diff options
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c index d69c6824ed5..e64fcb12f56 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state.c @@ -34,6 +34,29 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #include "mtypes.h" #include "colormac.h" +static void nv10ViewportScale(nouveauContextPtr nmesa) +{ + GLcontext *ctx = nmesa->glCtx; + GLuint w = ctx->Viewport.Width; + GLuint h = ctx->Viewport.Height; + + GLfloat max_depth = (ctx->Viewport.Near + ctx->Viewport.Far) * 0.5; + switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) { + case 16: + max_depth *= 32767.0; + break; + case 24: + max_depth *= 16777215.0; + break; + } + + BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_SCALE_X, 4); + OUT_RING_CACHEf ((((GLfloat) w) * 0.5) - 2048.0); + OUT_RING_CACHEf ((((GLfloat) h) * 0.5) - 2048.0); + OUT_RING_CACHEf (max_depth); + OUT_RING_CACHEf (0.0); +} + static void nv10AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); @@ -167,6 +190,8 @@ static void nv10DepthRange(GLcontext *ctx, GLclampd nearval, GLclampd farval) BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_DEPTH_RANGE_NEAR, 2); OUT_RING_CACHEf(nearval); OUT_RING_CACHEf(farval); + + nv10ViewportScale(nmesa); } /** Specify the current buffer for writing */ @@ -628,18 +653,7 @@ static void nv10WindowMoved(nouveauContextPtr nmesa) OUT_RING_CACHE(0); } - /* viewport transform */ - BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_ORIGIN_X, 4); - OUT_RING_CACHEf ((GLfloat) x); - OUT_RING_CACHEf ((GLfloat) (y+h)); - OUT_RING_CACHEf (0.0); - OUT_RING_CACHEf (0.0); - - BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_SCALE_X, 4); - OUT_RING_CACHEf ((((GLfloat) w) * 0.5) - 2048.0); - OUT_RING_CACHEf ((((GLfloat) h) * 0.5) - 2048.0); - OUT_RING_CACHEf (16777215.0 * 0.5); - OUT_RING_CACHEf (0.0); + nv10ViewportScale(nmesa); } /* Initialise any card-specific non-GL related state */ @@ -700,6 +714,13 @@ static GLboolean nv10BindBuffers(nouveauContextPtr nmesa, int num_color, OUT_RING_CACHE(color[0]->offset); OUT_RING_CACHE(depth ? depth->offset : color[0]->offset); + /* Always set to bottom left of buffer */ + BEGIN_RING_CACHE(NvSub3D, NV10_TCL_PRIMITIVE_3D_VIEWPORT_ORIGIN_X, 4); + OUT_RING_CACHEf (0.0); + OUT_RING_CACHEf ((GLfloat) h); + OUT_RING_CACHEf (0.0); + OUT_RING_CACHEf (0.0); + return GL_TRUE; } |