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authorJakob Bornecrantz <[email protected]>2009-09-29 16:07:11 -0700
committerJakob Bornecrantz <[email protected]>2009-10-05 19:48:08 +0100
commitf00da2a3ff59c1a7104ac25a1c6eba5a6050ad68 (patch)
tree61578c54a21671bc5385f1d262dfa4a34f9a369f /src/gallium/drivers/i915/i915_context.c
parentc4b821a4c64d75d944653d665bede946763ed95b (diff)
i915g: Drop the simple sufix
None of the other driver have a silly sufix, so just drop it. Nothing new added in this commit or any other commit but this is better marketing.
Diffstat (limited to 'src/gallium/drivers/i915/i915_context.c')
-rw-r--r--src/gallium/drivers/i915/i915_context.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_context.c b/src/gallium/drivers/i915/i915_context.c
new file mode 100644
index 00000000000..e745f3342d1
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_context.c
@@ -0,0 +1,244 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "i915_context.h"
+#include "i915_state.h"
+#include "i915_screen.h"
+#include "i915_batch.h"
+#include "i915_texture.h"
+#include "i915_reg.h"
+
+#include "draw/draw_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_inlines.h"
+#include "util/u_memory.h"
+#include "pipe/p_screen.h"
+
+
+/*
+ * Draw functions
+ */
+
+
+static boolean
+i915_draw_range_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned prim, unsigned start, unsigned count)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ struct draw_context *draw = i915->draw;
+ unsigned i;
+
+ if (i915->dirty)
+ i915_update_derived(i915);
+
+ /*
+ * Map vertex buffers
+ */
+ for (i = 0; i < i915->num_vertex_buffers; i++) {
+ void *buf = pipe_buffer_map(pipe->screen, i915->vertex_buffer[i].buffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_vertex_buffer(draw, i, buf);
+ }
+
+ /*
+ * Map index buffer, if present
+ */
+ if (indexBuffer) {
+ void *mapped_indexes = pipe_buffer_map(pipe->screen, indexBuffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_element_buffer_range(draw, indexSize,
+ min_index,
+ max_index,
+ mapped_indexes);
+ } else {
+ draw_set_mapped_element_buffer(draw, 0, NULL);
+ }
+
+
+ draw_set_mapped_constant_buffer(draw,
+ i915->current.constants[PIPE_SHADER_VERTEX],
+ (i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
+ 4 * sizeof(float)));
+
+ /*
+ * Do the drawing
+ */
+ draw_arrays(i915->draw, prim, start, count);
+
+ /*
+ * unmap vertex/index buffers
+ */
+ for (i = 0; i < i915->num_vertex_buffers; i++) {
+ pipe_buffer_unmap(pipe->screen, i915->vertex_buffer[i].buffer);
+ draw_set_mapped_vertex_buffer(draw, i, NULL);
+ }
+
+ if (indexBuffer) {
+ pipe_buffer_unmap(pipe->screen, indexBuffer);
+ draw_set_mapped_element_buffer_range(draw, 0, start, start + count - 1, NULL);
+ }
+
+ return TRUE;
+}
+
+static boolean
+i915_draw_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned prim, unsigned start, unsigned count)
+{
+ return i915_draw_range_elements(pipe, indexBuffer,
+ indexSize,
+ 0, 0xffffffff,
+ prim, start, count);
+}
+
+static boolean
+i915_draw_arrays(struct pipe_context *pipe,
+ unsigned prim, unsigned start, unsigned count)
+{
+ return i915_draw_elements(pipe, NULL, 0, prim, start, count);
+}
+
+
+/*
+ * Is referenced functions
+ */
+
+
+static unsigned int
+i915_is_texture_referenced(struct pipe_context *pipe,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level)
+{
+ /**
+ * FIXME: Return the corrent result. We can't alays return referenced
+ * since it causes a double flush within the vbo module.
+ */
+#if 0
+ return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
+#else
+ return 0;
+#endif
+}
+
+static unsigned int
+i915_is_buffer_referenced(struct pipe_context *pipe,
+ struct pipe_buffer *buf)
+{
+ /**
+ * FIXME: Return the corrent result. We can't alays return referenced
+ * since it causes a double flush within the vbo module.
+ */
+#if 0
+ return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
+#else
+ return 0;
+#endif
+}
+
+
+/*
+ * Generic context functions
+ */
+
+
+static void i915_destroy(struct pipe_context *pipe)
+{
+ struct i915_context *i915 = i915_context(pipe);
+ int i;
+
+ draw_destroy(i915->draw);
+
+ if(i915->batch)
+ i915->iws->batchbuffer_destroy(i915->batch);
+
+ /* unbind framebuffer */
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&i915->framebuffer.cbufs[i], NULL);
+ }
+ pipe_surface_reference(&i915->framebuffer.zsbuf, NULL);
+
+ FREE(i915);
+}
+
+struct pipe_context *
+i915_create_context(struct pipe_screen *screen)
+{
+ struct i915_context *i915;
+
+ i915 = CALLOC_STRUCT(i915_context);
+ if (i915 == NULL)
+ return NULL;
+
+ i915->iws = i915_screen(screen)->iws;
+ i915->base.winsys = NULL;
+ i915->base.screen = screen;
+
+ i915->base.destroy = i915_destroy;
+
+ i915->base.clear = i915_clear;
+
+ i915->base.draw_arrays = i915_draw_arrays;
+ i915->base.draw_elements = i915_draw_elements;
+ i915->base.draw_range_elements = i915_draw_range_elements;
+
+ i915->base.is_texture_referenced = i915_is_texture_referenced;
+ i915->base.is_buffer_referenced = i915_is_buffer_referenced;
+
+ /*
+ * Create drawing context and plug our rendering stage into it.
+ */
+ i915->draw = draw_create();
+ assert(i915->draw);
+ if (!debug_get_bool_option("I915_NO_VBUF", FALSE)) {
+ draw_set_rasterize_stage(i915->draw, i915_draw_vbuf_stage(i915));
+ } else {
+ draw_set_rasterize_stage(i915->draw, i915_draw_render_stage(i915));
+ }
+
+ i915_init_surface_functions(i915);
+ i915_init_state_functions(i915);
+ i915_init_flush_functions(i915);
+
+ draw_install_aaline_stage(i915->draw, &i915->base);
+ draw_install_aapoint_stage(i915->draw, &i915->base);
+
+ i915->dirty = ~0;
+ i915->hardware_dirty = ~0;
+
+ /* Batch stream debugging is a bit hacked up at the moment:
+ */
+ i915->batch = i915->iws->batchbuffer_create(i915->iws);
+
+ return &i915->base;
+}