diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_program.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_program.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_program.c b/mesalib/src/mesa/state_tracker/st_cb_program.c new file mode 100644 index 000000000..5096528a3 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_program.c @@ -0,0 +1,245 @@ +/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "main/shaderapi.h"
+#include "program/prog_instruction.h"
+#include "program/program.h"
+
+#include "cso_cache/cso_context.h"
+#include "draw/draw_context.h"
+
+#include "st_context.h"
+#include "st_program.h"
+#include "st_mesa_to_tgsi.h"
+#include "st_cb_program.h"
+
+
+
+/**
+ * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
+ * fragment program.
+ */
+static void
+st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog)
+{
+ struct st_context *st = st_context(ctx);
+
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+ break;
+ }
+}
+
+
+/**
+ * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
+ * (vertex shader + fragment shader).
+ */
+static void
+st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
+{
+ struct st_context *st = st_context(ctx);
+
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+}
+
+
+/**
+ * Called via ctx->Driver.NewProgram() to allocate a new vertex or
+ * fragment program.
+ */
+static struct gl_program *
+st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
+{
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB: {
+ struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
+ return _mesa_init_vertex_program(ctx, &prog->Base, target, id);
+ }
+
+ case GL_FRAGMENT_PROGRAM_ARB:
+ case GL_FRAGMENT_PROGRAM_NV: {
+ struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
+ return _mesa_init_fragment_program(ctx, &prog->Base, target, id);
+ }
+
+ case MESA_GEOMETRY_PROGRAM: {
+ struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
+ return _mesa_init_geometry_program(ctx, &prog->Base, target, id);
+ }
+
+ default:
+ assert(0);
+ return NULL;
+ }
+}
+
+
+/**
+ * Called via ctx->Driver.DeleteProgram()
+ */
+static void
+st_delete_program(struct gl_context *ctx, struct gl_program *prog)
+{
+ struct st_context *st = st_context(ctx);
+
+ switch( prog->Target ) {
+ case GL_VERTEX_PROGRAM_ARB:
+ {
+ struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
+ st_release_vp_variants( st, stvp );
+ }
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ {
+ struct st_geometry_program *stgp =
+ (struct st_geometry_program *) prog;
+
+ st_release_gp_variants(st, stgp);
+
+ if (stgp->tgsi.tokens) {
+ st_free_tokens((void *) stgp->tgsi.tokens);
+ stgp->tgsi.tokens = NULL;
+ }
+ }
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ {
+ struct st_fragment_program *stfp =
+ (struct st_fragment_program *) prog;
+
+ st_release_fp_variants(st, stfp);
+
+ if (stfp->tgsi.tokens) {
+ st_free_tokens(stfp->tgsi.tokens);
+ stfp->tgsi.tokens = NULL;
+ }
+ }
+ break;
+ default:
+ assert(0); /* problem */
+ }
+
+ /* delete base class */
+ _mesa_delete_program( ctx, prog );
+}
+
+
+/**
+ * Called via ctx->Driver.IsProgramNative()
+ */
+static GLboolean
+st_is_program_native(struct gl_context *ctx,
+ GLenum target,
+ struct gl_program *prog)
+{
+ return GL_TRUE;
+}
+
+
+/**
+ * Called via ctx->Driver.ProgramStringNotify()
+ * Called when the program's text/code is changed. We have to free
+ * all shader variants and corresponding gallium shaders when this happens.
+ */
+static GLboolean
+st_program_string_notify( struct gl_context *ctx,
+ GLenum target,
+ struct gl_program *prog )
+{
+ struct st_context *st = st_context(ctx);
+
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
+
+ st_release_fp_variants(st, stfp);
+
+ if (stfp->tgsi.tokens) {
+ st_free_tokens(stfp->tgsi.tokens);
+ stfp->tgsi.tokens = NULL;
+ }
+
+ if (st->fp == stfp)
+ st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
+ }
+ else if (target == MESA_GEOMETRY_PROGRAM) {
+ struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
+
+ st_release_gp_variants(st, stgp);
+
+ if (stgp->tgsi.tokens) {
+ st_free_tokens((void *) stgp->tgsi.tokens);
+ stgp->tgsi.tokens = NULL;
+ }
+
+ if (st->gp == stgp)
+ st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
+ }
+ else if (target == GL_VERTEX_PROGRAM_ARB) {
+ struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
+
+ st_release_vp_variants( st, stvp );
+
+ if (st->vp == stvp)
+ st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
+ }
+
+ /* XXX check if program is legal, within limits */
+ return GL_TRUE;
+}
+
+
+/**
+ * Plug in the program and shader-related device driver functions.
+ */
+void
+st_init_program_functions(struct dd_function_table *functions)
+{
+ functions->BindProgram = st_bind_program;
+ functions->UseProgram = st_use_program;
+ functions->NewProgram = st_new_program;
+ functions->DeleteProgram = st_delete_program;
+ functions->IsProgramNative = st_is_program_native;
+ functions->ProgramStringNotify = st_program_string_notify;
+}
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