_upload_unmap(st->pipe->stream_uploader);
+
+ cso_set_vertex_buffers(st->cso_context, 0, 1, &vb);
+
+ if (num_instances > 1) {
+ cso_draw_arrays_instanced(st->cso_context, PIPE_PRIM_TRIANGLE_FAN, 0, 4,
+ 0, num_instances);
+ } else {
+ cso_draw_arrays(st->cso_context, PIPE_PRIM_TRIANGLE_FAN, 0, 4);
+ }
+
+ pipe_resource_reference(&vb.buffer.resource, NULL);
+
+ return true;
}
projects / mesa.git / blobdiff