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-rw-r--r--xorg-server/hw/xgl/xglgeometry.c724
1 files changed, 0 insertions, 724 deletions
diff --git a/xorg-server/hw/xgl/xglgeometry.c b/xorg-server/hw/xgl/xglgeometry.c
deleted file mode 100644
index 7ab1ba45c..000000000
--- a/xorg-server/hw/xgl/xglgeometry.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- * Copyright © 2004 David Reveman
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of
- * David Reveman not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior permission.
- * David Reveman makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
- * NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: David Reveman <davidr@novell.com>
- */
-
-#include "xgl.h"
-#include <X11/fonts/fontstruct.h>
-#include "dixfontstr.h"
-
-xglDataTypeInfoRec xglGeometryDataTypes[2] = {
- { GLITZ_DATA_TYPE_SHORT, sizeof (glitz_short_t) },
- { GLITZ_DATA_TYPE_FLOAT, sizeof (glitz_float_t) }
-};
-
-glitz_buffer_hint_t usageTypes[] = {
- GLITZ_BUFFER_HINT_STREAM_DRAW,
- GLITZ_BUFFER_HINT_STATIC_DRAW,
- GLITZ_BUFFER_HINT_DYNAMIC_DRAW
-};
-
-void
-xglGeometryResize (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- int size)
-{
- XGL_SCREEN_PRIV (pScreen);
-
- if (size == pGeometry->size)
- return;
-
- if (pGeometry->broken)
- return;
-
- if (pGeometry->usage == GEOMETRY_USAGE_SYSMEM)
- {
- pGeometry->data = xrealloc (pGeometry->data, size);
-
- if (pGeometry->buffer)
- glitz_buffer_destroy (pGeometry->buffer);
-
- pGeometry->buffer = NULL;
-
- if (pGeometry->data)
- {
- pGeometry->buffer = glitz_buffer_create_for_data (pGeometry->data);
- if (!pGeometry->buffer)
- {
- pGeometry->broken = TRUE;
- return;
- }
- }
- else if (size)
- {
- pGeometry->broken = TRUE;
- return;
- }
- }
- else
- {
- glitz_buffer_t *newBuffer;
-
- if (size)
- {
- newBuffer =
- glitz_vertex_buffer_create (pScreenPriv->drawable, NULL, size,
- usageTypes[pGeometry->usage]);
- if (!newBuffer)
- {
- pGeometry->broken = TRUE;
- return;
- }
- } else
- newBuffer = NULL;
-
- if (pGeometry->buffer && newBuffer)
- {
- void *oldData, *newData;
-
- oldData = glitz_buffer_map (pGeometry->buffer,
- GLITZ_BUFFER_ACCESS_READ_ONLY);
- newData = glitz_buffer_map (newBuffer,
- GLITZ_BUFFER_ACCESS_WRITE_ONLY);
-
- if (oldData && newData)
- memcpy (newData, oldData, MIN (size, pGeometry->size));
-
- glitz_buffer_unmap (pGeometry->buffer);
- glitz_buffer_unmap (newBuffer);
-
- glitz_buffer_destroy (pGeometry->buffer);
- }
- pGeometry->buffer = newBuffer;
- }
-
- pGeometry->size = size;
-
- if (pGeometry->endOffset > size)
- pGeometry->endOffset = size;
-}
-
-#define MAP_GEOMETRY(pScreen, pGeometry, offset, units, ptr, _size) \
- if ((pGeometry)->broken) \
- return; \
- (_size) = (units) * xglGeometryDataTypes[(pGeometry)->dataType].size; \
- if (((pGeometry)->size - (offset)) < (_size)) \
- { \
- xglGeometryResize (pScreen, pGeometry, \
