diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon/radeon_context.c')
| -rw-r--r-- | src/gallium/winsys/drm/radeon/radeon_context.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/radeon_context.c b/src/gallium/winsys/drm/radeon/radeon_context.c new file mode 100644 index 0000000000..a9d1577634 --- /dev/null +++ b/src/gallium/winsys/drm/radeon/radeon_context.c @@ -0,0 +1,306 @@ +/* + * Copyright © 2008 Jérôme Glisse + * 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 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 THE COPYRIGHT HOLDERS, AUTHORS + * 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + */ +/* + * Authors: + * Jérôme Glisse <glisse@freedesktop.org> + */ +#include <stdio.h> +#include "dri_util.h" +#include "pipe/p_defines.h" +#include "pipe/p_inlines.h" +#include "state_tracker/st_public.h" +#include "state_tracker/st_context.h" +#include "radeon_screen.h" +#include "radeon_context.h" +#include "radeon_buffer.h" +#include "radeon_winsys_softpipe.h" + +#define need_GL_ARB_fragment_program +#define need_GL_ARB_multisample +#define need_GL_ARB_point_parameters +#define need_GL_ARB_shader_objects +#define need_GL_ARB_texture_compression +#define need_GL_ARB_vertex_buffer_object +#define need_GL_ARB_vertex_program +#define need_GL_ARB_vertex_shader +#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_compiled_vertex_array +#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_VERSION_2_0 +#define need_GL_VERSION_2_1 +#include "extension_helper.h" + +/** + * Extension strings exported by the radeon driver. + */ +const struct dri_extension radeon_card_extensions[] = { + {"GL_ARB_multitexture", NULL}, + {"GL_ARB_texture_border_clamp", NULL}, + {"GL_ARB_texture_rectangle", NULL}, + {"GL_ARB_pixel_buffer_object", NULL}, + {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, + {"GL_ARB_shader_objects", GL_ARB_shader_objects_functions}, + {"GL_ARB_shading_language_100", GL_VERSION_2_0_functions}, + {"GL_ARB_shading_language_120", GL_VERSION_2_1_functions}, + {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions}, + {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions}, + {"GL_ARB_vertex_shader", GL_ARB_vertex_shader_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_compiled_vertex_array", GL_EXT_compiled_vertex_array_functions}, + {"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}, + {NULL, NULL} +}; + +static void radeon_update_renderbuffers(__DRIcontext *dri_context, + __DRIdrawable *dri_drawable) +{ + struct radeon_framebuffer *radeon_fb; + struct radeon_context *radeon_context; + unsigned attachments[10]; + __DRIbuffer *buffers; + __DRIscreen *screen; + int i, count; + + radeon_context = dri_context->driverPrivate; + screen = dri_drawable->driScreenPriv; + radeon_fb = dri_drawable->driverPrivate; + for (count = 0, i = 0; count < 6; count++) { + if (radeon_fb->attachments & (1 << count)) { + attachments[i++] = count; + } + } + + buffers = (*screen->dri2.loader->getBuffers)(dri_drawable, + &dri_drawable->w, + &dri_drawable->h, + attachments, + i, + &count, + dri_drawable->loaderPrivate); + if (buffers == NULL) { + return; + } + + /* set one cliprect to cover the whole dri_drawable */ + dri_drawable->x = 0; + dri_drawable->y = 0; + dri_drawable->backX = 0; + dri_drawable->backY = 0; + dri_drawable->numClipRects = 1; + dri_drawable->pClipRects[0].x1 = 0; + dri_drawable->pClipRects[0].y1 = 0; + dri_drawable->pClipRects[0].x2 = dri_drawable->w; + dri_drawable->pClipRects[0].y2 = dri_drawable->h; + dri_drawable->numBackClipRects = 1; + dri_drawable->pBackClipRects[0].x1 = 0; + dri_drawable->pBackClipRects[0].y1 = 0; + dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; + dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; + + for (i = 0; i < count; i++) { + struct pipe_surface *ps; + enum pipe_format format = 0; + int index = 0; + + switch (buffers[i].attachment) { + case __DRI_BUFFER_FRONT_LEFT: + index = ST_SURFACE_FRONT_LEFT; + switch (buffers[i].cpp) { + case 