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author | milo24x7@gmail.com <milo24x7@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2013-07-07 21:26:31 +0000 |
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committer | milo24x7@gmail.com <milo24x7@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2013-07-07 21:26:31 +0000 |
commit | 2c1c5595efec1db63c142accda59e83079af217e (patch) | |
tree | d04314765943aded30815b2100b64acefe8593aa /nGenEx/VideoDX9VertexBuffer.cpp | |
parent | 9402ff30d635b3c579d4024f96d845c3e2429fce (diff) | |
download | starshatter-2c1c5595efec1db63c142accda59e83079af217e.zip starshatter-2c1c5595efec1db63c142accda59e83079af217e.tar.gz starshatter-2c1c5595efec1db63c142accda59e83079af217e.tar.bz2 |
Updated open source license declaration and fixed some formatting issues.
Diffstat (limited to 'nGenEx/VideoDX9VertexBuffer.cpp')
-rw-r--r-- | nGenEx/VideoDX9VertexBuffer.cpp | 586 |
1 files changed, 305 insertions, 281 deletions
diff --git a/nGenEx/VideoDX9VertexBuffer.cpp b/nGenEx/VideoDX9VertexBuffer.cpp index 952f43c..aedc41e 100644 --- a/nGenEx/VideoDX9VertexBuffer.cpp +++ b/nGenEx/VideoDX9VertexBuffer.cpp @@ -1,281 +1,305 @@ -/* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
-
- SUBSYSTEM: nGenEx.lib
- FILE: VideoDX9VertexBuffer.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- Direct3D Video class for DirectX 9
-*/
-
-#include "MemDebug.h"
-#include "VideoDX9VertexBuffer.h"
-#include "Color.h"
-
-// +--------------------------------------------------------------------+
-
-void VideoDX9Error(const char* msg, HRESULT dderr);
-extern int VD3D_describe_things;
-
-#ifndef RELEASE
-#define RELEASE(x) if (x) { x->Release(); x=NULL; }
-#endif
-
-// +--------------------------------------------------------------------+
-
-VideoDX9VertexBuffer::VideoDX9VertexBuffer(VideoDX9* dx9,
-UINT nverts,
-UINT vsize,
-DWORD format,
-DWORD usage)
-: video(dx9), vertex_buffer(0),
-num_verts(nverts), num_locked(0), vert_size(vsize), next_vert(0),
-is_dynamic(false)
-{
- UINT len = num_verts * vert_size;
-
- if (video && len) {
- is_dynamic = (usage & D3DUSAGE_DYNAMIC) ? true : false;
- D3DPOOL pool = is_dynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED;
-
- HRESULT hr = video->D3DDevice()->CreateVertexBuffer(len,
- usage,
- format,
- pool,
- &vertex_buffer,
- 0);
-
- if (FAILED(hr)) {
- static int report = 10;
- if (report) {
- VideoDX9Error("Could not create vertex buffer.", hr);
- report--;
- }
-
- num_verts = 0;
- vert_size = 0;
- next_vert = 0;
- }
- }
-}
-
-VideoDX9VertexBuffer::~VideoDX9VertexBuffer()
-{
- RELEASE(vertex_buffer);
-}
-
-// +--------------------------------------------------------------------+
-
-BYTE*
-VideoDX9VertexBuffer::Lock(UINT count)
-{
- if (vertex_buffer && count <= num_verts) {
- DWORD flags = 0;
-
- if (count == 0)
- count = num_verts;
-
- if (is_dynamic) {
- flags = D3DLOCK_NOOVERWRITE;
-
- if (next_vert + count > num_verts) {
- next_vert = 0;
- flags = D3DLOCK_DISCARD;
- }
- }
-
- void* result = 0;
- HRESULT hr = 0;
-
- hr = vertex_buffer->Lock(next_vert * vert_size,
- count * vert_size,
- &result,
- flags);
-
- if (SUCCEEDED(hr)) {
- num_locked = count;
- return (BYTE*) result;
- }
- }
-
- return 0;
-}
-
-void
-VideoDX9VertexBuffer::Unlock()
-{
- if (vertex_buffer && num_locked > 0) {
- vertex_buffer->Unlock();
-
- next_vert += num_locked;
- num_locked = 0;
- }
-}
-
-bool
-VideoDX9VertexBuffer::Select(int stream)
-{
- if (video && vertex_buffer) {
- HRESULT hr = E_FAIL;
-
- if (num_locked > 0)
- Unlock();
-
- hr = video->D3DDevice()->SetStreamSource(stream,
- vertex_buffer,
- 0,
- vert_size);
-
- if (SUCCEEDED(hr))
- return true;
- }
-
- return false;
-}
-
