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164 lines
5.4 KiB
164 lines
5.4 KiB
/* |
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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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#ifndef GLXX_CLIENT_H |
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#define GLXX_CLIENT_H |
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#include "interface/khronos/common/khrn_client.h" |
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#include "interface/khronos/common/khrn_client_platform.h" |
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#include "interface/khronos/common/khrn_client_cache.h" |
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#include "interface/khronos/egl/egl_client_context.h" |
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#include "interface/khronos/glxx/glxx_int_attrib.h" |
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#include "interface/khronos/glxx/glxx_int_config.h" |
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/* |
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Called just before a rendering command (i.e. anything which could modify |
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the draw surface) is executed |
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*/ |
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typedef void (*GL_RENDER_CALLBACK_T)(void); |
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/* |
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Called just after rendering has been compeleted (i.e. flush or finish). |
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wait should be true for finish-like behaviour, false for flush-like |
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behaviour |
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*/ |
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typedef void (*GL_FLUSH_CALLBACK_T)(bool wait); |
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/* |
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GL 1.1 and 2.0 client state structure |
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*/ |
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typedef struct buffer_info { |
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GLuint id; |
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GLsizeiptr cached_size; |
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void * mapped_pointer; |
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GLsizeiptr mapped_size; |
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} GLXX_BUFFER_INFO_T; |
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typedef struct { |
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GLenum error; |
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/* |
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Open GL version |
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Invariants: |
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OPENGL_ES_11 or OPENGL_ES_20 |
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*/ |
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unsigned int type; |
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/* |
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alignments |
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used to work out how much data to send for glTexImage2D() |
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*/ |
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struct { |
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GLint pack; |
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GLint unpack; |
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} alignment; |
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struct { |
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GLuint array; |
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GLuint element_array; |
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} bound_buffer; |
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GLXX_ATTRIB_T attrib[GLXX_CONFIG_MAX_VERTEX_ATTRIBS]; |
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GL_RENDER_CALLBACK_T render_callback; |
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GL_FLUSH_CALLBACK_T flush_callback; |
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KHRN_CACHE_T cache; |
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//gl 1.1 specific |
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struct { |
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GLenum client; |
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GLenum server; |
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} active_texture; |
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//gl 2.0 specific |
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bool default_framebuffer; //render_callback only called if we're rendering to default framebuffer |
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KHRN_POINTER_MAP_T buffers; |
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} GLXX_CLIENT_STATE_T; |
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extern int gl11_client_state_init(GLXX_CLIENT_STATE_T *state); |
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extern int gl20_client_state_init(GLXX_CLIENT_STATE_T *state); |
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extern void glxx_client_state_free(GLXX_CLIENT_STATE_T *state); |
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#define GLXX_GET_CLIENT_STATE(thread) glxx_get_client_state(thread) |
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static INLINE GLXX_CLIENT_STATE_T *glxx_get_client_state(CLIENT_THREAD_STATE_T *thread) |
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{ |
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EGL_CONTEXT_T *context = thread->opengl.context; |
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GLXX_CLIENT_STATE_T * state; |
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vcos_assert( context != NULL ); |
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vcos_assert(context->type == OPENGL_ES_11 || context->type == OPENGL_ES_20); |
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state = (GLXX_CLIENT_STATE_T *)context->state; |
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vcos_assert(context->type == state->type); |
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return state; |
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} |
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#define GLXX_API_11 (1<<(OPENGL_ES_11)) |
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#define GLXX_API_20 (1<<(OPENGL_ES_20)) |
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#define GLXX_API_11_OR_20 (GLXX_API_11|GLXX_API_20) |
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static INLINE bool glxx_api_ok(uint32_t api, EGL_CONTEXT_TYPE_T type) |
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{ |
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return !!(api & (1<<type)); |
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} |
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#define IS_OPENGLES_11(thread) is_opengles_api(thread, GLXX_API_11) |
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#define IS_OPENGLES_20(thread) is_opengles_api(thread, GLXX_API_20) |
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#define IS_OPENGLES_11_OR_20(thread) is_opengles_api(thread, GLXX_API_11_OR_20) |
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#define IS_OPENGLES_API(thread, api) is_opengles_api(thread, api) |
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static INLINE bool is_opengles_api(CLIENT_THREAD_STATE_T *thread, uint32_t api) |
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{ |
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EGL_CONTEXT_T *context = thread->opengl.context; |
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return context && glxx_api_ok(api, context->type); |
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} |
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extern void glxx_buffer_info_get(GLXX_CLIENT_STATE_T *state, GLenum target, GLXX_BUFFER_INFO_T* buffer); |
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extern void glxx_buffer_info_set(GLXX_CLIENT_STATE_T *state, GLenum target, GLXX_BUFFER_INFO_T* buffer); |
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extern void glxx_set_error(GLXX_CLIENT_STATE_T *state, GLenum error); |
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extern void glxx_set_error_api(uint32_t api, GLenum error); |
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/* Fake GL API calls */ |
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void glintAttribPointer (uint32_t api, uint32_t indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *ptr); |
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void glintAttrib (uint32_t api, uint32_t indx, float x, float y, float z, float w); |
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void glintColor(float red, float green, float blue, float alpha); |
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void glintAttribEnable(uint32_t api, uint32_t indx, bool enabled); |
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void *glintAttribGetPointer(uint32_t api, uint32_t indx); |
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#endif
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