diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/egl/intel_context.c')
| -rw-r--r-- | src/gallium/winsys/drm/intel/egl/intel_context.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/intel/egl/intel_context.c b/src/gallium/winsys/drm/intel/egl/intel_context.c new file mode 100644 index 00000000000..927addb834c --- /dev/null +++ b/src/gallium/winsys/drm/intel/egl/intel_context.c @@ -0,0 +1,242 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "i915simple/i915_screen.h" + +#include "intel_device.h" +#include "intel_context.h" +#include "intel_batchbuffer.h" + +#include "state_tracker/st_public.h" +#include "pipe/p_defines.h" +#include "pipe/p_context.h" +#include "intel_egl.h" +#include "utils.h" + +#ifdef DEBUG +int __intel_debug = 0; +#endif + + +#define need_GL_ARB_multisample +#define need_GL_ARB_point_parameters +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ARB_window_pos +#define need_GL_EXT_blend_color +#define need_GL_EXT_blend_equation_separate +#define need_GL_EXT_blend_func_separate +#define need_GL_EXT_blend_minmax +#define need_GL_EXT_cull_vertex +#define need_GL_EXT_fog_coord +#define need_GL_EXT_framebuffer_object +#define need_GL_EXT_multi_draw_arrays +#define need_GL_EXT_secondary_color +#define need_GL_NV_vertex_program +#include "extension_helper.h" + + +/** + * Extension strings exported by the intel driver. + * + * \note + * It appears that ARB_texture_env_crossbar has "disappeared" compared to the + * old i830-specific driver. + */ +const struct dri_extension card_extensions[] = { + {"GL_ARB_multisample", GL_ARB_multisample_functions}, + {"GL_ARB_multitexture", NULL}, + {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, + {"GL_ARB_texture_border_clamp", NULL}, + {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions}, + {"GL_ARB_texture_cube_map", NULL}, + {"GL_ARB_texture_env_add", NULL}, + {"GL_ARB_texture_env_combine", NULL}, + {"GL_ARB_texture_env_dot3", NULL}, + {"GL_ARB_texture_mirrored_repeat", NULL}, + {"GL_ARB_texture_rectangle", NULL}, + {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions}, + {"GL_ARB_pixel_buffer_object", NULL}, + {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions}, + {"GL_ARB_window_pos", GL_ARB_window_pos_functions}, + {"GL_EXT_blend_color", GL_EXT_blend_color_functions}, + {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions}, + {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions}, + {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions}, + {"GL_EXT_blend_subtract", NULL}, + {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions}, + {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions}, + {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, + {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions}, + {"GL_EXT_packed_depth_stencil", NULL}, + {"GL_EXT_pixel_buffer_object", NULL}, + {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions}, + {"GL_EXT_stencil_wrap", NULL}, + {"GL_EXT_texture_edge_clamp", NULL}, + {"GL_EXT_texture_env_combine", NULL}, + {"GL_EXT_texture_env_dot3", NULL}, + {"GL_EXT_texture_filter_anisotropic", NULL}, + {"GL_EXT_texture_lod_bias", NULL}, + {"GL_3DFX_texture_compression_FXT1", NULL}, + {"GL_APPLE_client_storage", NULL}, + {"GL_MESA_pack_invert", NULL}, + {"GL_MESA_ycbcr_texture", NULL}, + {"GL_NV_blend_square", NULL}, + {"GL_NV_vertex_program", GL_NV_vertex_program_functions}, + {"GL_NV_vertex_program1_1", NULL}, + {"GL_SGIS_generate_mipmap", NULL }, + {NULL, NULL} +}; + + +/* + * Hardware lock functions. + * Doesn't do anything in EGL + */ + +static void +intel_lock_hardware(struct intel_be_context *context) +{ + (void)context; +} + +static void +intel_unlock_hardware(struct intel_be_context *context) +{ + (void)context; +} + +static boolean +intel_locked_hardware(struct intel_be_context *context) +{ + (void)context; + return FALSE; +} + + +/* + * Misc functions. + */ + +int +intel_create_context(struct egl_drm_context *egl_context, const __GLcontextModes *visual, void *sharedContextPrivate) +{ + struct intel_context *intel = CALLOC_STRUCT(intel_context); + struct intel_device *device = (struct intel_device *)egl_context->device->priv; + struct pipe_context *pipe; + struct st_context *st_share = NULL; + + egl_context->priv = intel; + + intel->intel_device = device; + intel->egl_context = egl_context; + intel->egl_device = egl_context->device; + + intel->base.hardware_lock = intel_lock_hardware; + intel->base.hardware_unlock = intel_unlock_hardware; + intel->base.hardware_locked = intel_locked_hardware; + + intel_be_init_context(&intel->base, &device->base); + +#if 0 + pipe = intel_create_softpipe(intel, screen->winsys); +#else + pipe = i915_create_context(device->pipe, &device->base.base, &intel->base.base); +#endif + + pipe->priv = intel; + + intel->st = st_create_context(pipe, visual, st_share); + + device->dummy = intel; + + return TRUE; +} + +int +intel_destroy_context(struct egl_drm_context *egl_context) +{ + struct intel_context *intel = egl_context->priv; + + if (intel->intel_device->dummy == intel) + intel->intel_device->dummy = NULL; + + st_destroy_context(intel->st); + intel_be_destroy_context(&intel->base); + free(intel); + return TRUE; +} + +void +intel_make_current(struct egl_drm_context *context, struct egl_drm_drawable *draw, struct egl_drm_drawable *read) +{ + if (context) { + struct intel_context *intel = (struct intel_context *)context->priv; + struct intel_framebuffer *draw_fb = (struct intel_framebuffer *)draw->priv; + struct intel_framebuffer *read_fb = (struct intel_framebuffer *)read->priv; + + assert(draw_fb->stfb); + assert(read_fb->stfb); + + st_make_current(intel->st, draw_fb->stfb, read_fb->stfb); + + intel->egl_drawable = draw; + + st_resize_framebuffer(draw_fb->stfb, draw->w, draw->h); + + if (draw != read) + st_resize_framebuffer(read_fb->stfb, read->w, read->h); + + } else { + st_make_current(NULL, NULL, NULL); + } +} + +void +intel_bind_frontbuffer(struct egl_drm_drawable *draw, struct egl_drm_frontbuffer *front) +{ + struct intel_device *device = (struct intel_device *)draw->device->priv; + struct intel_framebuffer *draw_fb = (struct intel_framebuffer *)draw->priv; + + if (draw_fb->front_buffer) + driBOUnReference(draw_fb->front_buffer); + + draw_fb->front_buffer = NULL; + draw_fb->front = NULL; + + /* to unbind just call this function with front == NULL */ + if (!front) + return; + + draw_fb->front = front; + + driGenBuffers(device->base.staticPool, "front", 1, &draw_fb->front_buffer, 0, 0, 0); + driBOSetReferenced(draw_fb->front_buffer, front->handle); + + st_resize_framebuffer(draw_fb->stfb, draw->w, draw->h); +} |