-// +--------------------------------------------------------------------+
-
-UINT
-VideoDX9VertexBuffer::GetNumVerts() const
-{
- return num_verts;
-}
-
-UINT
-VideoDX9VertexBuffer::GetVertSize() const
-{
- return vert_size;
-}
-
-UINT
-VideoDX9VertexBuffer::GetNextVert() const
-{
- return next_vert;
-}
-
-
-// +--------------------------------------------------------------------+
-// +--------------------------------------------------------------------+
-// +--------------------------------------------------------------------+
-
-
-VideoDX9IndexBuffer::VideoDX9IndexBuffer(VideoDX9* dx9,
-UINT nind,
-DWORD usage)
-: video(dx9), index_buffer(0),
-num_indices(nind), num_locked(0), next_index(0),
-is_dynamic(false)
-{
- UINT len = num_indices * sizeof(WORD);
-
- if (video && len) {
- is_dynamic = (usage & D3DUSAGE_DYNAMIC) ? true : false;
- D3DPOOL pool = is_dynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED;
-
- HRESULT hr = video->D3DDevice()->CreateIndexBuffer(len,
- usage,
- D3DFMT_INDEX16,
- pool,
- &index_buffer,
- 0);
-
- if (FAILED(hr)) {
- static int report = 10;
- if (report) {
- VideoDX9Error("Could not create index buffer.", hr);
- report--;
- }
-
- num_indices = 0;
- next_index = 0;
- }
- }
-}
-
-VideoDX9IndexBuffer::~VideoDX9IndexBuffer()
-{
- RELEASE(index_buffer);
-}
-
-// +--------------------------------------------------------------------+
-
-WORD*
-VideoDX9IndexBuffer::Lock(UINT count)
-{
- if (index_buffer && count <= num_indices) {
- DWORD flags = 0;
-
- if (count == 0)
- count = num_indices;
-
- if (is_dynamic) {
- flags = D3DLOCK_NOOVERWRITE;
-
- if (next_index + count > num_indices) {
- next_index = 0;
- flags = D3DLOCK_DISCARD;
- }
- }
-
- void* result = 0;
- HRESULT hr = 0;
-
- hr = index_buffer->Lock(next_index * 2,
- count * 2,
- &result,
- flags);
-
- if (SUCCEEDED(hr)) {
- num_locked = count;
- return (WORD*) result;
- }
- }
-
- return 0;
-}
-
-void
-VideoDX9IndexBuffer::Unlock()
-{
- if (index_buffer && num_locked > 0) {
- index_buffer->Unlock();
-
- next_index += num_locked;
- num_locked = 0;
- }
-}
-
-bool
-VideoDX9IndexBuffer::Select()
-{
- if (video && index_buffer) {
- if (num_locked > 0)
- Unlock();
-
- HRESULT hr = video->D3DDevice()->SetIndices(index_buffer);
-
- if (SUCCEEDED(hr))
- return true;
- }
-
- return false;
-}
-
-// +--------------------------------------------------------------------+
-
-UINT
-VideoDX9IndexBuffer::GetNumIndices() const
-{
- return num_indices;
-}
-
-UINT
-VideoDX9IndexBuffer::GetNextIndex() const
-{
- return next_index;
-}
-
+/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + 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 "Destroyer Studios" 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 HOLDER 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. + + SUBSYSTEM: nGenEx.lib + FILE: VideoDX9VertexBuffer.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Direct3D Video class for DirectX 9 +*/ + +#include "MemDebug.h" +#include "VideoDX9VertexBuffer.h" +#include "Color.h" + +// +--------------------------------------------------------------------+ + +void VideoDX9Error(const char* msg, HRESULT dderr); +extern int VD3D_describe_things; + +#ifndef RELEASE +#define RELEASE(x) if (x) { x->Release(); x=NULL; } +#endif + +// +--------------------------------------------------------------------+ + +VideoDX9VertexBuffer::VideoDX9VertexBuffer(VideoDX9* dx9, +UINT nverts, +UINT vsize, +DWORD format, +DWORD usage) +: video(dx9), vertex_buffer(0), +num_verts(nverts), num_locked(0), vert_size(vsize), next_vert(0), +is_dynamic(false) +{ + UINT len = num_verts * vert_size; + + if (video && len) { + is_dynamic = (usage & D3DUSAGE_DYNAMIC) ? true : false; + D3DPOOL pool = is_dynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED; + + HRESULT