diff options
| -rw-r--r-- | src/mesa/main/program_resource.c | 8 | ||||
| -rw-r--r-- | src/mesa/main/shader_query.cpp | 94 | ||||
| -rw-r--r-- | src/mesa/main/shaderapi.h | 3 |
3 files changed, 62 insertions, 43 deletions
diff --git a/src/mesa/main/program_resource.c b/src/mesa/main/program_resource.c index 23d2b4d2da0..20e5d39023e 100644 --- a/src/mesa/main/program_resource.c +++ b/src/mesa/main/program_resource.c @@ -111,11 +111,9 @@ _mesa_GetProgramInterfaceiv(GLuint program, GLenum programInterface, for (i = 0, *params = 0; i < shProg->NumProgramResourceList; i++) { if (shProg->ProgramResourceList[i].Type != programInterface) continue; - const char *name = - _mesa_program_resource_name(&shProg->ProgramResourceList[i]); - unsigned array_size = - _mesa_program_resource_array_size(&shProg->ProgramResourceList[i]); - *params = MAX2(*params, strlen(name) + (array_size ? 3 : 0) + 1); + unsigned len = + _mesa_program_resource_name_len(&shProg->ProgramResourceList[i]); + *params = MAX2(*params, len + 1); } break; case GL_MAX_NUM_ACTIVE_VARIABLES: diff --git a/src/mesa/main/shader_query.cpp b/src/mesa/main/shader_query.cpp index ee7320221e2..0e13572bbd1 100644 --- a/src/mesa/main/shader_query.cpp +++ b/src/mesa/main/shader_query.cpp @@ -476,7 +476,7 @@ _mesa_program_resource_array_size(struct gl_program_resource *res) RESOURCE_XFB(res)->Size : 0; case GL_PROGRAM_INPUT: case GL_PROGRAM_OUTPUT: - return RESOURCE_VAR(res)->data.max_array_access; + return RESOURCE_VAR(res)->type->length; case GL_UNIFORM: case GL_VERTEX_SUBROUTINE_UNIFORM: case GL_GEOMETRY_SUBROUTINE_UNIFORM: @@ -661,6 +661,57 @@ _mesa_program_resource_find_index(struct gl_shader_program *shProg, return NULL; } +/* Function returns if resource name is expected to have index + * appended into it. + * + * + * Page 61 (page 73 of the PDF) in section 2.11 of the OpenGL ES 3.0 + * spec says: + * + * "If the active uniform is an array, the uniform name returned in + * name will always be the name of the uniform array appended with + * "[0]"." + * + * The same text also appears in the OpenGL 4.2 spec. It does not, + * however, appear in any previous spec. Previous specifications are + * ambiguous in this regard. However, either name can later be passed + * to glGetUniformLocation (and related APIs), so there shouldn't be any + * harm in always appending "[0]" to uniform array names. + * + * Geometry shader stage has different naming convention where the 'normal' + * condition is an array, therefore for variables referenced in geometry + * stage we do not add '[0]'. + * + * Note, that TCS outputs and TES inputs should not have index appended + * either. + */ +static bool +add_index_to_name(struct gl_program_resource *res) +{ + bool add_index = !(((res->Type == GL_PROGRAM_INPUT) && + res->StageReferences & (1 << MESA_SHADER_GEOMETRY))); + + /* Transform feedback varyings have array index already appended + * in their names. + */ + if (res->Type == GL_TRANSFORM_FEEDBACK_VARYING) + add_index = false; + + return add_index; +} + +/* Get name length of a program resource. This consists of + * base name + 3 for '[0]' if resource is an array. + */ +extern unsigned +_mesa_program_resource_name_len(struct gl_program_resource *res) +{ + unsigned length = strlen(_mesa_program_resource_name(res)); + if (_mesa_program_resource_array_size(res) && add_index_to_name(res)) + length += 3; + return length; +} + /* Get full name of a program resource. */ bool @@ -696,36 +747,7 @@ _mesa_get_program_resource_name(struct gl_shader_program *shProg, _mesa_copy_string(name, bufSize, length, _mesa_program_resource_name(res)); - /* Page 61 (page 73 of the PDF) in section 2.11 of the OpenGL ES 3.0 - * spec says: - * - * "If the active uniform is an array, the uniform name returned in - * name will always be the name of the uniform array appended with - * "[0]"." - * - * The same text also appears in the OpenGL 4.2 spec. It does not, - * however, appear in any previous spec. Previous specifications are - * ambiguous in this regard. However, either name can later be passed - * to glGetUniformLocation (and related APIs), so there shouldn't be any - * harm in always appending "[0]" to uniform array names. - * - * Geometry shader stage has different naming convention where the 'normal' - * condition is an array, therefore for variables referenced in geometry - * stage we do not add '[0]'. - * - * Note, that TCS outputs and TES inputs should not have index appended - * either. - */ - bool add_index = !(((programInterface == GL_PROGRAM_INPUT) && - res->StageReferences & (1 << MESA_SHADER_GEOMETRY))); - - /* Transform feedback varyings have array index already appended - * in their names. - */ - if (programInterface == GL_TRANSFORM_FEEDBACK_VARYING) - add_index = false; - - if (add_index && _mesa_program_resource_array_size(res)) { + if (_mesa_program_resource_array_size(res) && add_index_to_name(res)) { int i; /* The comparison is strange because *length does *NOT* include the @@ -972,13 +994,9 @@ _mesa_program_resource_prop(struct gl_shader_program *shProg, switch (res->Type) { case GL_ATOMIC_COUNTER_BUFFER: goto invalid_operation; - case GL_TRANSFORM_FEEDBACK_VARYING: - *val = strlen(_mesa_program_resource_name(res)) + 1; - break; default: - /* Base name +3 if array '[0]' + terminator. */ - *val = strlen(_mesa_program_resource_name(res)) + - (_mesa_program_resource_array_size(res) > 0 ? 3 : 0) + 1; + /* Resource name length + terminator. */ + *val = _mesa_program_resource_name_len(res) + 1; } return 1; case GL_TYPE: @@ -1003,7 +1021,7 @@ _mesa_program_resource_prop(struct gl_shader_program *shProg, return 1; case GL_PROGRAM_INPUT: case GL_PROGRAM_OUTPUT: - *val = MAX2(RESOURCE_VAR(res)->type->length, 1); + *val = MAX2(_mesa_program_resource_array_size(res), 1); return 1; case GL_TRANSFORM_FEEDBACK_VARYING: *val = MAX2(RESOURCE_XFB(res)->Size, 1); diff --git a/src/mesa/main/shaderapi.h b/src/mesa/main/shaderapi.h index 0a10191684f..fba767bf4c1 100644 --- a/src/mesa/main/shaderapi.h +++ b/src/mesa/main/shaderapi.h @@ -245,6 +245,9 @@ _mesa_get_program_resource_name(struct gl_shader_program *shProg, GLsizei bufSize, GLsizei *length, GLchar *name, const char *caller); +extern unsigned +_mesa_program_resource_name_len(struct gl_program_resource *res); + extern GLint _mesa_program_resource_location(struct gl_shader_program *shProg, GLenum programInterface, const char *name); |