[Mesa-dev] [PATCH v2] mesa: remove ARB_geometry_shader4

Ian Romanick idr at freedesktop.org
Sun Nov 29 14:17:06 PST 2015


On 11/25/2015 03:16 AM, Marta Lofstedt wrote:
> From: Marta Lofstedt <marta.lofstedt at intel.com>
> 
> No drivers currently implement ARB_geometry_shader4, nor are there
> any plans to implement it.  We only support the version of geometry
> shaders that was incorporated into OpenGL 3.2 / GLSL 1.50.
> 
> Signed-off-by: Marta Lofstedt <marta.lofstedt at linux.intel.com>
> ---
>  src/mapi/glapi/gen/ARB_geometry_shader4.xml | 57 -----------------------------
>  src/mapi/glapi/gen/Makefile.am              |  1 -
>  src/mapi/glapi/gen/gl_API.xml               |  2 +-
>  src/mesa/main/api_validate.c                |  2 +-
>  src/mesa/main/config.h                      |  2 +-
>  src/mesa/main/context.h                     |  3 +-
>  src/mesa/main/dlist.c                       | 55 ----------------------------
>  src/mesa/main/get.c                         |  7 ----
>  src/mesa/main/get_hash_params.py            | 12 ++----
>  src/mesa/main/mtypes.h                      |  3 +-
>  src/mesa/main/tests/enum_strings.cpp        |  6 ---
>  11 files changed, 9 insertions(+), 141 deletions(-)
>  delete mode 100644 src/mapi/glapi/gen/ARB_geometry_shader4.xml
> 
> diff --git a/src/mapi/glapi/gen/ARB_geometry_shader4.xml b/src/mapi/glapi/gen/ARB_geometry_shader4.xml
> deleted file mode 100644
> index 280e7a0..0000000
> --- a/src/mapi/glapi/gen/ARB_geometry_shader4.xml
> +++ /dev/null
> @@ -1,57 +0,0 @@
> -<?xml version="1.0"?>
> -<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
> -
> -<!-- Note: no GLX protocol info yet. -->
> -
> -<OpenGLAPI>
> -
> -
> -<category name="GL_ARB_geometry_shader4" number="47">
> -    <enum name="GEOMETRY_SHADER_ARB"              value="0x8DD9"/>
> -    <enum name="GEOMETRY_VERTICES_OUT_ARB"        value="0x8DDA"/>
> -    <enum name="GEOMETRY_INPUT_TYPE_ARB"          value="0x8DDB"/>
> -    <enum name="GEOMETRY_OUTPUT_TYPE_ARB"         value="0x8DDC"/>
> -    <enum name="MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB"     value="0x8C29"/>
> -    <enum name="MAX_GEOMETRY_VARYING_COMPONENTS_ARB"      value="0x8DDD"/>
> -    <enum name="MAX_VERTEX_VARYING_COMPONENTS_ARB"        value="0x8DDE"/>
> -    <enum name="MAX_VARYING_COMPONENTS"                   value="0x8B4B"/>
> -    <enum name="MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB"      value="0x8DDF"/>
> -    <enum name="MAX_GEOMETRY_OUTPUT_VERTICES_ARB"         value="0x8DE0"/>
> -    <enum name="MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB" value="0x8DE1"/>
> -    <enum name="LINES_ADJACENCY_ARB"          value="0xA"/>
> -    <enum name="LINE_STRIP_ADJACENCY_ARB"     value="0xB"/>
> -    <enum name="TRIANGLES_ADJACENCY_ARB"      value="0xC"/>
> -    <enum name="TRIANGLE_STRIP_ADJACENCY_ARB" value="0xD"/>
> -    <enum name="FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_ARB" value="0x8DA8"/>
> -    <enum name="FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_ARB"   value="0x8DA9"/>
> -    <enum name="FRAMEBUFFER_ATTACHMENT_LAYERED_ARB"   value="0x8DA7"/>