4: + format = PIPE_FORMAT_A8R8G8B8_UNORM; + break; + case 2: + format = PIPE_FORMAT_R5G6B5_UNORM; + break; + default: + /* FIXME: error */ + return; + } + break; + case __DRI_BUFFER_BACK_LEFT: + index = ST_SURFACE_BACK_LEFT; + switch (buffers[i].cpp) { + case 4: + format = PIPE_FORMAT_A8R8G8B8_UNORM; + break; + case 2: + format = PIPE_FORMAT_R5G6B5_UNORM; + break; + default: + /* FIXME: error */ + return; + } + break; + case __DRI_BUFFER_STENCIL: + case __DRI_BUFFER_DEPTH: + index = ST_SURFACE_DEPTH; + switch (buffers[i].cpp) { + case 4: + format = PIPE_FORMAT_Z24S8_UNORM; + break; + case 2: + format = PIPE_FORMAT_Z16_UNORM; + break; + default: + /* FIXME: error */ + return; + } + break; + case __DRI_BUFFER_ACCUM: + default: + fprintf(stderr, + "unhandled buffer attach event, attacment type %d\n", + buffers[i].attachment); + return; + } + + ps = radeon_surface_from_handle(radeon_context, + buffers[i].name, + format, + dri_drawable->w, + dri_drawable->h, + buffers[i].pitch); + assert(ps); + st_set_framebuffer_surface(radeon_fb->st_framebuffer, index, ps); + } + st_resize_framebuffer(radeon_fb->st_framebuffer, + dri_drawable->w, + dri_drawable->h); +} + +GLboolean radeon_context_create(const __GLcontextModes *visual, + __DRIcontextPrivate *dri_context, + void *shared_context) +{ + __DRIscreenPrivate *dri_screen; + struct radeon_context *radeon_context; + struct radeon_screen *radeon_screen; + struct pipe_context *pipe; + struct st_context *shared_st_context = NULL; + + dri_context->driverPrivate = NULL; + radeon_context = calloc(1, sizeof(struct radeon_context)); + if (radeon_context == NULL) { + return GL_FALSE; + } + + if (shared_context) { + shared_st_context = ((struct radeon_context*)shared_context)->st_context; + } + + dri_screen = dri_context->driScreenPriv; + radeon_screen = dri_screen->private; + radeon_context->dri_screen = dri_screen; + radeon_context->radeon_screen = radeon_screen; + radeon_context->drm_fd = dri_screen->fd; + + radeon_context->pipe_winsys = radeon_pipe_winsys(radeon_screen); + if (radeon_context->pipe_winsys == NULL) { + free(radeon_context); + return GL_FALSE; + } + + if (!getenv("RADEON_SOFTPIPE")) { + fprintf(stderr, "Creating r300 context...\n"); + pipe = + r300_create_context(NULL, + radeon_context->pipe_winsys, + radeon_create_r300_winsys(radeon_context->drm_fd)); + radeon_context->pipe_screen = pipe->screen; + } else { + pipe = radeon_create_softpipe(radeon_context); + } + radeon_context->st_context = st_create_context(pipe, visual, + shared_st_context); + driInitExtensions(radeon_context->st_context->ctx, + radeon_card_extensions, GL_TRUE); + dri_context->driverPrivate = radeon_context; + return GL_TRUE; +} + +void radeon_context_destroy(__DRIcontextPrivate *dri_context) +{ + struct radeon_context *radeon_context; + + radeon_context = dri_context->driverPrivate; + st_finish(radeon_context->st_context); + st_destroy_context(radeon_context->st_context); + free(radeon_context); +} + +GLboolean radeon_context_bind(__DRIcontextPrivate *dri_context, + __DRIdrawablePrivate *dri_drawable, + __DRIdrawablePrivate *dri_readable) +{ + struct radeon_framebuffer *drawable; + struct radeon_framebuffer *readable; + struct radeon_context *radeon_context; + + if (dri_context == NULL) { + st_make_current(NULL, NULL, NULL); + return GL_TRUE; + } + + radeon_context = dri_context->driverPrivate; + drawable = dri_drawable->driverPrivate; + readable = dri_readable->driverPrivate; + st_make_current(radeon_context->st_context, + drawable->st_framebuffer, + readable->st_framebuffer); + + radeon_update_renderbuffers(dri_context, dri_drawable); + if (dri_drawable != dri_readable) { + radeon_update_renderbuffers(dri_context, dri_readable); + } + return GL_TRUE; +} + +GLboolean radeon_context_unbind(__DRIcontextPrivate *dri_context) +{ + struct radeon_context *radeon_context; + + radeon_context = dri_context->driverPrivate; + st_flush(radeon_context->st_context, PIPE_FLUSH_RENDER_CACHE, NULL); + return GL_TRUE; +} |