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-rw-r--r--src/mesa/pipe/i915simple/i915_state.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/src/mesa/pipe/i915simple/i915_state.c b/src/mesa/pipe/i915simple/i915_state.c
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+/**************************************************************************
+ *
+ * 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>
+ */
+#include "imports.h"
+
+#include "pipe/draw/draw_context.h"
+
+#include "i915_context.h"
+#include "i915_state.h"
+
+/* None of this state is actually used for anything yet.
+ */
+static void i915_set_blend_state( struct pipe_context *pipe,
+ const struct pipe_blend_state *blend )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->blend = *blend;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+
+static void i915_set_blend_color( struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->blend_color = *blend_color;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+
+/** XXX move someday? Or consolidate all these simple state setters
+ * into one file.
+ */
+static void i915_set_depth_test_state(struct pipe_context *pipe,
+ const struct pipe_depth_state *depth)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->depth_test = *depth;
+
+ i915->dirty |= I915_NEW_DEPTH_TEST;
+}
+
+static void i915_set_alpha_test_state(struct pipe_context *pipe,
+ const struct pipe_alpha_test_state *alpha)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->alpha_test = *alpha;
+
+ i915->dirty |= I915_NEW_ALPHA_TEST;
+}
+
+static void i915_set_stencil_state(struct pipe_context *pipe,
+ const struct pipe_stencil_state *stencil)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->stencil = *stencil;
+
+ i915->dirty |= I915_NEW_STENCIL;
+}
+
+
+
+static void i915_set_scissor_state( struct pipe_context *pipe,
+ const struct pipe_scissor_state *scissor )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ memcpy( &i915->scissor, scissor, sizeof(*scissor) );
+ i915->dirty |= I915_NEW_SCISSOR;
+}
+
+
+static void i915_set_polygon_stipple( struct pipe_context *pipe,
+ const struct pipe_poly_stipple *stipple )
+{
+}
+
+
+
+static void i915_set_fs_state( struct pipe_context *pipe,
+ const struct pipe_fs_state *fs )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ memcpy(&i915->fs, fs, sizeof(*fs));
+
+ i915->dirty |= I915_NEW_FS;
+}
+
+
+static void i915_set_sampler_state(struct pipe_context *pipe,
+ GLuint unit,
+ const struct pipe_sampler_state *sampler)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+ i915->sampler[unit] = *sampler;
+
+ i915->dirty |= I915_NEW_SAMPLER;
+}
+
+
+static void i915_set_texture_state(struct pipe_context *pipe,
+ GLuint unit,
+ struct pipe_texture_object *texture)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+ i915->texture[unit] = texture; /* ptr, not struct */
+
+ i915->dirty |= I915_NEW_TEXTURE;
+}
+
+
+
+static void i915_set_framebuffer_state(struct pipe_context *pipe,
+ const struct pipe_framebuffer_state *fb)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->framebuffer = *fb; /* struct copy */
+
+ i915->dirty |= I915_NEW_FRAMEBUFFER;
+}
+
+
+
+
+static void i915_set_clear_color_state(struct pipe_context *pipe,
+ const struct pipe_clear_color_state *clear)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->clear_color = *clear; /* struct copy */
+}
+
+
+
+static void i915_set_clip_state( struct pipe_context *pipe,
+ const struct pipe_clip_state *clip )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ draw_set_clip_state(i915->draw, clip);
+
+ i915->dirty |= I915_NEW_CLIP;
+}
+
+
+
+/* Called when driver state tracker notices changes to the viewport
+ * matrix:
+ */
+static void i915_set_viewport_state( struct pipe_context *pipe,
+ const struct pipe_viewport_state *viewport )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->viewport = *viewport; /* struct copy */
+
+ /* pass the viewport info to the draw module */
+ draw_set_viewport_state(i915->draw, viewport);
+
+ /* Using tnl/ and vf/ modules is temporary while getting started.
+ * Full pipe will have vertex shader, vertex fetch of its own.
+ */
+ i915->dirty |= I915_NEW_VIEWPORT;
+
+}
+
+static void i915_set_setup_state( struct pipe_context *pipe,
+ const struct pipe_setup_state *setup )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->setup = *setup;
+
+ /* pass-through to draw module */
+ draw_set_setup_state(i915->draw, setup);
+
+ i915->dirty |= I915_NEW_SETUP;
+}
+
+
+void
+i915_init_state_functions( struct i915_context *i915 )
+{
+ i915->pipe.set_alpha_test_state = i915_set_alpha_test_state;
+ i915->pipe.set_blend_color = i915_set_blend_color;
+ i915->pipe.set_blend_state = i915_set_blend_state;
+ i915->pipe.set_clip_state = i915_set_clip_state;
+ i915->pipe.set_clear_color_state = i915_set_clear_color_state;
+ i915->pipe.set_depth_state = i915_set_depth_test_state;
+ i915->pipe.set_framebuffer_state = i915_set_framebuffer_state;
+ i915->pipe.set_fs_state = i915_set_fs_state;
+ i915->pipe.set_polygon_stipple = i915_set_polygon_stipple;
+ i915->pipe.set_sampler_state = i915_set_sampler_state;
+ i915->pipe.set_scissor_state = i915_set_scissor_state;
+ i915->pipe.set_setup_state = i915_set_setup_state;
+ i915->pipe.set_stencil_state = i915_set_stencil_state;
+ i915->pipe.set_texture_state = i915_set_texture_state;
+ i915->pipe.set_viewport_state = i915_set_viewport_state;
+}
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