> -    <enum name="FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER" value="0x8CD4"/>
> -    <enum name="PROGRAM_POINT_SIZE_ARB" value="0x8642"/>
> -    <function name="ProgramParameteriARB"  alias="ProgramParameteri">
> -        <param name="program" type="GLuint"/>
> -        <param name="pname" type="GLenum"/>
> -        <param name="value" type="GLint"/>
> -    </function>
> -    <function name="FramebufferTextureARB"  alias="FramebufferTexture">
> -        <param name="target" type="GLenum"/>
> -        <param name="attachment" type="GLenum"/>
> -        <param name="texture" type="GLuint"/>
> -        <param name="level" type="GLint"/>
> -    </function>
> -    <function name="FramebufferTextureLayerARB" alias="FramebufferTextureLayer">
> -        <param name="target" type="GLenum"/>
> -        <param name="attachment" type="GLenum"/>
> -        <param name="texture" type="GLuint"/>
> -        <param name="level" type="GLint"/>
> -        <param name="layer" type="GLint"/>
> -    </function>
> -    <function name="FramebufferTextureFaceARB" exec="skip">
> -        <param name="target" type="GLenum"/>
> -        <param name="attachment" type="GLenum"/>
> -        <param name="texture" type="GLuint"/>
> -        <param name="level" type="GLint"/>
> -        <param name="face" type="GLenum"/>
> -    </function>
> -</category>
> -
> -</OpenGLAPI>
> diff --git a/src/mapi/glapi/gen/Makefile.am b/src/mapi/glapi/gen/Makefile.am
> index a5a26a6..40b0e65 100644
> --- a/src/mapi/glapi/gen/Makefile.am
> +++ b/src/mapi/glapi/gen/Makefile.am
> @@ -133,7 +133,6 @@ API_XML = \
>  	ARB_ES3_compatibility.xml \
>  	ARB_framebuffer_no_attachments.xml \
>  	ARB_framebuffer_object.xml \
> -	ARB_geometry_shader4.xml \
>  	ARB_get_program_binary.xml \
>  	ARB_get_texture_sub_image.xml \
>  	ARB_gpu_shader_fp64.xml \
> diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
> index ec83cd4..6243bdd 100644
> --- a/src/mapi/glapi/gen/gl_API.xml
> +++ b/src/mapi/glapi/gen/gl_API.xml
> @@ -7975,7 +7975,7 @@
>  
>  <!-- 46. GL_ARB_framebuffer_sRGB -->
>  
> -<xi:include href="ARB_geometry_shader4.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
> +<!-- 47. GL_ARB_geometry_shader4. There are no intentions to implement this extension -->
>  
>  <!-- 48. GL_ARB_half_float_vertex -->
>  
> diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
> index a490189..cbfb6b5 100644
> --- a/src/mesa/main/api_validate.c
> +++ b/src/mesa/main/api_validate.c
> @@ -170,7 +170,7 @@ _mesa_valid_prim_mode(struct gl_context *ctx, GLenum mode, const char *name)
>        return GL_FALSE;
>     }
>  
> -   /* From the ARB_geometry_shader4 spec:
> +   /* From the OpenGL 4.5 specification, section 11.3.1:
>      *
>      * The error INVALID_OPERATION is generated if Begin, or any command that
>      * implicitly calls Begin, is called when a geometry shader is active and:
> diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
> index f29de5f..2d53e2f 100644
> --- a/src/mesa/main/config.h
> +++ b/src/mesa/main/config.h
> @@ -246,7 +246,7 @@
>  #define MAX_FEEDBACK_BUFFERS 4
