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/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the definition of PrimitiveD3D9.
#include "core/cross/precompile.h"
#include "core/win/d3d9/primitive_d3d9.h"
#include "core/cross/buffer.h"
#include "core/cross/param_cache.h"
#include "core/cross/renderer.h"
#include "core/cross/error.h"
#include "core/win/d3d9/buffer_d3d9.h"
#include "core/win/d3d9/d3d_entry_points.h"
#include "core/win/d3d9/draw_element_d3d9.h"
#include "core/win/d3d9/effect_d3d9.h"
#include "core/win/d3d9/param_cache_d3d9.h"
#include "core/win/d3d9/stream_bank_d3d9.h"
#include "core/win/d3d9/utils_d3d9.h"
// Someone defines min, conflicting with std::min
#ifdef min
#undef min
#endif
namespace o3d {
PrimitiveD3D9::PrimitiveD3D9(ServiceLocator* service_locator,
IDirect3DDevice9* d3d_device)
: Primitive(service_locator),
d3d_device_(d3d_device) {
DCHECK(d3d_device);
}
PrimitiveD3D9::~PrimitiveD3D9() {
}
// Binds the vertex and index streams required to draw the shape. If the
// vertex or fragment programs have changed since the last time this method
// was called (or it's the first time it's getting called) then it forces
// an update of the mapping between the Material's Params and the shader
// parameters and also fills in for any missing streams.
void PrimitiveD3D9::Render(Renderer* renderer,
DrawElement* draw_element,
Material* material,
ParamObject* override,
ParamCache* param_cache) {
DLOG_ASSERT(param_cache != NULL);
ParamCacheD3D9* param_cache_d3d9 = down_cast<ParamCacheD3D9*>(param_cache);
if (!material) {
O3D_ERROR(service_locator())
<< "No material on Primitive '" << name() << "'";
return;
}
EffectD3D9* effect_d3d9 = down_cast<EffectD3D9*>(material->effect());
if (!effect_d3d9) {
O3D_ERROR(service_locator())
<< "No effect on material '" << material->name() << "'";
return;
}
StreamBankD3D9* stream_bank_d3d9 = down_cast<StreamBankD3D9*>(stream_bank());
if (!stream_bank_d3d9) {
O3D_ERROR(service_locator())
<< "No stream bank on Primitive '" << name() << "'";
return;
}
DrawElementD3D9* draw_element_d3d9 = down_cast<DrawElementD3D9*>(
draw_element);
IDirect3DVertexShader9* vshader = effect_d3d9->d3d_vertex_shader();
IDirect3DPixelShader9* fshader = effect_d3d9->d3d_fragment_shader();
if (!param_cache_d3d9->ValidateAndCacheParams(effect_d3d9,
draw_element_d3d9,
this,
stream_bank_d3d9,
material,
override)) {
Stream::Semantic missing_semantic;
int missing_semnatic_index;
if (!stream_bank_d3d9->CheckForMissingVertexStreams(
effect_d3d9,
&missing_semantic,
&missing_semnatic_index)) {
param_cache_d3d9->ClearParamCache();
O3D_ERROR(service_locator())
<< "Required Stream "
<< Stream::GetSemanticDescription(missing_semantic) << ":"
<< missing_semnatic_index << " missing on Primitive '" << name()
<< "' using Material '" << material->name()
<< "' with Effect '" << effect_d3d9->name() << "'";
return;
}
}
if (indexed()) {
// Set the index stream
IndexBufferD3D9* index_buffer_d3d9 =
down_cast<IndexBufferD3D9*>(index_buffer());
unsigned int max_indices = index_buffer_d3d9->num_elements();
unsigned int index_count;
if (!Primitive::GetIndexCount(primitive_type_,
number_primitives_,
&index_count)) {
O3D_ERROR(service_locator())
<< "Unknown Primitive Type in GetIndexCount: "
<< primitive_type_ << ". Skipping primitive "
<< name();
return;
}
if (index_count > max_indices) {
O3D_ERROR(service_locator())
<< "Trying to draw with " << index_count
<< " indices when only " << max_indices
<< " are available in the buffer. Skipping primitive " << name();
return;
}
// TODO: Also check that indices in the index buffer are less than
// max_vertices_. Needs support from the index buffer (scan indices on
// Unlock).
HR(d3d_device_->SetIndices(index_buffer_d3d9->d3d_buffer()));
}
// Make sure our streams are up to date (skinned, etc..)
stream_bank_d3d9->UpdateStreams();
// Get all the vertex streams associated with the shape
unsigned int max_vertices;
if (!stream_bank_d3d9->BindStreamsForRendering(&max_vertices)) {
return;
}
// TODO: move these checks at 'set' time instead of draw time.
// Check the max number of vertices. Do this after InsertMissingVertexStreams
// happenned because it may modify the list of streams, thus max_vertices_.
if (number_vertices_ > max_vertices) {
O3D_ERROR(service_locator())
<< "Trying to draw with " << number_vertices_
<< " vertices when there are only " << max_vertices
<< " available in the buffers. Skipping primitive " << name();
return;
}
// Setup the shaders in the effect
if (effect_d3d9) {
effect_d3d9->PrepareForDraw(param_cache_d3d9->cached_effect_params());
}
// Draw the appropriate primitive
D3DPRIMITIVETYPE d3d_primitive_type;
switch (primitive_type()) {
case Primitive::POINTLIST:
if (indexed()) {
O3D_ERROR(service_locator())
<< "POINTLIST unsupported for indexed primitives for primitive "
<< name();
return;
} else {
d3d_primitive_type = D3DPT_POINTLIST;
break;
}
case Primitive::LINELIST:
d3d_primitive_type = D3DPT_LINELIST;
break;
case Primitive::LINESTRIP:
d3d_primitive_type = D3DPT_LINESTRIP;
break;
case Primitive::TRIANGLELIST:
d3d_primitive_type = D3DPT_TRIANGLELIST;
break;
case Primitive::TRIANGLESTRIP:
d3d_primitive_type = D3DPT_TRIANGLESTRIP;
break;
case Primitive::TRIANGLEFAN:
d3d_primitive_type = D3DPT_TRIANGLEFAN;
break;
default:
O3D_ERROR(service_locator())
<< "Unknown Primitive Type in Primitive: "
<< primitive_type() << " for primitive "
<< name();
return;
}
renderer->AddPrimitivesRendered(number_primitives_);
if (indexed()) {
d3d_device_->DrawIndexedPrimitive(d3d_primitive_type,
0,
0,
number_vertices_,
start_index_,
number_primitives_);
} else {
d3d_device_->DrawPrimitive(
d3d_primitive_type, start_index_, number_primitives_);
}
if (effect_d3d9) {
effect_d3d9->PostDraw(this, param_cache_d3d9->cached_effect_params());
}
}
} // namespace o3d
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