=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: wined3d: Add ARB_tessellation_shader extension.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4db17152f5249237c91ee8ed13a6610bde9f6601
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4db17152f5249237c91ee8ed13a6610bde9f6601

Author: Józef Kucia <jkucia at codeweavers.com>
Date:   Tue Apr 25 12:25:40 2017 +0200

wined3d: Add ARB_tessellation_shader extension.

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/directx.c     | 23 +++++++++++++++++++++++
 dlls/wined3d/glsl_shader.c |  1 +
 dlls/wined3d/wined3d_gl.h  |  1 +
 3 files changed, 25 insertions(+)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 0a925f0..d9a9c6f 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -161,6 +161,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_ARB_shadow",                       ARB_SHADOW                    },
     {"GL_ARB_stencil_texturing",            ARB_STENCIL_TEXTURING         },
     {"GL_ARB_sync",                         ARB_SYNC                      },
+    {"GL_ARB_tessellation_shader",          ARB_TESSELLATION_SHADER       },
     {"GL_ARB_texture_border_clamp",         ARB_TEXTURE_BORDER_CLAMP      },
     {"GL_ARB_texture_buffer_object",        ARB_TEXTURE_BUFFER_OBJECT     },
     {"GL_ARB_texture_buffer_range",         ARB_TEXTURE_BUFFER_RANGE      },
@@ -2846,6 +2847,9 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     USE_GL_FUNC(glGetSynciv)
     USE_GL_FUNC(glIsSync)
     USE_GL_FUNC(glWaitSync)
+    /* GL_ARB_tessellation_shader */
+    USE_GL_FUNC(glPatchParameteri)
+    USE_GL_FUNC(glPatchParameterfv)
     /* GL_ARB_texture_buffer_object */
     USE_GL_FUNC(glTexBufferARB)
     /* GL_ARB_texture_buffer_range */
@@ -3633,6 +3637,24 @@ static void wined3d_adapter_init_limits(struct wined3d_gl_info *gl_info)
                     gl_info->limits.uniform_blocks[WINED3D_SHADER_TYPE_VERTEX], gl_max);
         }
     }
+    if (gl_info->supported[ARB_TESSELLATION_SHADER])
+    {
+        gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS, &gl_max);
+        gl_info->limits.uniform_blocks[WINED3D_SHADER_TYPE_HULL] = min(gl_max, WINED3D_MAX_CBS);
+        TRACE("Max hull uniform blocks: %u (%d).\n",
+                gl_info->limits.uniform_blocks[WINED3D_SHADER_TYPE_HULL], gl_max);
+        gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS, &gl_max);
+        gl_info->limits.samplers[WINED3D_SHADER_TYPE_HULL] = gl_max;
+        TRACE("Max hull samplers: %u.\n", gl_info->limits.samplers[WINED3D_SHADER_TYPE_HULL]);
+
+        gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS, &gl_max);
+        gl_info->limits.uniform_blocks[WINED3D_SHADER_TYPE_DOMAIN] = min(gl_max, WINED3D_MAX_CBS);
+        TRACE("Max domain uniform blocks: %u (%d).\n",
+                gl_info->limits.uniform_blocks[WINED3D_SHADER_TYPE_DOMAIN], gl_max);
+        gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS, &gl_max);
+        gl_info->limits.samplers[WINED3D_SHADER_TYPE_DOMAIN] = gl_max;
+        TRACE("Max domain samplers: %u.\n", gl_info->limits.samplers[WINED3D_SHADER_TYPE_DOMAIN]);
+    }
     if ((!gl_info->supported[WINED3D_GL_LEGACY_CONTEXT] || gl_info->supported[ARB_GEOMETRY_SHADER4])
             && gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
     {
@@ -3831,6 +3853,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
         {ARB_VERTEX_TYPE_2_10_10_10_REV,   MAKEDWORD_VERSION(3, 3)},
 
         {ARB_GPU_SHADER5,                  MAKEDWORD_VERSION(4, 0)},
+        {ARB_TESSELLATION_SHADER,          MAKEDWORD_VERSION(4, 0)},
         {ARB_TEXTURE_CUBE_MAP_ARRAY,       MAKEDWORD_VERSION(4, 0)},
         {ARB_TEXTURE_GATHER,               MAKEDWORD_VERSION(4, 0)},
         {ARB_TRANSFORM_FEEDBACK2,          MAKEDWORD_VERSION(4, 0)},
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 4d585aa..e6cbf1b 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -9917,6 +9917,7 @@ static void shader_glsl_get_caps(const struct wined3d_gl_info *gl_info, struct s
             && gl_info->supported[ARB_SHADER_IMAGE_LOAD_STORE]
             && gl_info->supported[ARB_SHADER_IMAGE_SIZE]
             && gl_info->supported[ARB_SHADING_LANGUAGE_PACKING]
+            && gl_info->supported[ARB_TESSELLATION_SHADER]
             && gl_info->supported[ARB_TEXTURE_GATHER]
             && gl_info->supported[ARB_TRANSFORM_FEEDBACK3])
         shader_model = 5;
diff --git a/dlls/wined3d/wined3d_gl.h b/dlls/wined3d/wined3d_gl.h
index 6e92552..41cd74c 100644
--- a/dlls/wined3d/wined3d_gl.h
+++ b/dlls/wined3d/wined3d_gl.h
@@ -94,6 +94,7 @@ enum wined3d_gl_extension
     ARB_SHADOW,
     ARB_STENCIL_TEXTURING,
     ARB_SYNC,
+    ARB_TESSELLATION_SHADER,
     ARB_TEXTURE_BORDER_CLAMP,
     ARB_TEXTURE_BUFFER_OBJECT,
     ARB_TEXTURE_BUFFER_RANGE,