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authorPatrice Mandin <pmandin@caramail.com>2007-08-25 12:36:03 +0200
committerPatrice Mandin <pmandin@caramail.com>2007-08-25 12:36:03 +0200
commit40ecc4a359fb587627fee44a13192a0c20b03b8e (patch)
tree167cfb7baef4eb9bd6c8ef9a51765f04500f9409 /src/mesa/drivers
parent1a911aad0a31b2d043a524e5d6f766fbb38142d7 (diff)
nouveau: nv10: add a scissor func, do not cache viewport settings
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/nouveau/nv10_state.c96
1 files changed, 68 insertions, 28 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c
index 6d9ddd55d4..d3331ac970 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state.c
@@ -59,20 +59,21 @@ static void nv10ViewportScale(nouveauContextPtr nmesa)
break;
}
- BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_SCALE_X, 4);
- OUT_RING_CACHEf (w - 2048.0);
- OUT_RING_CACHEf (h - 2048.0);
- OUT_RING_CACHEf (max_depth);
- OUT_RING_CACHEf (0.0);
+ BEGIN_RING_SIZE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_SCALE_X, 4);
+ OUT_RINGf (w - 2048.0);
+ OUT_RINGf (h - 2048.0);
+ OUT_RINGf (max_depth);
+ OUT_RINGf (0.0);
+ /* FIXME: should multiply by gl projection and modelview ? */
memset(projection, 0, sizeof(projection));
projection[0*4+0] = w;
projection[1*4+1] = -h;
projection[2*4+2] = max_depth;
projection[3*4+3] = 1.0;
- BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_PROJECTION_MATRIX(0), 16);
+ BEGIN_RING_SIZE(NvSub3D, NV10_TCL_PRIMITIVE_3D_PROJECTION_MATRIX(0), 16);
for (i=0; i<16; i++) {
- OUT_RING_CACHEf (projection[i]);
+ OUT_RINGf (projection[i]);
}
}
@@ -637,9 +638,52 @@ void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
/** Set rasterization mode */
void (*RenderMode)(GLcontext *ctx, GLenum mode );
+/* Translate GL coords to window coords, clamping w/h to the
+ * dimensions of the window.
+ */
+static void nv10WindowCoords(nouveauContextPtr nmesa,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLuint *wX, GLuint *wY, GLuint *wW, GLuint *wH)
+{
+ if ((x+w) > nmesa->drawW)
+ w = nmesa->drawW - x;
+ (*wX) = x + nmesa->drawX;
+ (*wW) = w;
+
+ if ((y+h) > nmesa->drawH)
+ h = nmesa->drawH - y;
+ (*wY) = (nmesa->drawH - y) - h + nmesa->drawY;
+ (*wH) = h;
+}
+
/** Define the scissor box */
static void nv10Scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+ GLuint wX, wY, wW, wH;
+
+ /* There's no scissor enable bit, so adjust the scissor to cover the
+ * maximum draw buffer bounds
+ */
+ if (!ctx->Scissor.Enabled) {
+ wX = nmesa->drawX;
+ wY = nmesa->drawY;
+ wW = nmesa->drawW;
+ wH = nmesa->drawH;
+ } else {
+ nv10WindowCoords(nmesa, x, y, w, h, &wX, &wY, &wW, &wH);
+ }
+
+ if (!wW || !wH) {
+ return;
+ }
+
+ BEGIN_RING_SIZE(NvSub3D,
+ NV10_TCL_PRIMITIVE_3D_VIEWPORT_CLIP_HORIZ(0), 1);
+ OUT_RING(((wW+wX-1) << 16) | wX | 0x08000800);
+ BEGIN_RING_SIZE(NvSub3D,
+ NV10_TCL_PRIMITIVE_3D_VIEWPORT_CLIP_VERT(0), 1);
+ OUT_RING(((wH+wY-1) << 16) | wY | 0x08000800);
}
/** Select flat or smooth shading */
@@ -711,23 +755,20 @@ static void nv10WindowMoved(nouveauContextPtr nmesa)
{
GLcontext *ctx = nmesa->glCtx;
GLfloat *v = nmesa->viewport.m;
- GLuint w = ctx->Viewport.Width;
- GLuint h = ctx->Viewport.Height;
- GLuint x = ctx->Viewport.X + nmesa->drawX;
- GLuint y = ctx->Viewport.Y + nmesa->drawY;
+ GLuint wX, wY, wW, wH;
- BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_HORIZ, 2);
- OUT_RING_CACHE((w << 16) | x);
- OUT_RING_CACHE((h << 16) | y);
+ nv10WindowCoords(nmesa, ctx->Viewport.X, ctx->Viewport.Y,
+ ctx->Viewport.Width, ctx->Viewport.Height,
+ &wX, &wY, &wW, &wH);
- BEGIN_RING_CACHE(NvSub3D,
- NV10_TCL_PRIMITIVE_3D_VIEWPORT_CLIP_HORIZ(0), 1);
- OUT_RING_CACHE(((w+x-1) << 16) | x | 0x08000800);
- BEGIN_RING_CACHE(NvSub3D,
- NV10_TCL_PRIMITIVE_3D_VIEWPORT_CLIP_VERT(0), 1);
- OUT_RING_CACHE(((h+y-1) << 16) | y | 0x08000800);
+ BEGIN_RING_SIZE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_HORIZ, 2);
+ OUT_RING((wW << 16) | wX);
+ OUT_RING((wH << 16) | wY);
nv10ViewportScale(nmesa);
+
+ ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
+ ctx->Scissor.Width, ctx->Scissor.Height);
}
/* Initialise any card-specific non-GL related state */
@@ -902,21 +943,20 @@ static GLboolean nv10BindBuffers(nouveauContextPtr nmesa, int num_color,
if (num_color != 1)
return GL_FALSE;
- BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_HORIZ, 6);
- OUT_RING_CACHE((w << 16) | x);
- OUT_RING_CACHE((h << 16) | y);
+ BEGIN_RING_SIZE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_HORIZ, 6);
+ OUT_RING((w << 16) | x);
+ OUT_RING((h << 16) | y);
depth_pitch = (depth ? depth->pitch : color[0]->pitch);
pitch = (depth_pitch<<16) | color[0]->pitch;
format = 0x108;
if (color[0]->mesa._ActualFormat != GL_RGBA8) {
format = 0x103; /* R5G6B5 color buffer */
}
- OUT_RING_CACHE(format);
- OUT_RING_CACHE(pitch);
- OUT_RING_CACHE(color[0]->offset);
- OUT_RING_CACHE(depth ? depth->offset : color[0]->offset);
+ OUT_RING(format);
+ OUT_RING(pitch);
+ OUT_RING(color[0]->offset);
+ OUT_RING(depth ? depth->offset : color[0]->offset);
- nv10ViewportScale(nmesa);
return GL_TRUE;
}