- (pGeometry)->endOffset + (_size) + 500); \
- if ((pGeometry)->broken) \
- return; \
- } \
- (ptr) = glitz_buffer_map ((pGeometry)->buffer, \
- GLITZ_BUFFER_ACCESS_WRITE_ONLY); \
- if (!(ptr)) \
- { \
- (pGeometry)->broken = TRUE; \
- return; \
- } \
- (ptr) += (offset)
-
-#define UNMAP_GEOMETRY(pGeometry, offset, _size) \
- if (glitz_buffer_unmap ((pGeometry)->buffer)) \
- { \
- (pGeometry)->broken = TRUE; \
- return; \
- } \
- if (((offset) + (_size)) > (pGeometry)->endOffset) \
- { \
- (pGeometry)->endOffset = (offset) + (_size); \
- (pGeometry)->count = (pGeometry)->endOffset / \
- (2 * xglGeometryDataTypes[(pGeometry)->dataType].size); \
- }
-
-/*
- * Adds a number of boxes as GL_QUAD primitives
- */
-void
-xglGeometryAddBox (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- BoxPtr pBox,
- int nBox,
- int offset)
-{
- int size;
- char *ptr;
-
- if (nBox < 1)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, nBox * 8, ptr, size);
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- {
- glitz_short_t *data = (glitz_short_t *) ptr;
-
- while (nBox--)
- {
- *data++ = (glitz_short_t) pBox->x1;
- *data++ = (glitz_short_t) pBox->y1;
- *data++ = (glitz_short_t) pBox->x2;
- *data++ = (glitz_short_t) pBox->y1;
- *data++ = (glitz_short_t) pBox->x2;
- *data++ = (glitz_short_t) pBox->y2;
- *data++ = (glitz_short_t) pBox->x1;
- *data++ = (glitz_short_t) pBox->y2;
-
- pBox++;
- }
- } break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
-
- while (nBox--)
- {
- *data++ = (glitz_float_t) pBox->x1;
- *data++ = (glitz_float_t) pBox->y1;
- *data++ = (glitz_float_t) pBox->x2;
- *data++ = (glitz_float_t) pBox->y1;
- *data++ = (glitz_float_t) pBox->x2;
- *data++ = (glitz_float_t) pBox->y2;
- *data++ = (glitz_float_t) pBox->x1;
- *data++ = (glitz_float_t) pBox->y2;
-
- pBox++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-/*
- * Adds a number of spans as GL_LINE primitives
- */
-void
-xglGeometryAddSpan (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- DDXPointPtr ppt,
- int *pwidth,
- int n,
- int offset)
-{
- int size;
- char *ptr;
-
- if (n < 1)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, n * 4, ptr, size);
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- {
- glitz_short_t *data = (glitz_short_t *) ptr;
-
- while (n--)
- {
- *data++ = (glitz_short_t) ppt->x;
- *data++ = (glitz_short_t) ppt->y;
- *data++ = (glitz_short_t) (ppt->x + *pwidth);
- *data++ = (glitz_short_t) ppt->y;
-
- ppt++;
- pwidth++;
- }
- } break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
-
- while (n--)
- {
- *data++ = (glitz_float_t) ppt->x;
- *data++ = (glitz_float_t) ppt->y;
- *data++ = (glitz_float_t) (ppt->x + *pwidth);
- *data++ = (glitz_float_t) ppt->y;
-
- ppt++;
- pwidth++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-/*
- * This macro is needed for end pixels to be rasterized correctly using
- * OpenGL as OpenGL line segments are half-opened.
