Added the beginnings of state (not much there yet). Fixed some includes.

1 files changed, 140 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_state.c b/src/mesa/drivers/dri/nouveau/nouveau_state.c
new file mode 100644
index 00000000000..c88b33b8847
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state.c
@@ -0,0 +1,140 @@
+/**************************************************************************
+
+Copyright 2006 Jeremy Kolb
+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 without limitation
+on the rights to use, copy, modify, merge, publish, 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
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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.
+
+**************************************************************************/
+
+#include "nouveau_context.h"
+#include "nouveau_state.h"
+#include "nouveau_ioctl.h"
+#include "nouveau_tris.h"
+
+#include "swrast/swrast.h"
+#include "array_cache/acache.h"
+#include "tnl/tnl.h"
+#include "swrast_setup/swrast_setup.h"
+
+#include "tnl/t_pipeline.h"
+
+static void nouveauCalcViewport(GLcontext *ctx)
+{
+    /* Calculate the Viewport Matrix */
+    
+/* Taken from the intel driver
+    nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+    const GLfloat *v = ctx->Viewport._WindowMap.m;
+    GLfloat *m = nmesa->ViewportMatrix.m;
+    GLint h = 0;
+    
+    if (nmesa->driDrawable) 
+       h = nmesa->driDrawable->h + SUBPIXEL_Y;
+    
+    m[MAT_SX] =   v[MAT_SX];
+    m[MAT_TX] =   v[MAT_TX] + SUBPIXEL_X;
+    m[MAT_SY] = - v[MAT_SY];
+    m[MAT_TY] = - v[MAT_TY] + h;
+    m[MAT_SZ] =   v[MAT_SZ] * nmesa->depth_scale;
+    m[MAT_TZ] =   v[MAT_TZ] * nmesa->depth_scale;
+*/
+}
+
+static nouveauViewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+    /* 
+     * Need to send (at least on an nv35 the following:
+     * cons = 4 (this may be bytes per pixel)
+     *
+     * The viewport:
+     * 445   0x0000bee0   {size: 0x0   channel: 0x1   cmd: 0x00009ee0} <-- VIEWPORT_SETUP/HEADER ?
+     * 446   0x00000000   {size: 0x0   channel: 0x0   cmd: 0x00000000} <-- x * cons
+     * 447   0x00000c80   {size: 0x0   channel: 0x0   cmd: 0x00000c80} <-- (height + x) * cons
+     * 448   0x00000000   {size: 0x0   channel: 0x0   cmd: 0x00000000} <-- y * cons
+     * 449   0x00000960   {size: 0x0   channel: 0x0   cmd: 0x00000960} <-- (width + y) * cons
+     * 44a   0x00082a00   {size: 0x2   channel: 0x1   cmd: 0x00000a00} <-- VIEWPORT_DIMS
+     * 44b   0x04000000  <-- (Width_from_glViewport << 16) | x
+     * 44c   0x03000000  <-- (Height_from_glViewport << 16) | (win_height - height - y)
+     *
+     */
+
+}
+
+/* Initialize the context's hardware state. */
+void nouveauDDInitState(nouveauContextPtr nmesa)
+{
+
+}
+
+/* Initialize the driver's state functions */
+void nouveauDDInitStateFuncs(GLcontext *ctx)
+{
+   ctx->Driver.UpdateState		= NULL; //nouveauDDInvalidateState;
+
+   ctx->Driver.ClearIndex		= NULL;
+   ctx->Driver.ClearColor		= NULL; //nouveauDDClearColor;
+   ctx->Driver.ClearStencil		= NULL; //nouveauDDClearStencil;
+   ctx->Driver.DrawBuffer		= NULL; //nouveauDDDrawBuffer;
+   ctx->Driver.ReadBuffer		= NULL; //nouveauDDReadBuffer;
+
+   ctx->Driver.IndexMask		= NULL;
+   ctx->Driver.ColorMask		= NULL; //nouveauDDColorMask;
+   ctx->Driver.AlphaFunc		= NULL; //nouveauDDAlphaFunc;
+   ctx->Driver.BlendEquationSeparate	= NULL; //nouveauDDBlendEquationSeparate;
+   ctx->Driver.BlendFuncSeparate	= NULL; //nouveauDDBlendFuncSeparate;
+   ctx->Driver.ClearDepth		= NULL; //nouveauDDClearDepth;
+   ctx->Driver.CullFace			= NULL; //nouveauDDCullFace;
+   ctx->Driver.FrontFace		= NULL; //nouveauDDFrontFace;
+   ctx->Driver.DepthFunc		= NULL; //nouveauDDDepthFunc;
+   ctx->Driver.DepthMask		= NULL; //nouveauDDDepthMask;
+   ctx->Driver.Enable			= NULL; //nouveauDDEnable;
+   ctx->Driver.Fogfv			= NULL; //nouveauDDFogfv;
+   ctx->Driver.Hint			= NULL;
+   ctx->Driver.Lightfv			= NULL;
+   ctx->Driver.LightModelfv		= NULL; //nouveauDDLightModelfv;
+   ctx->Driver.LogicOpcode		= NULL; //nouveauDDLogicOpCode;
+   ctx->Driver.PolygonMode		= NULL;
+   ctx->Driver.PolygonStipple		= NULL; //nouveauDDPolygonStipple;
+   ctx->Driver.RenderMode		= NULL; //nouveauDDRenderMode;
+   ctx->Driver.Scissor			= NULL; //nouveauDDScissor;
+   ctx->Driver.ShadeModel		= NULL; //nouveauDDShadeModel;
+   ctx->Driver.StencilFuncSeparate	= NULL; //nouveauDDStencilFuncSeparate;
+   ctx->Driver.StencilMaskSeparate	= NULL; //nouveauDDStencilMaskSeparate;
+   ctx->Driver.StencilOpSeparate	= NULL; //nouveauDDStencilOpSeparate;
+
+   ctx->Driver.DepthRange               = NULL; //nouveauDepthRange;
+   ctx->Driver.Viewport                 = nouveauViewport;
+
+   /* Pixel path fallbacks.
+    */
+   ctx->Driver.Accum = _swrast_Accum;
+   ctx->Driver.Bitmap = _swrast_Bitmap;
+   ctx->Driver.CopyPixels = _swrast_CopyPixels;
+   ctx->Driver.DrawPixels = _swrast_DrawPixels;
+   ctx->Driver.ReadPixels = _swrast_ReadPixels;
+
+   /* Swrast hooks for imaging extensions:
+    */
+   ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
+   ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
+   ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
+   ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+}