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authormarha <marha@users.sourceforge.net>2012-05-15 15:07:22 +0200
committermarha <marha@users.sourceforge.net>2012-05-15 15:07:22 +0200
commit9818207986d5db9831e43eb2a640be68f54bb2ef (patch)
treee1ac6d17b2da887a2110c1337f01fc6fbdfa68fd /mesalib/src/mesa/state_tracker/st_atom_constbuf.c
parente6ff1fe09702cb307729b3208175c84f623f2968 (diff)
parent062c45ff0df6a52080dcd74433710d47127cbe29 (diff)
downloadvcxsrv-9818207986d5db9831e43eb2a640be68f54bb2ef.tar.gz
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Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_constbuf.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_constbuf.c347
1 files changed, 177 insertions, 170 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
index 87a479a22..fd9228583 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c
@@ -1,170 +1,177 @@
-/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
-/*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-#include "main/imports.h"
-#include "program/prog_parameter.h"
-#include "program/prog_print.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-
-#include "st_debug.h"
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_atom_constbuf.h"
-#include "st_program.h"
-
-
-/**
- * Pass the given program parameters to the graphics pipe as a
- * constant buffer.
- * \param shader_type either PIPE_SHADER_VERTEX or PIPE_SHADER_FRAGMENT
- */
-void st_upload_constants( struct st_context *st,
- struct gl_program_parameter_list *params,
- unsigned shader_type)
-{
- struct pipe_context *pipe = st->pipe;
-
- assert(shader_type == PIPE_SHADER_VERTEX ||
- shader_type == PIPE_SHADER_FRAGMENT ||
- shader_type == PIPE_SHADER_GEOMETRY);
-
- /* update constants */
- if (params && params->NumParameters) {
- struct pipe_resource *cbuf;
- const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
-
- /* Update the constants which come from fixed-function state, such as
- * transformation matrices, fog factors, etc. The rest of the values in
- * the parameters list are explicitly set by the user with glUniform,
- * glProgramParameter(), etc.
- */
- _mesa_load_state_parameters(st->ctx, params);
-
- /* We always need to get a new buffer, to keep the drivers simple and
- * avoid gratuitous rendering synchronization.
- * Let's use a user buffer to avoid an unnecessary copy.
- */
- cbuf = pipe_user_buffer_create(pipe->screen,
- params->ParameterValues,
- paramBytes,
- PIPE_BIND_CONSTANT_BUFFER);
-
- if (ST_DEBUG & DEBUG_CONSTANTS) {
- debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n",
- __FUNCTION__, shader_type, params->NumParameters,
- params->StateFlags);
- _mesa_print_parameter_list(params);
- }
-
- st->pipe->set_constant_buffer(st->pipe, shader_type, 0, cbuf);
- pipe_resource_reference(&cbuf, NULL);
-
- st->state.constants[shader_type].ptr = params->ParameterValues;
- st->state.constants[shader_type].size = paramBytes;
- }
- else if (st->state.constants[shader_type].ptr) {
- st->state.constants[shader_type].ptr = NULL;
- st->state.constants[shader_type].size = 0;
- st->pipe->set_constant_buffer(st->pipe, shader_type, 0, NULL);
- }
-}
-
-
-/**
- * Vertex shader:
- */
-static void update_vs_constants(struct st_context *st )
-{
- struct st_vertex_program *vp = st->vp;
- struct gl_program_parameter_list *params = vp->Base.Base.Parameters;
-
- st_upload_constants( st, params, PIPE_SHADER_VERTEX );
-}
-
-
-const struct st_tracked_state st_update_vs_constants = {
- "st_update_vs_constants", /* name */
- { /* dirty */
- (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
- ST_NEW_VERTEX_PROGRAM, /* st */
- },
- update_vs_constants /* update */
-};
-
-
-
-/**
- * Fragment shader:
- */
-static void update_fs_constants(struct st_context *st )
-{
- struct st_fragment_program *fp = st->fp;
- struct gl_program_parameter_list *params = fp->Base.Base.Parameters;
-
- st_upload_constants( st, params, PIPE_SHADER_FRAGMENT );
-}
-
-
-const struct st_tracked_state st_update_fs_constants = {
- "st_update_fs_constants", /* name */
- { /* dirty */
- (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
- ST_NEW_FRAGMENT_PROGRAM, /* st */
- },
- update_fs_constants /* update */
-};
-
-/* Geometry shader:
- */
-static void update_gs_constants(struct st_context *st )
-{
- struct st_geometry_program *gp = st->gp;
- struct gl_program_parameter_list *params;
-
- if (gp) {
- params = gp->Base.Base.Parameters;
- st_upload_constants( st, params, PIPE_SHADER_GEOMETRY );
- }
-}
-
-const struct st_tracked_state st_update_gs_constants = {
- "st_update_gs_constants", /* name */
- { /* dirty */
- (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
- ST_NEW_GEOMETRY_PROGRAM, /* st */
- },
- update_gs_constants /* update */
-};
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Brian Paul
+ */
+
+#include "main/imports.h"
+#include "program/prog_parameter.h"
+#include "program/prog_print.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_upload_mgr.h"
+
+#include "st_debug.h"
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_atom_constbuf.h"
+#include "st_program.h"
+
+
+/**
+ * Pass the given program parameters to the graphics pipe as a
+ * constant buffer.
