diff options
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_state.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state.c b/src/mesa/drivers/dri/nouveau/nv20_state.c index 030713c0db..3d8d83a865 100644 --- a/src/mesa/drivers/dri/nouveau/nv20_state.c +++ b/src/mesa/drivers/dri/nouveau/nv20_state.c @@ -78,7 +78,18 @@ static void nv20BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, GLenum dfac static void nv20Clear(GLcontext *ctx, GLbitfield mask) { - /* TODO */ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + GLuint hw_bufs = 0; + + if (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) + hw_bufs |= 0xf0; + if (mask & (BUFFER_BIT_DEPTH)) + hw_bufs |= 0x03; + + if (hw_bufs) { + BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_CLEAR_WHICH_BUFFERS, 1); + OUT_RING_CACHE(hw_bufs); + } } static void nv20ClearColor(GLcontext *ctx, const GLfloat color[4]) @@ -557,9 +568,11 @@ static void nv20Scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) y += nmesa->drawY; } - BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_X2_X1, 2); - OUT_RING_CACHE(((x+w-1) << 16) | x); - OUT_RING_CACHE(((y+h-1) << 16) | y); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_X2_X1, 1); + OUT_RING_CACHE((w << 16) | x ); + BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_Y2_Y1, 1); + OUT_RING_CACHE((h << 16) | y ); + } /** Select flat or smooth shading */ |