From ae600fe0c87c41d9a4d0f58686ec4383f2fb204d Mon Sep 17 00:00:00 2001
From: Stefan Doesinger <stefan@codeweavers.com>
Date: Fri, 29 May 2009 17:24:55 +0200
Subject: [PATCH] wined3d: Implement texldl in ARB.

---
 dlls/wined3d/arb_program_shader.c | 33 ++++++++++++++++++++++++++++++---
 dlls/wined3d/baseshader.c         |  4 ++++
 dlls/wined3d/wined3d_private.h    |  2 +-
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 3bb603b3243..1a9781e3e16 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -951,6 +951,12 @@ static void shader_hw_sample(const struct wined3d_shader_instruction *ins, DWORD
         shader_addline(buffer, "TXD %s, %s, %s, %s, texture[%u], %s;\n", dst_str, coord_reg, dsx, dsy,
                        sampler_idx, tex_type);
     }
+    else if(flags & TEX_LOD)
+    {
+        if(flags & TEX_PROJ) FIXME("Projected texture sampling with explicit lod\n");
+        if(flags & TEX_BIAS) FIXME("Biased texture sampling with explicit lod\n");
+        shader_addline(buffer, "TXL %s, %s, texture[%u], %s;\n", dst_str, coord_reg, sampler_idx, tex_type);
+    }
     else if (flags & TEX_BIAS)
     {
         /* Shouldn't be possible, but let's check for it */
@@ -2399,6 +2405,22 @@ static void shader_hw_texldd(const struct wined3d_shader_instruction *ins)
     shader_hw_sample(ins, sampler_idx, reg_dest, reg_src[0], flags, reg_src[1], reg_src[2]);
 }
 
+static void shader_hw_texldl(const struct wined3d_shader_instruction *ins)
+{
+    DWORD sampler_idx = ins->src[1].reg.idx;
+    char reg_dest[40];
+    char reg_coord[40];
+    DWORD flags = TEX_LOD;
+
+    shader_arb_get_dst_param(ins, &ins->dst[0], reg_dest);
+    shader_arb_get_src_param(ins, &ins->src[0], 0, reg_coord);
+
+    if (ins->flags & WINED3DSI_TEXLD_PROJECT) flags |= TEX_PROJ;
+    if (ins->flags & WINED3DSI_TEXLD_BIAS) flags |= TEX_BIAS;
+
+    shader_hw_sample(ins, sampler_idx, reg_dest, reg_coord, flags, NULL, NULL);
+}
+
 static GLuint create_arb_blt_vertex_program(const WineD3D_GL_Info *gl_info)
 {
     GLuint program_id = 0;
@@ -2603,7 +2625,8 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShaderImpl *This,
      * Testing shows no performance difference between OPTION NV_fragment_program2 and NV_fragment_program.
      * So enable the best we can get.
      */
-    if(reg_maps->usesdsx || reg_maps->usesdsy || reg_maps->loop_depth > 0 || reg_maps->usestexldd)
+    if(reg_maps->usesdsx || reg_maps->usesdsy || reg_maps->loop_depth > 0 || reg_maps->usestexldd ||
+       reg_maps->usestexldl)
     {
         want_nv_prog = TRUE;
     }
@@ -2810,7 +2833,11 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShaderImpl *This,
     /* Always enable the NV extension if available. Unlike fragment shaders, there is no
      * mesurable performance penalty, and we can always make use of it for clipplanes.
      */
-    if(GL_SUPPORT(NV_VERTEX_PROGRAM2_OPTION)) {
+    if(GL_SUPPORT(NV_VERTEX_PROGRAM3)) {
+        shader_addline(buffer, "OPTION NV_vertex_program3;\n");
+        priv_ctx.target_version = NV3;
+        shader_addline(buffer, "ADDRESS aL;\n");
+    } else if(GL_SUPPORT(NV_VERTEX_PROGRAM2_OPTION)) {
         shader_addline(buffer, "OPTION NV_vertex_program2;\n");
         priv_ctx.target_version = NV2;
         shader_addline(buffer, "ADDRESS aL;\n");
@@ -3492,7 +3519,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
     /* WINED3DSIH_TEXDP3TEX     */ pshader_hw_texdp3tex,
     /* WINED3DSIH_TEXKILL       */ pshader_hw_texkill,
     /* WINED3DSIH_TEXLDD        */ shader_hw_texldd,
-    /* WINED3DSIH_TEXLDL        */ NULL,
+    /* WINED3DSIH_TEXLDL        */ shader_hw_texldl,
     /* WINED3DSIH_TEXM3x2DEPTH  */ pshader_hw_texm3x2depth,
     /* WINED3DSIH_TEXM3x2PAD    */ pshader_hw_texm3x2pad,
     /* WINED3DSIH_TEXM3x2TEX    */ pshader_hw_texm3x2tex,
diff --git a/dlls/wined3d/baseshader.c b/dlls/wined3d/baseshader.c
index 49eee0b9452..0d253a429ba 100644
--- a/dlls/wined3d/baseshader.c
+++ b/dlls/wined3d/baseshader.c
@@ -692,6 +692,10 @@ HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3
             {
                 reg_maps->usestexldd = 1;
             }
+            else if(ins.handler_idx == WINED3DSIH_TEXLDL)
+            {
+                reg_maps->usestexldl = 1;
+            }
             else if(ins.handler_idx == WINED3DSIH_MOVA)
             {
                 reg_maps->usesmova = 1;
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 8e089e27ed5..b7aa84d43a6 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -629,7 +629,7 @@ typedef struct shader_reg_maps
 
     WINED3DSAMPLER_TEXTURE_TYPE sampler_type[max(MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS)];
     BOOL bumpmat[MAX_TEXTURES], luminanceparams[MAX_TEXTURES];
-    char usesnrm, vpos, usesdsx, usesdsy, usestexldd, usesmova;
+    char usesnrm, vpos, usesdsx, usesdsy, usestexldd, usesmova, usestexldl;
     char usesrelconstF;
 
     /* Whether or not loops are used in this shader, and nesting depth */
-- 
2.11.4.GIT