diff options
author | Zou Nan hai <nanhai.zou@intel.com> | 2007-07-04 10:52:35 +0800 |
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committer | Zou Nan hai <nanhai.zou@intel.com> | 2007-07-04 10:52:35 +0800 |
commit | fb9ee9b323bff93973a39560b2bc007aace4bddd (patch) | |
tree | 05e1e72e8f4d321cde2c48b8518e6d9736c680dd /src/mesa/drivers/dri/nouveau/nv30_state.c | |
parent | 285b326c606e9b2f90e4fe177b15b3fa23239b86 (diff) | |
parent | 7ff4359a3be1278b26950f96ab23014a667af838 (diff) |
Merge branch 'master' of git+ssh://znh@git.freedesktop.org/git/mesa/mesa into 965-glsl
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv30_state.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv30_state.c | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv30_state.c b/src/mesa/drivers/dri/nouveau/nv30_state.c index ad21fa2730..9b010954b3 100644 --- a/src/mesa/drivers/dri/nouveau/nv30_state.c +++ b/src/mesa/drivers/dri/nouveau/nv30_state.c @@ -639,25 +639,45 @@ 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 nv30WindowCoords(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 nv30Scissor(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) { - x = y = 0; - w = h = 4095; + wX = nmesa->drawX; + wY = nmesa->drawY; + wW = nmesa->drawW; + wH = nmesa->drawH; } else { - x += nmesa->drawX; - y += nmesa->drawY; + nv30WindowCoords(nmesa, x, y, w, h, &wX, &wY, &wW, &wH); } BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_SCISSOR_WIDTH_XPOS, 2); - OUT_RING_CACHE(((w) << 16) | x); - OUT_RING_CACHE(((h) << 16) | y); + OUT_RING_CACHE ((wW << 16) | wX); + OUT_RING_CACHE ((wH << 16) | wY); } /** Select flat or smooth shading */ @@ -751,19 +771,21 @@ static void nv30WindowMoved(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; + nv30WindowCoords(nmesa, ctx->Viewport.X, ctx->Viewport.Y, + ctx->Viewport.Width, ctx->Viewport.Height, + &wX, &wY, &wW, &wH); BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VIEWPORT_DIMS_0, 2); - OUT_RING_CACHE((w << 16) | x); - OUT_RING_CACHE((h << 16) | y); + OUT_RING_CACHE ((wW << 16) | wX); + OUT_RING_CACHE ((wH << 16) | wY); + /* something to do with clears, possibly doesn't belong here */ BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VIEWPORT_COLOR_BUFFER_OFS0, 2); - OUT_RING_CACHE(((w+x) << 16) | x); - OUT_RING_CACHE(((h+y) << 16) | y); + OUT_RING_CACHE(((nmesa->drawX + nmesa->drawW) << 16) | nmesa->drawX); + OUT_RING_CACHE(((nmesa->drawY + nmesa->drawH) << 16) | nmesa->drawY); + /* viewport transform */ BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VIEWPORT_XFRM_OX, 8); OUT_RING_CACHEf (v[MAT_TX]); @@ -786,7 +808,7 @@ static GLboolean nv30InitCard(nouveauContextPtr nmesa) BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_SET_OBJECT1, 3); OUT_RING(NvDmaFB); - OUT_RING(NvDmaAGP); + OUT_RING(NvDmaTT); OUT_RING(NvDmaFB); BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_SET_OBJECT8, 1); OUT_RING(NvDmaFB); |