1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "main/imports.h"
29 #include "main/accum.h"
30 #include "main/api_exec.h"
31 #include "main/context.h"
32 #include "main/samplerobj.h"
33 #include "main/shaderobj.h"
34 #include "main/version.h"
35 #include "main/vtxfmt.h"
36 #include "program/prog_cache.h"
38 #include "glapi/glapi.h"
39 #include "st_context.h"
41 #include "st_cb_bitmap.h"
42 #include "st_cb_blit.h"
43 #include "st_cb_bufferobjects.h"
44 #include "st_cb_clear.h"
45 #include "st_cb_condrender.h"
46 #include "st_cb_drawpixels.h"
47 #include "st_cb_rasterpos.h"
48 #include "st_cb_drawtex.h"
49 #include "st_cb_eglimage.h"
50 #include "st_cb_fbo.h"
51 #include "st_cb_feedback.h"
52 #include "st_cb_msaa.h"
53 #include "st_cb_program.h"
54 #include "st_cb_queryobj.h"
55 #include "st_cb_readpixels.h"
56 #include "st_cb_texture.h"
57 #include "st_cb_xformfb.h"
58 #include "st_cb_flush.h"
59 #include "st_cb_syncobj.h"
60 #include "st_cb_strings.h"
61 #include "st_cb_texturebarrier.h"
62 #include "st_cb_viewport.h"
65 #include "st_extensions.h"
66 #include "st_gen_mipmap.h"
67 #include "st_program.h"
68 #include "pipe/p_context.h"
69 #include "util/u_inlines.h"
70 #include "util/u_upload_mgr.h"
71 #include "cso_cache/cso_context.h"
74 DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE)
78 * Called via ctx->Driver.UpdateState()
80 void st_invalidate_state(struct gl_context * ctx, GLuint new_state)
82 struct st_context *st = st_context(ctx);
84 /* Replace _NEW_FRAG_CLAMP with ST_NEW_FRAGMENT_PROGRAM for the fallback. */
85 if (st->clamp_frag_color_in_shader && (new_state & _NEW_FRAG_CLAMP)) {
86 new_state &= ~_NEW_FRAG_CLAMP;
87 st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
90 /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */
91 if (st->clamp_vert_color_in_shader && (new_state & _NEW_LIGHT)) {
92 st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
95 st->dirty.mesa |= new_state;
96 st->dirty.st |= ST_NEW_MESA;
98 /* This is the only core Mesa module we depend upon.
99 * No longer use swrast, swsetup, tnl.
101 _vbo_InvalidateState(ctx, new_state);
104 static struct st_context *
105 st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
106 const struct st_config_options *options)
108 struct pipe_screen *screen = pipe->screen;
110 struct st_context *st = ST_CALLOC_STRUCT( st_context );
112 st->options = *options;
119 /* XXX: this is one-off, per-screen init: */
122 /* state tracker needs the VBO module */
123 _vbo_CreateContext(ctx);
128 st->uploader = u_upload_create(st->pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER);
130 if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) {
131 st->indexbuf_uploader = u_upload_create(st->pipe, 128 * 1024, 4,
132 PIPE_BIND_INDEX_BUFFER);
135 if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS)) {
137 screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
139 st->constbuf_uploader = u_upload_create(pipe, 128 * 1024, alignment,
140 PIPE_BIND_CONSTANT_BUFFER);
143 st->cso_context = cso_create_context(pipe);
149 st_init_generate_mipmap(st);
151 if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
152 st->internal_target = PIPE_TEXTURE_2D;
154 st->internal_target = PIPE_TEXTURE_RECT;
156 /* Vertex element objects used for drawing rectangles for glBitmap,
157 * glDrawPixels, glClear, etc.