- */
-#define ADJUST_END_POINT(start, end, isPoint) \
- (((end) > (start)) ? (end) + 1: \
- ((end) < (start)) ? (end) - 1: \
- (isPoint) ? (end) + 1: \
- (end))
-
-/*
- * Adds a number of connected lines as GL_LINE_STRIP primitives
- */
-void
-xglGeometryAddLine (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- int loop,
- int mode,
- int npt,
- DDXPointPtr ppt,
- int offset)
-{
- DDXPointRec pt;
- int size;
- char *ptr;
-
- if (npt < 2)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, npt * 2, ptr, size);
-
- pt.x = 0;
- pt.y = 0;
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- {
- glitz_short_t *data = (glitz_short_t *) ptr;
-
- while (npt--)
- {
- if (mode == CoordModePrevious)
- {
- pt.x += ppt->x;
- pt.y += ppt->y;
- }
- else
- {
- pt.x = ppt->x;
- pt.y = ppt->y;
- }
-
- if (npt || loop)
- {
- *data++ = (glitz_short_t) pt.x;
- *data++ = (glitz_short_t) pt.y;
- }
- else
- {
- ppt--;
- *data++ = (glitz_short_t)
- ADJUST_END_POINT (ppt->x, pt.x, ppt->y == pt.y);
- *data++ = (glitz_short_t) ADJUST_END_POINT (ppt->y, pt.y, 0);
- }
-
- ppt++;
- }
- } break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
-
- while (npt--)
- {
- if (mode == CoordModePrevious)
- {
- pt.x += ppt->x;
- pt.y += ppt->y;
- }
- else
- {
- pt.x = ppt->x;
- pt.y = ppt->y;
- }
-
- if (npt || loop)
- {
- *data++ = (glitz_float_t) pt.x;
- *data++ = (glitz_float_t) pt.y;
- }
- else
- {
- ppt--;
- *data++ = (glitz_float_t)
- ADJUST_END_POINT (ppt->x, pt.x, ppt->y == pt.y);
- *data++ = (glitz_float_t) ADJUST_END_POINT (ppt->y, pt.y, 0);
- }
-
- ppt++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-/*
- * Adds a number of line segments as GL_LINE primitives
- */
-void
-xglGeometryAddSegment (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- int nsegInit,
- xSegment *pSegInit,
- int offset)
-{
- int size;
- char *ptr;
-
- if (nsegInit < 1)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, nsegInit * 4, ptr, size);
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- {
- glitz_short_t *data = (glitz_short_t *) ptr;
-
- while (nsegInit--)
- {
- *data++ = (glitz_short_t) pSegInit->x1;
- *data++ = (glitz_short_t) pSegInit->y1;
- *data++ = (glitz_short_t)
- ADJUST_END_POINT (pSegInit->x1, pSegInit->x2,
- pSegInit->y1 == pSegInit->y2);
- *data++ = (glitz_short_t)
- ADJUST_END_POINT (pSegInit->y1, pSegInit->y2, 0);
-
- pSegInit++;
- }
- } break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
-
- while (nsegInit--)
- {
- *data++ = (glitz_float_t) pSegInit->x1;
- *data++ = (glitz_float_t) pSegInit->y1;
- *data++ = (glitz_float_t)
- ADJUST_END_POINT (pSegInit->x1, pSegInit->x2,
- pSegInit->y1 == pSegInit->y2);
- *data++ = (glitz_float_t)
- ADJUST_END_POINT (pSegInit->y1, pSegInit->y2, 0);
-
- pSegInit++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-void
-xglGeometryForGlyph (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- unsigned int nGlyph,
- CharInfoPtr *ppciInit,
- pointer pglyphBase)
-{
- CharInfoPtr *ppci;
- CharInfoPtr pci;
- unsigned char *glyphbase = (pointer) ~0;
- unsigned char *pglyph;
