[g3dvl] move z-coord generation for multiple render targets into vertex shader

[mesa.git] / src / gallium / drivers / r300 / r300_emit.c

diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index b2b34c3efcbec6071da4cb3cc9b5bf89377d97bc..c187f115da43a7c756480366a076e2cdef783f9c 100644 (file)
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -89,7 +89,7 @@ static const float * get_rc_constant_state(
 {
     struct r300_textures_state* texstate = r300->textures_state.state;
     static float vec[4] = { 0.0, 0.0, 0.0, 1.0 };
-    struct pipe_resource *tex;
+    struct r300_texture *tex;
 
     assert(constant->Type == RC_CONSTANT_STATE);
 
@@ -97,9 +97,17 @@ static const float * get_rc_constant_state(
         /* Factor for converting rectangle coords to
          * normalized coords. Should only show up on non-r500. */
         case RC_STATE_R300_TEXRECT_FACTOR:
-            tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
-            vec[0] = 1.0 / tex->width0;
-            vec[1] = 1.0 / tex->height0;
+            tex = r300_texture(texstate->sampler_views[constant->u.State[1]]->base.texture);
+            vec[0] = 1.0 / tex->desc.width0;
+            vec[1] = 1.0 / tex->desc.height0;
+            break;
+
+        case RC_STATE_R300_TEXSCALE_FACTOR:
+            tex = r300_texture(texstate->sampler_views[constant->u.State[1]]->base.texture);
+            /* Add a small number to the texture size to work around rounding errors in hw. */
+            vec[0] = tex->desc.b.b.width0  / (tex->desc.width0  + 0.001f);
+            vec[1] = tex->desc.b.b.height0 / (tex->desc.height0 + 0.001f);
+            vec[2] = tex->desc.b.b.depth0  / (tex->desc.depth0  + 0.001f);
             break;
 
         case RC_STATE_R300_VIEWPORT_SCALE:
@@ -350,7 +358,7 @@ void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
     struct pipe_framebuffer_state* fb = (struct pipe_framebuffer_state*)state;
     struct r300_surface* surf;
     unsigned i;
-    boolean has_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ);
+    boolean can_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ);
     CS_LOCALS(r300);
 
     BEGIN_CS(size);
@@ -403,7 +411,7 @@ void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
         OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH, 1);
         OUT_CS_RELOC(surf->buffer, surf->pitch, 0, surf->domain);
 
-        if (has_hyperz) {
+        if (can_hyperz) {
             uint32_t surf_pitch;
             struct r300_texture *tex;
             int level = surf->base.level;
@@ -667,7 +675,7 @@ void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state)
     CS_LOCALS(r300);
 
     BEGIN_CS(size);
-    OUT_CS_TABLE(rs->cb_main, 25);
+    OUT_CS_TABLE(rs->cb_main, RS_STATE_MAIN_SIZE);
     if (rs->polygon_offset_enable) {
         if (r300->zbuffer_bpp == 16) {
             OUT_CS_TABLE(rs->cb_poly_offset_zb16, 5);
@@ -709,6 +717,8 @@ void r300_emit_rs_block_state(struct r300_context* r300,
     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
     OUT_CS(rs->vap_out_vtx_fmt[0]);
     OUT_CS(rs->vap_out_vtx_fmt[1]);
+    OUT_CS_REG_SEQ(R300_GB_ENABLE, 1);
+    OUT_CS(rs->gb_enable);
 
     if (r300->screen->caps.is_r500) {
         OUT_CS_REG_SEQ(R500_RS_IP_0, count);