159 for (i = 0; i < Elements(st->velems_util_draw); i++) {
160 memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element));
161 st->velems_util_draw[i].src_offset = i * 4 * sizeof(float);
162 st->velems_util_draw[i].instance_divisor = 0;
163 st->velems_util_draw[i].vertex_buffer_index =
164 cso_get_aux_vertex_buffer_slot(st->cso_context);
165 st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
168 /* we want all vertex data to be placed in buffer objects */
169 vbo_use_buffer_objects(ctx);
172 /* make sure that no VBOs are left mapped when we're drawing. */
173 vbo_always_unmap_buffers(ctx);
177 st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
179 st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
181 st->pixel_xfer.cache = _mesa_new_program_cache();
183 st->has_stencil_export =
184 screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT);
185 st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3);
186 st->prefer_blit_based_texture_transfer = screen->get_param(screen,
187 PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER);
189 st->needs_texcoord_semantic =
190 screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD);
191 st->apply_texture_swizzle_to_border_color =
192 !!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) &
193 (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 |
194 PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600));
196 /* GL limits and extensions */
198 st_init_extensions(st);
200 _mesa_compute_version(ctx);
202 _mesa_initialize_dispatch_tables(ctx);
203 _mesa_initialize_vbo_vtxfmt(ctx);
208 static void st_init_driver_flags(struct gl_driver_flags *f)
210 f->NewArray = ST_NEW_VERTEX_ARRAYS;
213 struct st_context *st_create_context(gl_api api, struct pipe_context *pipe,
214 const struct gl_config *visual,
215 struct st_context *share,
216 const struct st_config_options *options)
218 struct gl_context *ctx;
219 struct gl_context *shareCtx = share ? share->ctx : NULL;
220 struct dd_function_table funcs;
223 STATIC_ASSERT(MESA_SHADER_VERTEX == PIPE_SHADER_VERTEX);
224 STATIC_ASSERT(MESA_SHADER_FRAGMENT == PIPE_SHADER_FRAGMENT);
225 STATIC_ASSERT(MESA_SHADER_GEOMETRY == PIPE_SHADER_GEOMETRY);
227 memset(&funcs, 0, sizeof(funcs));
228 st_init_driver_functions(&funcs);
230 ctx = _mesa_create_context(api, visual, shareCtx, &funcs);
235 st_init_driver_flags(&ctx->DriverFlags);
237 /* XXX: need a capability bit in gallium to query if the pipe
238 * driver prefers DP4 or MUL/MAD for vertex transformation.
240 if (debug_get_option_mesa_mvp_dp4())
241 _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
243 return st_create_context_priv(ctx, pipe, options);
247 static void st_destroy_context_priv( struct st_context *st )
251 st_destroy_atoms( st );
252 st_destroy_draw( st );
253 st_destroy_generate_mipmap(st);
254 st_destroy_clear(st);
255 st_destroy_bitmap(st);
256 st_destroy_drawpix(st);
257 st_destroy_drawtex(st);
259 for (shader = 0; shader < Elements(st->state.sampler_views); shader++) {
260 for (i = 0; i < Elements(st->state.sampler_views[0]); i++) {
261 pipe_sampler_view_release(st->pipe,
262 &st->state.sampler_views[shader][i]);
266 if (st->default_texture) {
267 st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture);
268 st->default_texture = NULL;
271 u_upload_destroy(st->uploader);
272 if (st->indexbuf_uploader) {
273 u_upload_destroy(st->indexbuf_uploader);
275 if (st->constbuf_uploader) {
276 u_upload_destroy(st->constbuf_uploader);
282 void st_destroy_context( struct st_context *st )
284 struct pipe_context *pipe = st->pipe;
285 struct cso_context *cso = st->cso_context;
286 struct gl_context *ctx = st->ctx;
289 /* need to unbind and destroy CSO objects before anything else */
290 cso_release_all(st->cso_context);
292 st_reference_fragprog(st, &st->fp, NULL);
293 st_reference_vertprog(st, &st->vp, NULL);
295 /* release framebuffer surfaces */
296 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
297 pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
299 pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
301 pipe->set_index_buffer(pipe, NULL);
303 for (i = 0; i < PIPE_SHADER_TYPES; i++) {
304 pipe->set_constant_buffer(pipe, i, 0, NULL);
307 _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
309 _vbo_DestroyContext(st->ctx);
311 st_destroy_program_variants(st);
313 _mesa_free_context_data(ctx);
315 /* This will free the st_context too, so 'st' must not be accessed
317 st_destroy_context_priv(st);
320 cso_destroy_context(cso);
322 pipe->destroy( pipe );
328 void st_init_driver_functions(struct dd_function_table *functions)
330 _mesa_init_shader_object_functions(functions);
331 _mesa_init_sampler_object_functions(functions);
333 functions->Accum = _mesa_accum;
335 st_init_blit_functions(functions);
336 st_init_bufferobject_functions(functions);
337 st_init_clear_functions(functions);
338 st_init_bitmap_functions(functions);
339 st_init_drawpixels_functions(functions);
340 st_init_rasterpos_functions(functions);
342 st_init_drawtex_functions(functions);
344 st_init_eglimage_functions(functions);
346 st_init_fbo_functions(functions);
347 st_init_feedback_functions(functions);
348 st_init_msaa_functions(functions);
349 st_init_program_functions(functions);
350 st_init_query_functions(functions);
351 st_init_cond_render_functions(functions);
352 st_init_readpixels_functions(functions);
353 st_init_texture_functions(functions);
354 st_init_texture_barrier_functions(functions);
355 st_init_flush_functions(functions);
356 st_init_string_functions(functions);
357 st_init_viewport_functions(functions);
359 st_init_xformfb_functions(functions);
360 st_init_syncobj_functions(functions);
362 functions->UpdateState = st_invalidate_state;