>  #define MAX_FEEDBACK_ATTRIBS 32
>  
> -/** For GL_ARB_geometry_shader4 */
> +/** For geometry shader */
>  /*@{*/
>  #define MAX_GEOMETRY_UNIFORM_COMPONENTS              512
>  #define MAX_GEOMETRY_OUTPUT_VERTICES                 256
> diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
> index 4798b1f..8b64f45 100644
> --- a/src/mesa/main/context.h
> +++ b/src/mesa/main/context.h
> @@ -330,8 +330,7 @@ _mesa_is_gles31(const struct gl_context *ctx)
>  static inline bool
>  _mesa_has_geometry_shaders(const struct gl_context *ctx)
>  {
> -   return _mesa_is_desktop_gl(ctx) &&
> -      (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4);
> +   return _mesa_is_desktop_gl(ctx) && ctx->Version >= 32;
>  }
>  
>  
> diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
> index 2b65b2e..ba2e670 100644
> --- a/src/mesa/main/dlist.c
> +++ b/src/mesa/main/dlist.c
> @@ -457,11 +457,6 @@ typedef enum
>     OPCODE_SAMPLER_PARAMETERIIV,
>     OPCODE_SAMPLER_PARAMETERUIV,
>  
> -   /* GL_ARB_geometry_shader4 */
> -   OPCODE_PROGRAM_PARAMETERI,
> -   OPCODE_FRAMEBUFFER_TEXTURE,
> -   OPCODE_FRAMEBUFFER_TEXTURE_FACE,
> -
>     /* GL_ARB_sync */
>     OPCODE_WAIT_SYNC,
>  
> @@ -7554,44 +7549,6 @@ save_SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint *params)
>     }
>  }
>  
> -/* GL_ARB_geometry_shader4 */
> -static void GLAPIENTRY
> -save_ProgramParameteri(GLuint program, GLenum pname, GLint value)
> -{
> -   Node *n;
> -   GET_CURRENT_CONTEXT(ctx);
> -   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
> -   n = alloc_instruction(ctx, OPCODE_PROGRAM_PARAMETERI, 3);
> -   if (n) {
> -      n[1].ui = program;
> -      n[2].e = pname;
> -      n[3].i = value;
> -   }
> -   if (ctx->ExecuteFlag) {
> -      CALL_ProgramParameteri(ctx->Exec, (program, pname, value));
> -   }
> -}

You can't remove this function.  It's still used for
GL_PROGRAM_BINARY_RETRIEVABLE_HINT.  See
https://www.opengl.org/sdk/docs/man/html/glProgramParameter.xhtml.  We
support GL_ARB_get_program_binary on compatibility profile.  We should
probably have a compatibility profile piglit test for this. :)

> -
> -static void GLAPIENTRY
> -save_FramebufferTexture(GLenum target, GLenum attachment,
> -                        GLuint texture, GLint level)
> -{
> -   Node *n;
> -   GET_CURRENT_CONTEXT(ctx);
> -   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
> -   n = alloc_instruction(ctx, OPCODE_FRAMEBUFFER_TEXTURE, 4);
> -   if (n) {
> -      n[1].e = target;
> -      n[2].e = attachment;
> -      n[3].ui = texture;
> -      n[4].i = level;
> -   }
> -   if (ctx->ExecuteFlag) {
> -      CALL_FramebufferTexture(ctx->Exec, (target, attachment, texture, level));
> -   }
> -}
> -
> -
>  static void GLAPIENTRY
>  save_WaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
>  {
> @@ -8841,14 +8798,6 @@ execute_list(struct gl_context *ctx, GLuint list)
>              }
>              break;
>  
> -         /* GL_ARB_geometry_shader4 */
> -         case OPCODE_PROGRAM_PARAMETERI:
> -            CALL_ProgramParameteri(ctx->Exec, (n[1].ui, n[2].e, n[3].i));
> -            break;