hr = video->D3DDevice()->CreateVertexBuffer(len, + usage, + format, + pool, + &vertex_buffer, + 0); + + if (FAILED(hr)) { + static int report = 10; + if (report) { + VideoDX9Error("Could not create vertex buffer.", hr); + report--; + } + + num_verts = 0; + vert_size = 0; + next_vert = 0; + } + } +} + +VideoDX9VertexBuffer::~VideoDX9VertexBuffer() +{ + RELEASE(vertex_buffer); +} + +// +--------------------------------------------------------------------+ + +BYTE* +VideoDX9VertexBuffer::Lock(UINT count) +{ + if (vertex_buffer && count <= num_verts) { + DWORD flags = 0; + + if (count == 0) + count = num_verts; + + if (is_dynamic) { + flags = D3DLOCK_NOOVERWRITE; + + if (next_vert + count > num_verts) { + next_vert = 0; + flags = D3DLOCK_DISCARD; + } + } + + void* result = 0; + HRESULT hr = 0; + + hr = vertex_buffer->Lock(next_vert * vert_size, + count * vert_size, + &result, + flags); + + if (SUCCEEDED(hr)) { + num_locked = count; + return (BYTE*) result; + } + } + + return 0; +} + +void +VideoDX9VertexBuffer::Unlock() +{ + if (vertex_buffer && num_locked > 0) { + vertex_buffer->Unlock(); + + next_vert += num_locked; + num_locked = 0; + } +} + +bool +VideoDX9VertexBuffer::Select(int stream) +{ + if (video && vertex_buffer) { + HRESULT hr = E_FAIL; + + if (num_locked > 0) + Unlock(); + + hr = video->D3DDevice()->SetStreamSource(stream, + vertex_buffer, + 0, + vert_size); + + if (SUCCEEDED(hr)) + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ + +UINT +VideoDX9VertexBuffer::GetNumVerts() const +{ + return num_verts; +} + +UINT +VideoDX9VertexBuffer::GetVertSize() const +{ + return vert_size; +} + +UINT +VideoDX9VertexBuffer::GetNextVert() const +{ + return next_vert; +} + + +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ + + +VideoDX9IndexBuffer::VideoDX9IndexBuffer(VideoDX9* dx9, +UINT nind, +DWORD usage) +: video(dx9), index_buffer(0), +num_indices(nind), num_locked(0), next_index(0), +is_dynamic(false) +{ + UINT len = num_indices * sizeof(WORD); + + if (video && len) { + is_dynamic = (usage & D3DUSAGE_DYNAMIC) ? true : false; + D3DPOOL pool = is_dynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED; + + HRESULT hr = video->D3DDevice()->CreateIndexBuffer(len, + usage, + D3DFMT_INDEX16, + pool, + &index_buffer, + 0); + + if (FAILED(hr)) { + static int report = 10; + if (report) { + VideoDX9Error("Could not create index buffer.", hr); + report--; + } + + num_indices = 0; + next_index = 0; + } + } +} + +VideoDX9IndexBuffer::~VideoDX9IndexBuffer() +{ + RELEASE(index_buffer); +} + +// +--------------------------------------------------------------------+ + +WORD* +VideoDX9IndexBuffer::Lock(UINT count) +{ + if (index_buffer && count <= num_indices) { + DWORD flags = 0; + + if (count == 0) + count = num_indices; + + if (is_dynamic) { + flags = D3DLOCK_NOOVERWRITE; + + if (next_index + count > num_indices) { + next_index = 0; + flags = D3DLOCK_DISCARD; + } + } + + void* result = 0; + HRESULT hr = 0; + + hr = index_buffer->Lock(next_index * 2, + count * 2, + &result, + flags); + + if (SUCCEEDED(hr)) { + num_locked = count; + return (WORD*) result; + } + } + + return 0; +} + +void +VideoDX9IndexBuffer::Unlock() +{ + if (index_buffer && num_locked > 0) { + index_buffer->Unlock(); + + next_index += num_locked; + num_locked = 0; + } +} + +bool +VideoDX9IndexBuffer::Select() +{ + if (video && index_buffer) { + if (num_locked > 0) + Unlock(); + + HRESULT hr = video->D3DDevice()->SetIndices(index_buffer); + + if (SUCCEEDED(hr)) + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ + +UINT +VideoDX9IndexBuffer::GetNumIndices() const +{ + return num_indices; +} + +UINT +VideoDX9IndexBuffer::GetNextIndex() const +{ + return next_index; +} + |