- int x = 0;
- int gx, gy;
- int gWidth, gHeight;
- int n, lastX = 0, lastY = 0;
- glitz_multi_array_t *array;
- glitz_buffer_t *buffer;
-
- ppci = ppciInit;
- n = nGlyph;
-
- while (n--)
- {
- pglyph = FONTGLYPHBITS (pglyphBase, *ppci++);
- if (pglyph < glyphbase)
- glyphbase = pglyph;
- }
-
- buffer = glitz_buffer_create_for_data (glyphbase);
- if (!buffer)
- {
- pGeometry->broken = TRUE;
- return;
- }
-
- GEOMETRY_SET_BUFFER (pGeometry, buffer);
-
- array = glitz_multi_array_create (nGlyph);
- if (!array)
- {
- pGeometry->broken = TRUE;
- return;
- }
-
- GEOMETRY_SET_MULTI_ARRAY (pGeometry, array);
-
- ppci = ppciInit;
- while (nGlyph--)
- {
- pci = *ppci++;
- pglyph = FONTGLYPHBITS (pglyphBase, pci);
- gWidth = GLYPHWIDTHPIXELS (pci);
- gHeight = GLYPHHEIGHTPIXELS (pci);
-
- if (gWidth && gHeight)
- {
- gx = x + pci->metrics.leftSideBearing;
- gy = -pci->metrics.ascent;
-
- glitz_multi_array_add (array,
- (pglyph - glyphbase) * 8,
- gWidth, gHeight,
- (gx - lastX) << 16, (gy - lastY) << 16);
- lastX = gx;
- lastY = gy;
- }
- x += pci->metrics.characterWidth;
- }
-
- glitz_buffer_destroy (buffer);
- glitz_multi_array_destroy (array);
-}
-
-#define FIXED_LINE_X_TO_FLOAT(line, v) \
- (((glitz_float_t) \
- ((line).p1.x + (xFixed_16_16) \
- (((xFixed_32_32) ((v) - (line).p1.y) * \
- ((line).p2.x - (line).p1.x)) / \
- ((line).p2.y - (line).p1.y)))) / 65536)
-
-#define FIXED_LINE_X_CEIL_TO_FLOAT(line, v) \
- (((glitz_float_t) \
- ((line).p1.x + (xFixed_16_16) \
- (((((line).p2.y - (line).p1.y) - 1) + \
- ((xFixed_32_32) ((v) - (line).p1.y) * \
- ((line).p2.x - (line).p1.x))) / \
- ((line).p2.y - (line).p1.y)))) / 65536)
-
-/*
- * Adds a number of trapezoids as GL_QUAD primitives
- */
-void
-xglGeometryAddTrapezoid (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- xTrapezoid *pTrap,
- int nTrap,
- int offset)
-{
- int size;
- char *ptr;
-
- if (nTrap < 1)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, nTrap * 8, ptr, size);
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- /* not supported */
- pGeometry->broken = TRUE;
- break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
- glitz_float_t top, bottom;
-
- while (nTrap--)
- {
- top = FIXED_TO_FLOAT (pTrap->top);
- bottom = FIXED_TO_FLOAT (pTrap->bottom);
-
- *data++ = FIXED_LINE_X_TO_FLOAT (pTrap->left, pTrap->top);
- *data++ = top;
- *data++ = FIXED_LINE_X_CEIL_TO_FLOAT (pTrap->right, pTrap->top);
- *data++ = top;
- *data++ = FIXED_LINE_X_CEIL_TO_FLOAT (pTrap->right, pTrap->bottom);
- *data++ = bottom;
- *data++ = FIXED_LINE_X_TO_FLOAT (pTrap->left, pTrap->bottom);
- *data++ = bottom;
-
- pTrap++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-/*
- * Adds a number of traps as GL_QUAD primitives
- */
-void
-xglGeometryAddTrap (ScreenPtr pScreen,
- xglGeometryPtr pGeometry,
- xTrap *pTrap,
- int nTrap,
- int offset)
-{
- int size;
- char *ptr;
-
- if (nTrap < 1)
- return;
-
- MAP_GEOMETRY (pScreen, pGeometry, offset, nTrap * 8, ptr, size);
-
- switch (pGeometry->dataType) {
- case GEOMETRY_DATA_TYPE_SHORT:
- /* not supported */