> -         case OPCODE_FRAMEBUFFER_TEXTURE:
> -            CALL_FramebufferTexture(ctx->Exec, (n[1].e, n[2].e,
> -                                                   n[3].ui, n[4].i));
> -            break;
>           /* GL_ARB_sync */
>           case OPCODE_WAIT_SYNC:
>              {
> @@ -9614,10 +9563,6 @@ _mesa_initialize_save_table(const struct gl_context *ctx)
>     SET_BlendEquationiARB(table, save_BlendEquationi);
>     SET_BlendEquationSeparateiARB(table, save_BlendEquationSeparatei);
>  
> -   /* OpenGL 3.2 */
> -   SET_ProgramParameteri(table, save_ProgramParameteri);
> -   SET_FramebufferTexture(table, save_FramebufferTexture);
> -
>     /* GL_NV_conditional_render */
>     SET_BeginConditionalRender(table, save_BeginConditionalRender);
>     SET_EndConditionalRender(table, save_EndConditionalRender);
> diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
> index 539c411..c6a2e5b 100644
> --- a/src/mesa/main/get.c
> +++ b/src/mesa/main/get.c
> @@ -398,7 +398,6 @@ EXTRA_EXT(EXT_pixel_buffer_object);
>  EXTRA_EXT(ARB_vertex_program);
>  EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
>  EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
> -EXTRA_EXT(ARB_geometry_shader4);
>  EXTRA_EXT(ARB_color_buffer_float);
>  EXTRA_EXT(EXT_framebuffer_sRGB);
>  EXTRA_EXT(OES_EGL_image_external);
> @@ -455,12 +454,6 @@ static const int extra_gl32_es3[] = {
>      EXTRA_END,
>  };
>  
> -static const int extra_gl32_ARB_geometry_shader4[] = {
> -    EXTRA_VERSION_32,
> -    EXT(ARB_geometry_shader4),
> -    EXTRA_END
> -};
> -
>  static const int extra_gl40_ARB_sample_shading[] = {
>     EXTRA_VERSION_40,
>     EXT(ARB_sample_shading),
> diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
> index 9b22b91..0c58b30 100644
> --- a/src/mesa/main/get_hash_params.py
> +++ b/src/mesa/main/get_hash_params.py
> @@ -765,14 +765,6 @@ descriptor=[
>    [ "MAX_TRANSFORM_FEEDBACK_BUFFERS", "CONTEXT_INT(Const.MaxTransformFeedbackBuffers), extra_ARB_transform_feedback3" ],
>    [ "MAX_VERTEX_STREAMS", "CONTEXT_INT(Const.MaxVertexStreams), extra_ARB_transform_feedback3_ARB_gpu_shader5" ],
>  
> -# GL_ARB_geometry_shader4
> -  [ "MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits), extra_gl32_ARB_geometry_shader4" ],
> -  [ "MAX_GEOMETRY_OUTPUT_VERTICES_ARB", "CONTEXT_INT(Const.MaxGeometryOutputVertices), extra_gl32_ARB_geometry_shader4" ],
> -  [ "MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB", "CONTEXT_INT(Const.MaxGeometryTotalOutputComponents), extra_gl32_ARB_geometry_shader4" ],
> -  [ "MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents), extra_gl32_ARB_geometry_shader4" ],
> -  [ "MAX_GEOMETRY_VARYING_COMPONENTS_ARB", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents), extra_ARB_geometry_shader4" ],
> -  [ "MAX_VERTEX_VARYING_COMPONENTS_ARB", "CONTEXT_INT(Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents), extra_ARB_geometry_shader4" ],
> -
>  # GL_ARB_color_buffer_float
>    [ "RGBA_FLOAT_MODE_ARB", "BUFFER_FIELD(Visual.floatMode, TYPE_BOOLEAN), extra_core_ARB_color_buffer_float_and_new_buffers" ],
>  
> @@ -800,6 +792,10 @@ descriptor=[
