Henri Verbeet : wined3d: Handle WINED3DSPR_CONSTBUFFER registers in the GLSL shader backend.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4d39cb56fccaa45a9c9d4be7711a28865091acb1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4d39cb56fccaa45a9c9d4be7711a28865091acb1

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Oct  2 22:15:40 2012 +0200

wined3d: Handle WINED3DSPR_CONSTBUFFER registers in the GLSL shader backend.

---

 dlls/wined3d/glsl_shader.c     |   21 ++++++++++++++++++++-
 dlls/wined3d/shader.c          |    8 ++++++++
 dlls/wined3d/wined3d_private.h |    2 ++
 3 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index d344bfa..bc262ec 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -994,6 +994,12 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont
     if (shader->limits.constant_bool > 0 && reg_maps->boolean_constants)
         shader_addline(buffer, "uniform bool %s_b[%u];\n", prefix, shader->limits.constant_bool);
 
+    for (i = 0; i < WINED3D_MAX_CBS; ++i)
+    {
+        if (reg_maps->cb_sizes[i])
+            shader_addline(buffer, "uniform vec4 %s_cb%u[%u];\n", prefix, i, reg_maps->cb_sizes[i]);
+    }
+
     if (!pshader)
     {
         shader_addline(buffer, "uniform vec4 posFixup;\n");
@@ -1530,8 +1536,21 @@ static void shader_glsl_get_register_name(const struct wined3d_shader_register *
             }
             break;
 
+        case WINED3DSPR_CONSTBUFFER:
+            if (reg->rel_addr)
+            {
+                struct glsl_src_param rel_param;
+                shader_glsl_add_src_param(ins, reg->rel_addr, WINED3DSP_WRITEMASK_0, &rel_param);
+                sprintf(register_name, "%s_cb%u[%s + %u]", prefix, reg->idx, rel_param.param_str, reg->array_idx);
+            }
+            else
+            {
+                sprintf(register_name, "%s_cb%u[%u]", prefix, reg->idx, reg->array_idx);
+            }
+            break;
+
         default:
-            FIXME("Unhandled register name Type(%d)\n", reg->type);
+            FIXME("Unhandled register type %#x.\n", reg->type);
             sprintf(register_name, "unrecognized_register");
             break;
     }
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index d07809b..9223dce 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -533,6 +533,14 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const st
                     break;
             }
         }
+        else if (ins.handler_idx == WINED3DSIH_DCL_CONSTANT_BUFFER)
+        {
+            struct wined3d_shader_register *reg = &ins.declaration.src.reg;
+            if (reg->idx >= WINED3D_MAX_CBS)
+                ERR("Invalid CB index %u.\n", reg->idx);
+            else
+                reg_maps->cb_sizes[reg->idx] = reg->array_idx;
+        }
         else if (ins.handler_idx == WINED3DSIH_DEF)
         {
             struct wined3d_shader_lconst *lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(*lconst));
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index b14e85d..b5f0f4d 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -409,6 +409,7 @@ enum wined3d_shader_rel_op
 #define MAX_REG_OUTPUT 32
 #define MAX_CONST_I 16
 #define MAX_CONST_B 16
+#define WINED3D_MAX_CBS 15
 
 /* FIXME: This needs to go up to 2048 for
  * Shader model 3 according to msdn (and for software shaders) */
@@ -571,6 +572,7 @@ struct wined3d_shader_reg_maps
     WORD boolean_constants;                 /* MAX_CONST_B, 16 */
     WORD local_int_consts;                  /* MAX_CONST_I, 16 */
     WORD local_bool_consts;                 /* MAX_CONST_B, 16 */
+    UINT cb_sizes[WINED3D_MAX_CBS];
 
     enum wined3d_sampler_texture_type sampler_type[max(MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS)];
     BYTE bumpmat;                           /* MAX_TEXTURES, 8 */