forked from Qortal/Brooklyn
133 lines
4.9 KiB
C
133 lines
4.9 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define GL_GLEXT_PROTOTYPES /* we want the prototypes so the compiler will check that the signatures match */
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#include "interface/khronos/common/khrn_int_common.h"
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#include "interface/khronos/glxx/glxx_client.h"
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#include "interface/khronos/common/khrn_client_rpc.h"
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#include "interface/khronos/glxx/gl11_int_config.h"
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#include "interface/khronos/include/GLES/glext.h"
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#ifdef RPC_DIRECT
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#include "interface/khronos/glxx/gl11_int_impl.h"
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#endif
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#if GL_OES_matrix_palette
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static void set_error(GLXX_CLIENT_STATE_T *state, GLenum e) {
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if (state->error == GL_NO_ERROR) state->error = e;
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}
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static void set_client_state_error(GLenum e) {
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CLIENT_THREAD_STATE_T *thread = CLIENT_GET_THREAD_STATE();
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GLXX_CLIENT_STATE_T *state = GLXX_GET_CLIENT_STATE(thread);
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set_error(state, e);
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}
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GL_API void GL_APIENTRY glCurrentPaletteMatrixOES(GLuint index) {
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CLIENT_THREAD_STATE_T *thread = CLIENT_GET_THREAD_STATE();
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if (IS_OPENGLES_11(thread)) {
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if (index > GL11_CONFIG_MAX_PALETTE_MATRICES_OES - 1) set_client_state_error(GL_INVALID_VALUE);
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else {
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RPC_CALL1(glCurrentPaletteMatrixOES_impl,
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thread,
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GLCURRENTPALETTEMATRIXOES_ID_11,
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RPC_UINT(index) );
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}
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}
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}
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GL_API void GL_APIENTRY glLoadPaletteFromModelViewMatrixOES() {
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CLIENT_THREAD_STATE_T *thread = CLIENT_GET_THREAD_STATE();
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if (IS_OPENGLES_11(thread)) {
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RPC_CALL0(glLoadPaletteFromModelViewMatrixOES_impl,
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thread,
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GLLOADPALETTEFROMMODELVIEWMATRIXOES_ID_11);
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}
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}
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static GLboolean is_matrix_index_type(GLenum type) {
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return (type == GL_UNSIGNED_BYTE);
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}
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static GLboolean is_matrix_palette_size(GLint size) {
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/* TODO: Should size 0 be allowed or not? */
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return size > 0 && size <= GL11_CONFIG_MAX_VERTEX_UNITS_OES;
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}
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/* TODO: This is copied from glxx_client.c. Find a better method */
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static GLboolean is_aligned( GLenum type, size_t value)
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{
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switch (type) {
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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return GL_TRUE;
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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return (value & 1) == 0;
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case GL_FIXED:
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case GL_FLOAT:
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return (value & 3) == 0;
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default:
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UNREACHABLE();
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return GL_FALSE;
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}
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}
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GL_API void GL_APIENTRY glMatrixIndexPointerOES(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
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{
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if (is_matrix_index_type(type)) {
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if (is_matrix_palette_size(size) && is_aligned(type, (size_t)pointer) && is_aligned(type, (size_t)stride) && stride >= 0) {
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glintAttribPointer(GLXX_API_11, GL11_IX_MATRIX_INDEX, size, type, GL_FALSE, stride, pointer);
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} else
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glxx_set_error_api(GLXX_API_11, GL_INVALID_VALUE);
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} else
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glxx_set_error_api(GLXX_API_11, GL_INVALID_ENUM);
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}
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static GLboolean is_matrix_weight_type(GLenum type) {
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return type == GL_FIXED ||
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type == GL_FLOAT;
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}
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GL_API void GL_APIENTRY glWeightPointerOES(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
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{
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if (is_matrix_weight_type(type)) {
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if (is_matrix_palette_size(size) && is_aligned(type, (size_t)pointer) && is_aligned(type, (size_t)stride) && stride >= 0) {
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glintAttribPointer(GLXX_API_11, GL11_IX_MATRIX_WEIGHT, size, type, GL_FALSE, stride, pointer);
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} else
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glxx_set_error_api(GLXX_API_11, GL_INVALID_VALUE);
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} else
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glxx_set_error_api(GLXX_API_11, GL_INVALID_ENUM);
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}
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#endif /* GL_OES_matrix_palette */
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