diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_context.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_context.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_context.c b/mesalib/src/mesa/state_tracker/st_context.c new file mode 100644 index 000000000..4656930ac --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_context.c @@ -0,0 +1,299 @@ +/**************************************************************************
+ *
+ * Copyright 2007 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 "main/imports.h"
+#include "main/context.h"
+#include "main/shaderobj.h"
+#include "program/prog_cache.h"
+#include "vbo/vbo.h"
+#include "glapi/glapi.h"
+#include "st_context.h"
+#include "st_debug.h"
+#include "st_cb_accum.h"
+#include "st_cb_bitmap.h"
+#include "st_cb_blit.h"
+#include "st_cb_bufferobjects.h"
+#include "st_cb_clear.h"
+#include "st_cb_condrender.h"
+#include "st_cb_drawpixels.h"
+#include "st_cb_rasterpos.h"
+#include "st_cb_drawtex.h"
+#include "st_cb_eglimage.h"
+#include "st_cb_fbo.h"
+#include "st_cb_feedback.h"
+#include "st_cb_program.h"
+#include "st_cb_queryobj.h"
+#include "st_cb_readpixels.h"
+#include "st_cb_texture.h"
+#include "st_cb_xformfb.h"
+#include "st_cb_flush.h"
+#include "st_cb_strings.h"
+#include "st_cb_viewport.h"
+#include "st_atom.h"
+#include "st_draw.h"
+#include "st_extensions.h"
+#include "st_gen_mipmap.h"
+#include "st_program.h"
+#include "pipe/p_context.h"
+#include "util/u_inlines.h"
+#include "cso_cache/cso_context.h"
+
+
+DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE)
+
+
+/**
+ * Called via ctx->Driver.UpdateState()
+ */
+void st_invalidate_state(struct gl_context * ctx, GLuint new_state)
+{
+ struct st_context *st = st_context(ctx);
+
+ st->dirty.mesa |= new_state;
+ st->dirty.st |= ST_NEW_MESA;
+
+ /* This is the only core Mesa module we depend upon.
+ * No longer use swrast, swsetup, tnl.
+ */
+ _vbo_InvalidateState(ctx, new_state);
+}
+
+
+/**
+ * Check for multisample env var override.
+ */
+int
+st_get_msaa(void)
+{
+ const char *msaa = _mesa_getenv("__GL_FSAA_MODE");
+ if (msaa)
+ return atoi(msaa);
+ return 0;
+}
+
+
+static struct st_context *
+st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe )
+{
+ uint i;
+ struct st_context *st = ST_CALLOC_STRUCT( st_context );
+
+ ctx->st = st;
+
+ st->ctx = ctx;
+ st->pipe = pipe;
+
+ /* XXX: this is one-off, per-screen init: */
+ st_debug_init();
+
+ /* state tracker needs the VBO module */
+ _vbo_CreateContext(ctx);
+
+ st->dirty.mesa = ~0;
+ st->dirty.st = ~0;
+
+ st->cso_context = cso_create_context(pipe);
+
+ st_init_atoms( st );
+ st_init_bitmap(st);
+ st_init_clear(st);
+ st_init_draw( st );
+ st_init_generate_mipmap(st);
+ st_init_blit(st);
+
+ if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
+ st->internal_target = PIPE_TEXTURE_2D;
+ else
+ st->internal_target = PIPE_TEXTURE_RECT;
+
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
+ st->state.sampler_list[i] = &st->state.samplers[i];
+
+ for (i = 0; i < 3; i++) {
+ memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element));
+ st->velems_util_draw[i].src_offset = i * 4 * sizeof(float);
+ st->velems_util_draw[i].instance_divisor = 0;
+ st->velems_util_draw[i].vertex_buffer_index = 0;
+ st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ }
+
+ /* we want all vertex data to be placed in buffer objects */
+ vbo_use_buffer_objects(ctx);
+
+ /* Need these flags:
+ */
+ st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
+
+ st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
+
+ st->pixel_xfer.cache = _mesa_new_program_cache();
+
+ st->force_msaa = st_get_msaa();
+
+ /* GL limits and extensions */
+ st_init_limits(st);
+ st_init_extensions(st);
+
+ return st;
+}
+
+
+struct st_context *st_create_context(gl_api api, struct pipe_context *pipe,
+ const struct gl_config *visual,
+ struct st_context *share)
+{
+ struct gl_context *ctx;
+ struct gl_context *shareCtx = share ? share->ctx : NULL;
+ struct dd_function_table funcs;
+
+ /* Sanity checks */
+ assert(MESA_SHADER_VERTEX == PIPE_SHADER_VERTEX);
+ assert(MESA_SHADER_FRAGMENT == PIPE_SHADER_FRAGMENT);
+ assert(MESA_SHADER_GEOMETRY == PIPE_SHADER_GEOMETRY);
+
+ memset(&funcs, 0, sizeof(funcs));
+ st_init_driver_functions(&funcs);
+
+ ctx = _mesa_create_context_for_api(api, visual, shareCtx, &funcs, NULL);
+
+ /* XXX: need a capability bit in gallium to query if the pipe
+ * driver prefers DP4 or MUL/MAD for vertex transformation.