- pGeometry->broken = TRUE;
- break;
- case GEOMETRY_DATA_TYPE_FLOAT:
- {
- glitz_float_t *data = (glitz_float_t *) ptr;
- glitz_float_t top, bottom;
-
- while (nTrap--)
- {
- top = FIXED_TO_FLOAT (pTrap->top.y);
- bottom = FIXED_TO_FLOAT (pTrap->bot.y);
-
- *data++ = FIXED_TO_FLOAT (pTrap->top.l);
- *data++ = top;
- *data++ = FIXED_TO_FLOAT (pTrap->top.r);
- *data++ = top;
- *data++ = FIXED_TO_FLOAT (pTrap->bot.r);
- *data++ = bottom;
- *data++ = FIXED_TO_FLOAT (pTrap->bot.l);
- *data++ = bottom;
-
- pTrap++;
- }
- } break;
- }
-
- UNMAP_GEOMETRY (pGeometry, offset, size);
-}
-
-/* XXX: scratch geometry size never shrinks, it just gets larger when
- required. this is not acceptable. */
-xglGeometryPtr
-xglGetScratchGeometryWithSize (ScreenPtr pScreen,
- int size)
-{
- xglGeometryPtr pGeometry;
-
- XGL_SCREEN_PRIV (pScreen);
-
- pGeometry = &pScreenPriv->scratchGeometry;
-
- if (pGeometry->broken || pGeometry->size < size)
- {
- GEOMETRY_UNINIT (pGeometry);
- GEOMETRY_INIT (pScreen, pGeometry, pGeometry->type,
- pScreenPriv->geometryUsage, size);
- }
- else
- {
- if (pGeometry->array)
- {
- glitz_multi_array_destroy (pGeometry->array);
- pGeometry->array = NULL;
- }
- pGeometry->endOffset = 0;
- pGeometry->xOff = 0;
- pGeometry->yOff = 0;
- pGeometry->first = 0;
- pGeometry->count = 0;
- pGeometry->width = 2;
- }
-
- return pGeometry;
-}
-
-xglGeometryPtr
-xglGetScratchVertexGeometryWithType (ScreenPtr pScreen,
- int type,
- int count)
-{
- xglGeometryPtr pGeometry;
- int stride;
-
- stride = 2 * xglGeometryDataTypes[type].size;
-
- pGeometry = xglGetScratchGeometryWithSize (pScreen, count * stride);
-
- pGeometry->type = GLITZ_GEOMETRY_TYPE_VERTEX;
- pGeometry->dataType = type;
-
- pGeometry->f.vertex.primitive = GLITZ_PRIMITIVE_QUADS;
- pGeometry->f.vertex.type = xglGeometryDataTypes[type].type;
- pGeometry->f.vertex.bytes_per_vertex = stride;
- pGeometry->f.vertex.attributes = 0;
-
- return pGeometry;
-}
-
-xglGeometryPtr
-xglGetScratchVertexGeometry (ScreenPtr pScreen,
- int count)
-{
- xglGeometryPtr pGeometry;
- int type, stride;
-
- XGL_SCREEN_PRIV (pScreen);
-
- type = pScreenPriv->geometryDataType;
- stride = 2 * xglGeometryDataTypes[type].size;
-
- pGeometry = xglGetScratchGeometryWithSize (pScreen, count * stride);
-
- pGeometry->type = GLITZ_GEOMETRY_TYPE_VERTEX;
- pGeometry->dataType = type;
-
- pGeometry->f.vertex.primitive = GLITZ_PRIMITIVE_QUADS;
- pGeometry->f.vertex.type = xglGeometryDataTypes[type].type;
- pGeometry->f.vertex.bytes_per_vertex = stride;
- pGeometry->f.vertex.attributes = 0;
-
- return pGeometry;
-}
-
-Bool
-xglSetGeometry (xglGeometryPtr pGeometry,
- glitz_surface_t *surface)
-{
- if (pGeometry->broken)
- return FALSE;
-
- glitz_set_geometry (surface, pGeometry->type, &pGeometry->f,
- pGeometry->buffer);
-
- if (pGeometry->array)
- glitz_set_multi_array (surface, pGeometry->array,
- pGeometry->xOff, pGeometry->yOff);
- else
- glitz_set_array (surface,
- pGeometry->first, pGeometry->width, pGeometry->count,
- pGeometry->xOff, pGeometry->yOff);
-
- return TRUE;
-}