Initial upload of PGXP.

5 files changed, 133 insertions, 0 deletions

diff --git a/win32/plugins/peopsxgl/gpuPeopsOpenGL.def b/win32/plugins/peopsxgl/gpuPeopsOpenGL.def
index 17d2e66c..83d853a7 100755
--- a/win32/plugins/peopsxgl/gpuPeopsOpenGL.def
+++ b/win32/plugins/peopsxgl/gpuPeopsOpenGL.def
@@ -34,3 +34,4 @@ EXPORTS
 	GPUsetframelimit    @27
 	GPUvisualVibration  @28
 	GPUaddVertex        @29
+	GPUpgxpMemory		@30
diff --git a/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj b/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj
index b72348bd..f65ce2cb 100755
--- a/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj
+++ b/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj
@@ -152,6 +152,7 @@
     </PostBuildEvent>

   </ItemDefinitionGroup>

   <ItemGroup>

+    <ClCompile Include="pgxp_gpu.c" />

     <ClCompile Include="winsrc\cfg.c">

       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

       <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(PreprocessorDefinitions)</PreprocessorDefinitions>

@@ -221,6 +222,7 @@
     </ClCompile>

   </ItemGroup>

   <ItemGroup>

+    <ClInclude Include="pgxp_gpu.h" />

     <ClInclude Include="winsrc\ssave.h" />

     <ClInclude Include="..\..\..\plugins\peopsxgl\cfg.h" />

     <ClInclude Include="..\..\..\plugins\peopsxgl\draw.h" />

diff --git a/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj.filters b/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj.filters
index 69b2b9b9..d34a9a34 100755
--- a/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj.filters
+++ b/win32/plugins/peopsxgl/gpuPeopsOpenGL.vcxproj.filters
@@ -45,6 +45,9 @@
     <ClCompile Include="..\..\..\plugins\peopsxgl\texture.c">

       <Filter>peopsxgl</Filter>

     </ClCompile>

+    <ClCompile Include="pgxp_gpu.c">

+      <Filter>peopsxgl</Filter>

+    </ClCompile>

   </ItemGroup>

   <ItemGroup>

     <ClInclude Include="winsrc\ssave.h">

@@ -90,6 +93,9 @@
       <Filter>peopsxgl</Filter>

     </ClInclude>

     <ClInclude Include="resource.h" />

+    <ClInclude Include="pgxp_gpu.h">

+      <Filter>peopsxgl</Filter>

+    </ClInclude>

   </ItemGroup>

   <ItemGroup>

     <None Include="res\gpu.bmp" />

diff --git a/win32/plugins/peopsxgl/pgxp_gpu.c b/win32/plugins/peopsxgl/pgxp_gpu.c
new file mode 100644
index 00000000..5b64382a
--- /dev/null
+++ b/win32/plugins/peopsxgl/pgxp_gpu.c
@@ -0,0 +1,90 @@
+/***************************************************************************

+*   Copyright (C) 2016 by iCatButler                                      *

+*                                                                         *

+*   This program is free software; you can redistribute it and/or modify  *

+*   it under the terms of the GNU General Public License as published by  *

+*   the Free Software Foundation; either version 2 of the License, or     *

+*   (at your option) any later version.                                   *

+*                                                                         *

+*   This program is distributed in the hope that it will be useful,       *

+*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

+*   GNU General Public License for more details.                          *

+*                                                                         *

+*   You should have received a copy of the GNU General Public License     *

+*   along with this program; if not, write to the                         *

+*   Free Software Foundation, Inc.,                                       *

+*   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *

+***************************************************************************/

+

+/**************************************************************************

+*	pgxp_gpu.c

+*	PGXP - Parallel/Precision Geometry Xform Pipeline

+*

+*	Created on: 25 Mar 2016

+*      Author: iCatButler

+***************************************************************************/

+

+#include "pgxp_gpu.h"

+#include "stdafx.h"

+#include "externals.h"

+

+#include <math.h>

+

+typedef struct

+{

+	float	x;

+	float	y;

+	float	z;

+	unsigned int	valid;

+	unsigned int	count;

+} PGXP_vertex;

+

+const unsigned int primStrideTable[] = { 1, 2, 1, 2, 2, 3, 2, 3, 0 };

+const unsigned int primCountTable[] = { 3, 3, 4, 4, 3, 3, 4, 4, 0 };

+

+PGXP_vertex*	PGXP_Mem = NULL;	// pointer to parallel memory

+unsigned int	currentAddr = 0;	// address of current DMA

+

+// Set current DMA address and pointer to parallel memory

+void CALLBACK GPUpgxpMemory(unsigned int addr, unsigned char* pVRAM)

+{

+	if (pVRAM)

+		PGXP_Mem = (PGXP_vertex*)(pVRAM);

+	currentAddr = addr;

+}

+

+// Set current DMA address

+void PGXP_SetAddress(unsigned int addr)

+{

+	currentAddr = addr;

+}

+

+// Get parallel vertex values

+int PGXP_GetVertices(unsigned int* addr, void* pOutput)

+{

+	unsigned int	primCmd		= ((*addr >> 24) & 0xff);		// primitive command

+	unsigned int	primIdx		= (primCmd - 0x20) >> 2;		// index to primitive lookup

+	OGLVertex*		pVertex		= (OGLVertex*)pOutput;			// pointer to output vertices

+	unsigned int	stride		= primStrideTable[primIdx];		// stride between vertices

+	unsigned int	count		= primCountTable[primIdx];		// number of vertices

+	PGXP_vertex*	primStart	= NULL;							// pointer to first vertex

+

+	if (PGXP_Mem == NULL)

+		return 0;

+

+	// Offset to start of primitive

+	primStart = &PGXP_Mem[currentAddr + 1];

+

+	for (unsigned i = 0; i < count; ++i)

+	{

+		if (primStart[stride * i].valid)

+		{

+			pVertex[i].x = primStart[stride * i].x;

+			pVertex[i].y = primStart[stride * i].y;

+		}

+	}

+

+	return 1;

+}

+

diff --git a/win32/plugins/peopsxgl/pgxp_gpu.h b/win32/plugins/peopsxgl/pgxp_gpu.h
new file mode 100644
index 00000000..1777dc19
--- /dev/null
+++ b/win32/plugins/peopsxgl/pgxp_gpu.h
@@ -0,0 +1,34 @@
+/***************************************************************************

+*   Copyright (C) 2016 by iCatButler                                      *

+*                                                                         *

+*   This program is free software; you can redistribute it and/or modify  *

+*   it under the terms of the GNU General Public License as published by  *

+*   the Free Software Foundation; either version 2 of the License, or     *

+*   (at your option) any later version.                                   *

+*                                                                         *

+*   This program is distributed in the hope that it will be useful,       *

+*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

+*   GNU General Public License for more details.                          *

+*                                                                         *

+*   You should have received a copy of the GNU General Public License     *

+*   along with this program; if not, write to the                         *

+*   Free Software Foundation, Inc.,                                       *

+*   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *

+***************************************************************************/

+

+/**************************************************************************

+*	pgxp_gpu.h

+*	PGXP - Parallel/Precision Geometry Xform Pipeline

+*

+*	Created on: 25 Mar 2016

+*      Author: iCatButler

+***************************************************************************/
+
+#ifndef _PGXP_GPU_H_
+#define _PGXP_GPU_H_
+
+void	PGXP_SetAddress(unsigned int addr);
+int		PGXP_GetVertices(unsigned int* addr, void* pOutput);
+
+#endif // _PGXP_GPU_H_