+ BEGIN_CS(size);
+ OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
+ OUT_CS_TABLE(&viewport->xscale, 6);
+ OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
+ END_CS;
+}
+
+static void r300_emit_hiz_line_clear(struct r300_context *r300, int start, uint16_t count, uint32_t val)
+{
+ CS_LOCALS(r300);
+ BEGIN_CS(4);
+ OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_HIZ, 2);
+ OUT_CS(start);
+ OUT_CS(count);
+ OUT_CS(val);
+ END_CS;
+}
+
+static void r300_emit_zmask_line_clear(struct r300_context *r300, int start, uint16_t count, uint32_t val)
+{
+ CS_LOCALS(r300);
+ BEGIN_CS(4);
+ OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_ZMASK, 2);
+ OUT_CS(start);
+ OUT_CS(count);
+ OUT_CS(val);
+ END_CS;
+}
+
+#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
+
+void r300_emit_hiz_clear(struct r300_context *r300, unsigned size, void *state)
+{
+ struct pipe_framebuffer_state *fb =
+ (struct pipe_framebuffer_state*)r300->fb_state.state;
+ struct r300_hyperz_state *z =
+ (struct r300_hyperz_state*)r300->hyperz_state.state;
+ struct r300_screen* r300screen = r300->screen;
+ uint32_t stride, offset = 0, height, offset_shift;
+ struct r300_texture* tex;
+ int i;
+
+ tex = r300_texture(fb->zsbuf->texture);
+
+ offset = tex->hiz_mem[fb->zsbuf->level]->ofs;
+ stride = tex->desc.stride_in_pixels[fb->zsbuf->level];
+
+ /* convert from pixels to 4x4 blocks */
+ stride = ALIGN_DIVUP(stride, 4);
+
+ stride = ALIGN_DIVUP(stride, r300screen->caps.num_frag_pipes);
+ /* there are 4 blocks per dwords */
+ stride = ALIGN_DIVUP(stride, 4);
+
+ height = ALIGN_DIVUP(fb->zsbuf->height, 4);
+
+ offset_shift = 2;
+ offset_shift += (r300screen->caps.num_frag_pipes / 2);
+
+ for (i = 0; i < height; i++) {
+ offset = i * stride;
+ offset <<= offset_shift;
+ r300_emit_hiz_line_clear(r300, offset, stride, 0xffffffff);
+ }
+ z->current_func = -1;
+
+ /* Mark the current zbuffer's hiz ram as in use. */
+ tex->hiz_in_use[fb->zsbuf->level] = TRUE;
+}
+
+void r300_emit_zmask_clear(struct r300_context *r300, unsigned size, void *state)
+{
+ struct pipe_framebuffer_state *fb =
+ (struct pipe_framebuffer_state*)r300->fb_state.state;
+ struct r300_screen* r300screen = r300->screen;
+ uint32_t stride, offset = 0;
+ struct r300_texture* tex;
+ uint32_t i, height;
+ int mult, offset_shift;
+
+ tex = r300_texture(fb->zsbuf->texture);
+ stride = tex->desc.stride_in_pixels[fb->zsbuf->level];
+
+ offset = tex->zmask_mem[fb->zsbuf->level]->ofs;
+
+ if (r300->z_compression == RV350_Z_COMPRESS_88)
+ mult = 8;
+ else
+ mult = 4;
+
+ height = ALIGN_DIVUP(fb->zsbuf->height, mult);
+
+ offset_shift = 4;
+ offset_shift += (r300screen->caps.num_frag_pipes / 2);
+ stride = ALIGN_DIVUP(stride, r300screen->caps.num_frag_pipes);
+
+ /* okay have width in pixels - divide by block width */
+ stride = ALIGN_DIVUP(stride, mult);
+ /* have width in blocks - divide by number of fragment pipes screen width */
+ /* 16 blocks per dword */
+ stride = ALIGN_DIVUP(stride, 16);
+
+ for (i = 0; i < height; i++) {
+ offset = i * stride;
+ offset <<= offset_shift;
+ r300_emit_zmask_line_clear(r300, offset, stride, 0x0);//0xffffffff);
+ }
+
+ /* Mark the current zbuffer's zmask as in use. */
+ tex->zmask_in_use[fb->zsbuf->level] = TRUE;