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mesa: extract helper function from _mesa_GetPointerv

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Will be used by EXT_dsa gllGetVertexArrayPointervEXT implementation.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2019-10-28 15:31:02 +01:00
parent 5adeff8033
commit 2b44ca779b
2 changed files with 91 additions and 73 deletions
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6
src/mesa/main/get.h
View File

@@ -93,4 +93,10 @@ _mesa_GetError( void );
extern GLenum GLAPIENTRY
_mesa_GetGraphicsResetStatusARB( void );
struct gl_vertex_array_object;
extern void
_get_vao_pointerv(GLenum pname, struct gl_vertex_array_object* vao,
GLvoid **params, const char* callerstr);
#endif

158
src/mesa/main/getstring.c
View File

@@ -230,6 +230,90 @@ _mesa_GetStringi(GLenum name, GLuint index)
}
void
_get_vao_pointerv(GLenum pname, struct gl_vertex_array_object* vao,
GLvoid **params, const char* callerstr )
{
GET_CURRENT_CONTEXT(ctx);
const GLuint clientUnit = ctx->Array.ActiveTexture;
if (!params)
return;
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s %s\n", callerstr, _mesa_enum_to_string(pname));
switch (pname) {
case GL_VERTEX_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_POS].Ptr;
break;
case GL_NORMAL_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_NORMAL].Ptr;
break;
case GL_COLOR_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR0].Ptr;
break;
case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR1].Ptr;
break;
case GL_FOG_COORDINATE_ARRAY_POINTER_EXT:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_FOG].Ptr;
break;
case GL_INDEX_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Ptr;
break;
case GL_TEXTURE_COORD_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_TEX(clientUnit)].Ptr;
break;
case GL_EDGE_FLAG_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Ptr;
break;
case GL_FEEDBACK_BUFFER_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = ctx->Feedback.Buffer;
break;
case GL_SELECTION_BUFFER_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = ctx->Select.Buffer;
break;
case GL_POINT_SIZE_ARRAY_POINTER_OES:
if (ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_POINT_SIZE].Ptr;
break;
case GL_DEBUG_CALLBACK_FUNCTION_ARB:
case GL_DEBUG_CALLBACK_USER_PARAM_ARB:
*params = _mesa_get_debug_state_ptr(ctx, pname);
break;
default:
goto invalid_pname;
}
return;
invalid_pname:
_mesa_error( ctx, GL_INVALID_ENUM, "%s", callerstr);
return;
}
/**
* Return pointer-valued state, such as a vertex array pointer.
@@ -246,7 +330,6 @@ void GLAPIENTRY
_mesa_GetPointerv( GLenum pname, GLvoid **params )
{
GET_CURRENT_CONTEXT(ctx);
const GLuint clientUnit = ctx->Array.ActiveTexture;
const char *callerstr;
if (_mesa_is_desktop_gl(ctx))
@@ -257,78 +340,7 @@ _mesa_GetPointerv( GLenum pname, GLvoid **params )
if (!params)
return;
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s %s\n", callerstr, _mesa_enum_to_string(pname));
switch (pname) {
case GL_VERTEX_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_POS].Ptr;
break;
case GL_NORMAL_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_NORMAL].Ptr;
break;
case GL_COLOR_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR0].Ptr;
break;
case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR1].Ptr;
break;
case GL_FOG_COORDINATE_ARRAY_POINTER_EXT:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_FOG].Ptr;
break;
case GL_INDEX_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Ptr;
break;
case GL_TEXTURE_COORD_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_TEX(clientUnit)].Ptr;
break;
case GL_EDGE_FLAG_ARRAY_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Ptr;
break;
case GL_FEEDBACK_BUFFER_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = ctx->Feedback.Buffer;
break;
case GL_SELECTION_BUFFER_POINTER:
if (ctx->API != API_OPENGL_COMPAT)
goto invalid_pname;
*params = ctx->Select.Buffer;
break;
case GL_POINT_SIZE_ARRAY_POINTER_OES:
if (ctx->API != API_OPENGLES)
goto invalid_pname;
*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_POINT_SIZE].Ptr;
break;
case GL_DEBUG_CALLBACK_FUNCTION_ARB:
case GL_DEBUG_CALLBACK_USER_PARAM_ARB:
*params = _mesa_get_debug_state_ptr(ctx, pname);
break;
default:
goto invalid_pname;
}
return;
invalid_pname:
_mesa_error( ctx, GL_INVALID_ENUM, "%s", callerstr);
return;
_get_vao_pointerv(pname, ctx->Array.VAO, params, callerstr);
}