+ * \param shader_type either PIPE_SHADER_VERTEX or PIPE_SHADER_FRAGMENT
+ */
+void st_upload_constants( struct st_context *st,
+ struct gl_program_parameter_list *params,
+ unsigned shader_type)
+{
+ assert(shader_type == PIPE_SHADER_VERTEX ||
+ shader_type == PIPE_SHADER_FRAGMENT ||
+ shader_type == PIPE_SHADER_GEOMETRY);
+
+ /* update constants */
+ if (params && params->NumParameters) {
+ struct pipe_constant_buffer cb;
+ const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
+
+ /* Update the constants which come from fixed-function state, such as
+ * transformation matrices, fog factors, etc. The rest of the values in
+ * the parameters list are explicitly set by the user with glUniform,
+ * glProgramParameter(), etc.
+ */
+ _mesa_load_state_parameters(st->ctx, params);
+
+ /* We always need to get a new buffer, to keep the drivers simple and
+ * avoid gratuitous rendering synchronization.
+ * Let's use a user buffer to avoid an unnecessary copy.
+ */
+ if (st->constbuf_uploader) {
+ cb.buffer = NULL;
+ cb.user_buffer = NULL;
+ u_upload_data(st->constbuf_uploader, 0, paramBytes,
+ params->ParameterValues, &cb.buffer_offset, &cb.buffer);
+ u_upload_unmap(st->constbuf_uploader);
+ } else {
+ cb.buffer = NULL;
+ cb.user_buffer = params->ParameterValues;
+ cb.buffer_offset = 0;
+ }
+ cb.buffer_size = paramBytes;
+
+ if (ST_DEBUG & DEBUG_CONSTANTS) {
+ debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n",
+ __FUNCTION__, shader_type, params->NumParameters,
+ params->StateFlags);
+ _mesa_print_parameter_list(params);
+ }
+
+ st->pipe->set_constant_buffer(st->pipe, shader_type, 0, &cb);
+ pipe_resource_reference(&cb.buffer, NULL);
+
+ st->state.constants[shader_type].ptr = params->ParameterValues;
+ st->state.constants[shader_type].size = paramBytes;
+ }
+ else if (st->state.constants[shader_type].ptr) {
+ st->state.constants[shader_type].ptr = NULL;
+ st->state.constants[shader_type].size = 0;
+ st->pipe->set_constant_buffer(st->pipe, shader_type, 0, NULL);
+ }
+}
+
+
+/**
+ * Vertex shader:
+ */
+static void update_vs_constants(struct st_context *st )
+{
+ struct st_vertex_program *vp = st->vp;
+ struct gl_program_parameter_list *params = vp->Base.Base.Parameters;
+
+ st_upload_constants( st, params, PIPE_SHADER_VERTEX );
+}
+
+
+const struct st_tracked_state st_update_vs_constants = {
+ "st_update_vs_constants", /* name */
+ { /* dirty */
+ (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
+ ST_NEW_VERTEX_PROGRAM, /* st */
+ },
+ update_vs_constants /* update */
+};
+
+
+
+/**
+ * Fragment shader:
+ */
+static void update_fs_constants(struct st_context *st )
+{
+ struct st_fragment_program *fp = st->fp;
+ struct gl_program_parameter_list *params = fp->Base.Base.Parameters;
+
+ st_upload_constants( st, params, PIPE_SHADER_FRAGMENT );
+}
+
+
+const struct st_tracked_state st_update_fs_constants = {
+ "st_update_fs_constants", /* name */
+ { /* dirty */
+ (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
+ ST_NEW_FRAGMENT_PROGRAM, /* st */
+ },
+ update_fs_constants /* update */
+};
+
+/* Geometry shader:
+ */
+static void update_gs_constants(struct st_context *st )
+{
+ struct st_geometry_program *gp = st->gp;
+ struct gl_program_parameter_list *params;
+
+ if (gp) {
+ params = gp->Base.Base.Parameters;
+ st_upload_constants( st, params, PIPE_SHADER_GEOMETRY );
+ }
+}
+
+const struct st_tracked_state st_update_gs_constants = {
+ "st_update_gs_constants", /* name */
+ { /* dirty */
+ (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */
+ ST_NEW_GEOMETRY_PROGRAM, /* st */
+ },
+ update_gs_constants /* update */
+};