>    [ "CONTEXT_PROFILE_MASK", "CONTEXT_INT(Const.ProfileMask), extra_version_32" ],
>    [ "MAX_GEOMETRY_INPUT_COMPONENTS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents), extra_version_32" ],
>    [ "MAX_GEOMETRY_OUTPUT_COMPONENTS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents), extra_version_32" ],
> +  [ "MAX_GEOMETRY_TEXTURE_IMAGE_UNITS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits), extra_version_32" ],
> +  [ "MAX_GEOMETRY_OUTPUT_VERTICES", "CONTEXT_INT(Const.MaxGeometryOutputVertices), extra_version_32" ],
> +  [ "MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS", "CONTEXT_INT(Const.MaxGeometryTotalOutputComponents), extra_version_32" ],
> +  [ "MAX_GEOMETRY_UNIFORM_COMPONENTS", "CONTEXT_INT(Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents), extra_version_32" ],
>  
>  # GL_ARB_robustness
>    [ "RESET_NOTIFICATION_STRATEGY_ARB", "CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA" ],
> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
> index d425571..46de8f8 100644
> --- a/src/mesa/main/mtypes.h
> +++ b/src/mesa/main/mtypes.h
> @@ -3397,7 +3397,7 @@ struct gl_constants
>      */
>     GLuint MaxUserAssignableUniformLocations;
>  
> -   /** GL_ARB_geometry_shader4 */
> +   /** geometry shader */
>     GLuint MaxGeometryOutputVertices;
>     GLuint MaxGeometryTotalOutputComponents;
>  
> @@ -3682,7 +3682,6 @@ struct gl_extensions
>     GLboolean ARB_enhanced_layouts;
>     GLboolean ARB_explicit_attrib_location;
>     GLboolean ARB_explicit_uniform_location;
> -   GLboolean ARB_geometry_shader4;
>     GLboolean ARB_gpu_shader5;
>     GLboolean ARB_gpu_shader_fp64;
>     GLboolean ARB_half_float_vertex;
> diff --git a/src/mesa/main/tests/enum_strings.cpp b/src/mesa/main/tests/enum_strings.cpp
> index 96b2246..04e9896 100644
> --- a/src/mesa/main/tests/enum_strings.cpp
> +++ b/src/mesa/main/tests/enum_strings.cpp
> @@ -1689,7 +1689,6 @@ const struct enum_info everything[] = {
>     { 0x8D9F, "GL_INT_2_10_10_10_REV" },
>     { 0x8DA7, "GL_FRAMEBUFFER_ATTACHMENT_LAYERED" },
>     { 0x8DA8, "GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS" },
> -   { 0x8DA9, "GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_ARB" },
>     { 0x8DAD, "GL_FLOAT_32_UNSIGNED_INT_24_8_REV" },
>     { 0x8DB9, "GL_FRAMEBUFFER_SRGB" },
>     { 0x8DBA, "GL_FRAMEBUFFER_SRGB_CAPABLE_EXT" },
> @@ -1723,11 +1722,6 @@ const struct enum_info everything[] = {
>     { 0x8DD7, "GL_UNSIGNED_INT_SAMPLER_2D_ARRAY" },
>     { 0x8DD8, "GL_UNSIGNED_INT_SAMPLER_BUFFER" },
>     { 0x8DD9, "GL_GEOMETRY_SHADER" },
> -   { 0x8DDA, "GL_GEOMETRY_VERTICES_OUT_ARB" },
> -   { 0x8DDB, "GL_GEOMETRY_INPUT_TYPE_ARB" },
> -   { 0x8DDC, "GL_GEOMETRY_OUTPUT_TYPE_ARB" },
> -   { 0x8DDD, "GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB" },
> -   { 0x8DDE, "GL_MAX_VERTEX_VARYING_COMPONENTS_ARB" },
>     { 0x8DDF, "GL_MAX_GEOMETRY_UNIFORM_COMPONENTS" },
>     { 0x8DE0, "GL_MAX_GEOMETRY_OUTPUT_VERTICES" },
>     { 0x8DE1, "GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS" },
> 



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