diff options
Diffstat (limited to 'src/gallium/state_trackers/egl/egl_context.c')
| -rw-r--r-- | src/gallium/state_trackers/egl/egl_context.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/egl_context.c b/src/gallium/state_trackers/egl/egl_context.c new file mode 100644 index 00000000000..217fe00338e --- /dev/null +++ b/src/gallium/state_trackers/egl/egl_context.c @@ -0,0 +1,194 @@ + +#include "utils.h" +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "egl_tracker.h" + +#include "egllog.h" + + +#include "pipe/p_context.h" +#include "pipe/p_screen.h" +#include "pipe/p_winsys.h" + +#include "state_tracker/st_public.h" +#include "state_tracker/drm_api.h" + +#include "GL/internal/glcore.h" + +#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" + +/** + * TODO HACK! FUGLY! + * Copied for intel extentions. + */ +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} +}; + +EGLContext +drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) +{ + struct drm_device *dev = (struct drm_device *)drv; + struct drm_context *ctx; + struct drm_context *share = NULL; + struct st_context *st_share = NULL; + _EGLConfig *conf; + int i; + __GLcontextModes *visual; + + conf = _eglLookupConfig(drv, dpy, config); + if (!conf) { + _eglError(EGL_BAD_CONFIG, "eglCreateContext"); + return EGL_NO_CONTEXT; + } + + for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) { + switch (attrib_list[i]) { + /* no attribs defined for now */ + default: + _eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext"); + return EGL_NO_CONTEXT; + } + } + + ctx = (struct drm_context *) calloc(1, sizeof(struct drm_context)); + if (!ctx) + goto err_c; + + _eglInitContext(drv, dpy, &ctx->base, config, attrib_list); + + ctx->pipe = drm_api_hocks.create_context(dev->screen); + if (!ctx->pipe) + goto err_pipe; + + if (share) + st_share = share->st; + + visual = drm_visual_from_config(conf); + ctx->st = st_create_context(ctx->pipe, visual, st_share); + drm_visual_modes_destroy(visual); + + if (!ctx->st) + goto err_gl; + + /* generate handle and insert into hash table */ + _eglSaveContext(&ctx->base); + assert(_eglGetContextHandle(&ctx->base)); + + return _eglGetContextHandle(&ctx->base); + +err_gl: + ctx->pipe->destroy(ctx->pipe); +err_pipe: + free(ctx); +err_c: + return EGL_NO_CONTEXT; +} + +EGLBoolean +drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context) +{ + struct drm_context *c = lookup_drm_context(context); + _eglRemoveContext(&c->base); + if (c->base.IsBound) { + c->base.DeletePending = EGL_TRUE; + } else { + st_destroy_context(c->st); + c->pipe->destroy(c->pipe); + free(c); + } + return EGL_TRUE; +} + +EGLBoolean +drm_make_current(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context) +{ + struct drm_surface *readSurf = lookup_drm_surface(read); + struct drm_surface *drawSurf = lookup_drm_surface(draw); + struct drm_context *ctx = lookup_drm_context(context); + EGLBoolean b; + + b = _eglMakeCurrent(drv, dpy, draw, read, context); + if (!b) + return EGL_FALSE; + + if (ctx) { + if (!drawSurf || !readSurf) + return EGL_FALSE; + + drawSurf->user = ctx; + readSurf->user = ctx; + + st_make_current(ctx->st, drawSurf->stfb, readSurf->stfb); + + /* st_resize_framebuffer needs a bound context to work */ + st_resize_framebuffer(drawSurf->stfb, drawSurf->w, drawSurf->h); + st_resize_framebuffer(readSurf->stfb, readSurf->w, readSurf->h); + } else { + drawSurf->user = NULL; + readSurf->user = NULL; + + st_make_current(NULL, NULL, NULL); + } + + return EGL_TRUE; +} |