+ */
+ if (debug_get_option_mesa_mvp_dp4())
+ _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
+
+ return st_create_context_priv(ctx, pipe);
+}
+
+
+static void st_destroy_context_priv( struct st_context *st )
+{
+ uint i;
+
+ st_destroy_atoms( st );
+ st_destroy_draw( st );
+ st_destroy_generate_mipmap(st);
+ st_destroy_blit(st);
+ st_destroy_clear(st);
+ st_destroy_bitmap(st);
+ st_destroy_drawpix(st);
+ st_destroy_drawtex(st);
+
+ for (i = 0; i < Elements(st->state.sampler_views); i++) {
+ pipe_sampler_view_reference(&st->state.sampler_views[i], NULL);
+ }
+
+ for (i = 0; i < Elements(st->state.constants); i++) {
+ if (st->state.constants[i]) {
+ pipe_resource_reference(&st->state.constants[i], NULL);
+ }
+ }
+
+ if (st->default_texture) {
+ st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture);
+ st->default_texture = NULL;
+ }
+
+ free( st );
+}
+
+
+void st_destroy_context( struct st_context *st )
+{
+ struct pipe_context *pipe = st->pipe;
+ struct cso_context *cso = st->cso_context;
+ struct gl_context *ctx = st->ctx;
+ GLuint i;
+
+ /* need to unbind and destroy CSO objects before anything else */
+ cso_release_all(st->cso_context);
+
+ st_reference_fragprog(st, &st->fp, NULL);
+ st_reference_vertprog(st, &st->vp, NULL);
+
+ /* release framebuffer surfaces */
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
+ }
+ pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
+
+ pipe->set_index_buffer(pipe, NULL);
+
+ for (i = 0; i < PIPE_SHADER_TYPES; i++) {
+ pipe->set_constant_buffer(pipe, i, 0, NULL);
+ pipe_resource_reference(&st->state.constants[i], NULL);
+ }
+
+ _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
+
+ _vbo_DestroyContext(st->ctx);
+
+ st_destroy_program_variants(st);
+
+ _mesa_free_context_data(ctx);
+
+ st_destroy_context_priv(st);
+
+ cso_destroy_context(cso);
+
+ pipe->destroy( pipe );
+
+ free(ctx);
+}
+
+
+void st_init_driver_functions(struct dd_function_table *functions)
+{
+ _mesa_init_shader_object_functions(functions);
+
+ st_init_accum_functions(functions);
+ st_init_blit_functions(functions);
+ st_init_bufferobject_functions(functions);
+ st_init_clear_functions(functions);
+ st_init_bitmap_functions(functions);
+ st_init_drawpixels_functions(functions);
+ st_init_rasterpos_functions(functions);
+
+ st_init_drawtex_functions(functions);
+
+ st_init_eglimage_functions(functions);
+
+ st_init_fbo_functions(functions);
+ st_init_feedback_functions(functions);
+ st_init_program_functions(functions);
+ st_init_query_functions(functions);
+ st_init_cond_render_functions(functions);
+ st_init_readpixels_functions(functions);
+ st_init_texture_functions(functions);
+ st_init_flush_functions(functions);
+ st_init_string_functions(functions);
+ st_init_viewport_functions(functions);
+
+ st_init_xformfb_functions(functions);
+
+ functions->UpdateState = st_invalidate_state;
+}
|