[Mesa-dev] [PATCH v2] mesa: add missing queries for ARB_direct_state_access

Brian Paul brianp at vmware.com
Wed Aug 12 08:14:42 PDT 2015


Another question below...

On 08/12/2015 08:31 AM, Daniel Scharrer wrote:
> On 2015-08-06 15:46, Brian Paul wrote:
>> On 08/06/2015 07:44 AM, Daniel Scharrer wrote:
>>> CC: "10.6" <mesa-stable at lists.freedesktop.org>
>>>
>>> ---
>>>
>>> v2: added CC for 10.6
>>>       renamed _mesa_tex_target_to_index to tex_target_to_index
>>>       moved declaration of variable before code
>>>       added missing spaces in ternary operators
>>>
>>>    src/mesa/main/get.c      | 93 ++++++++++++++++++++++++++++++++++++++++++++++++
>>>    src/mesa/main/texparam.c | 12 +++++++
>>>    2 files changed, 105 insertions(+)
>>>
>>> diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
>>> index 307a5ff..3b8cbbc 100644
>>> --- a/src/mesa/main/get.c
>>> +++ b/src/mesa/main/get.c
>>> @@ -1785,6 +1785,52 @@ _mesa_GetDoublev(GLenum pname, GLdouble *params)
>>>       }
>>>    }
>>>
>>> +/**
>>> + * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D
>>> + * into the corresponding Mesa texture target index.
>>> + * \return TEXTURE_x_INDEX or -1 if binding is invalid
>>> + */
>>> +static int
>>> +tex_binding_to_index(const struct gl_context *ctx, GLenum binding)
>>> +{
>>> +   switch (binding) {
>>> +   case GL_TEXTURE_BINDING_1D:
>>> +      return _mesa_is_desktop_gl(ctx) ? TEXTURE_1D_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_2D:
>>> +      return TEXTURE_2D_INDEX;
>>> +   case GL_TEXTURE_BINDING_3D:
>>> +      return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
>>> +      return ctx->Extensions.ARB_texture_cube_map
>>> +         ? TEXTURE_CUBE_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_RECTANGLE_NV:
>>> +      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle
>>> +         ? TEXTURE_RECT_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
>>> +      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array
>>> +         ? TEXTURE_1D_ARRAY_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
>>> +      return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
>>> +         || _mesa_is_gles3(ctx)
>>> +         ? TEXTURE_2D_ARRAY_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_BUFFER:
>>> +      return ctx->API == API_OPENGL_CORE &&
>>> +             ctx->Extensions.ARB_texture_buffer_object ?
>>> +             TEXTURE_BUFFER_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
>>> +      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_cube_map_array
>>> +         ? TEXTURE_CUBE_ARRAY_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
>>> +      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
>>> +         ? TEXTURE_2D_MULTISAMPLE_INDEX : -1;
>>> +   case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
>>> +      return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
>>> +         ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX : -1;
>>> +   default:
>>> +      return -1;
>>> +   }
>>> +}
>>> +
>>>    static enum value_type
>>>    find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v)
>>>    {
>>> @@ -2048,6 +2094,53 @@ find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v)
>>>          v->value_int = ctx->ImageUnits[index].Format;
>>>          return TYPE_INT;
>>>
>>> +   /* ARB_direct_state_access */
>>> +   case GL_TEXTURE_BINDING_1D:
>>> +   case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
>>> +   case GL_TEXTURE_BINDING_2D:
>>> +   case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
>>> +   case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
>>> +   case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
>>> +   case GL_TEXTURE_BINDING_3D:
>>> +   case GL_TEXTURE_BINDING_BUFFER:
>>> +   case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
>>> +   case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
>>> +   case GL_TEXTURE_BINDING_RECTANGLE_NV: {
>>> +      int target;
>>> +
>>> +      if (ctx->API != API_OPENGL_CORE)
>>> +         goto invalid_enum;
>>> +      target = tex_binding_to_index(ctx, pname);
>>> +      if (target < 0)
>>> +         goto invalid_enum;
>>> +      if (index >= ctx->Const.MaxTextureUnits)

Is ctx->Const.MaxTextureUnits the right limit here?  I think it might be 
ctx->Const.MaxCombinedTextureImageUnits


>>> +         goto invalid_value;
>>> +
>>> +      v->value_int = ctx->Texture.Unit[index].CurrentTex[target]->Name;
>>> +      return TYPE_INT;
>>> +   }
>>> +
>>> +   case GL_SAMPLER_BINDING: {
>>> +      struct gl_sampler_object *samp;
>>> +
>>> +      if (ctx->API != API_OPENGL_CORE)
>>> +         goto invalid_enum;
>>> +      if (index >= ctx->Const.MaxTextureUnits)

Same there.


>>> +         goto invalid_value;
>>> +
>>> +      samp = ctx->Texture.Unit[index].Sampler;
>>> +      /*
>>> +       * The sampler object may have been deleted on another context,
>>> +       * so we try to lookup the sampler object before returning its Name.
>>> +       */
>>> +      if (samp && _mesa_lookup_samplerobj(ctx, samp->Name)) {
>>> +         v->value_int = samp->Name;
>>> +      } else {
>>> +         v->value_int = 0;
>>> +      }
>>> +      return TYPE_INT;
>>> +   }
>>> +
>>>       case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
>>>          if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_compute_shader)
>>>             goto invalid_enum;
>>> diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
>>> index c0611c3..f68d49e 100644
>>> --- a/src/mesa/main/texparam.c
>>> +++ b/src/mesa/main/texparam.c
>>> @@ -1890,6 +1890,12 @@ get_tex_parameterfv(struct gl_context *ctx,
>>>             *params = (GLfloat) obj->Sampler.sRGBDecode;
>>>             break;
>>>
>>> +      case GL_TEXTURE_TARGET:
>>> +         if (ctx->API != API_OPENGL_CORE)
>>> +            goto invalid_pname;
>>> +         *params = ENUM_TO_FLOAT(obj->Target);
>>> +         break;
>>> +
>>>          default:
>>>             goto invalid_pname;
>>>       }
>>> @@ -2115,6 +2121,12 @@ get_tex_parameteriv(struct gl_context *ctx,
>>>             *params = obj->ImageFormatCompatibilityType;
>>>             break;
>>>
>>> +      case GL_TEXTURE_TARGET:
>>> +         if (ctx->API != API_OPENGL_CORE)
>>> +            goto invalid_pname;
>>> +         *params = (GLint) obj->Target;
>>> +         break;
>>> +
>>>          default:
>>>             goto invalid_pname;
>>>       }
>>>
>>
>>
>> Reviewed-by: Brian Paul <brianp at vmware.com>
>>
>
> Hi,
>
> can you please push this - or is there something else I need to do here?

Will do after the question above is resolved.

-Brian




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