[Spice-devel] [PATCH 12/17] Remove unused backup file
Alon Levy
alevy at redhat.com
Thu Jan 12 03:37:36 PST 2012
On Tue, Jan 10, 2012 at 03:58:33PM +0000, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
>
> The common/glc.c.save file appears to be a obsolete copy of
> glc.c
ACK. Any command used for the removal?
> ---
> common/glc.c.save | 1413 -----------------------------------------------------
> 1 files changed, 0 insertions(+), 1413 deletions(-)
> delete mode 100644 common/glc.c.save
>
> diff --git a/common/glc.c.save b/common/glc.c.save
> deleted file mode 100644
> index 1958110..0000000
> --- a/common/glc.c.save
> +++ /dev/null
> @@ -1,1413 +0,0 @@
> -#include <stdlib.h>
> -#include <string.h>
> -#include <stdio.h>
> -
> -#include <GL/gl.h>
> -#include <GL/glu.h>
> -
> -#ifdef WIN32
> -#include "glext.h"
> -#include "wglext.h"
> -#endif
> -
> -#include "glc.h"
> -
> -#define TRUE 1
> -#define FALSE 0
> -
> -#define ASSERT(x) if (!(x)) {printf("%s: assert failed %s\n", __FUNCTION__, #x); for (;;);}
> -
> -#define GLC_ERROR_TETS { \
> - GLenum gl_err; glFlush(); \
> - if ((gl_err = glGetError()) != GL_NO_ERROR) { \
> - printf("%s[%d]: opengl error: %s\n", __FUNCTION__, __LINE__, gluErrorString(gl_err)); \
> - for(;;); \
> - } \
> -}
> -
> -#define WARN_ONCE(x) { \
> - static int warn = TRUE; \
> - if (warn) { \
> - printf x; \
> - warn = FALSE; \
> - } \
> -}
> -
> -#define TESS_VERTEX_ALLOC_BUNCH 20
> -
> -typedef struct InternaCtx InternaCtx;
> -typedef struct InternalPat {
> - InternaCtx *owner;
> - int refs;
> - GLuint texture;
> - int x_orign;
> - int y_orign;
> - int width;
> - int height;
> -} InternalPat;
> -
> -typedef struct Pathpath {
> - int start_point;
> - int num_segments;
> -} Path;
> -
> -enum {
> - GLC_PATH_SEG_LINES,
> - GLC_PATH_SEG_BEIZER,
> -};
> -
> -//todo: flatten cache
> -typedef struct PathSegment {
> - int type;
> - int count;
> -} PathSegment;
> -
> -typedef struct PathPoint {
> - double x;
> - double y;
> - double z;
> -} PathPoint;
> -
> -typedef GLdouble Vertex[3];
> -
> -typedef struct InternalPath {
> - InternaCtx *owner;
> -
> - Path *paths;
> - int paths_size;
> - int paths_pos;
> -
> - PathSegment *segments;
> - int segments_size;
> - int segments_pos;
> -
> - PathPoint *points;
> - int points_size;
> - int points_pos;
> -
> - Path *current_path;
> - PathSegment *current_segment;
> -
> -} InternalPath;
> -
> -typedef struct TassVertex TassVertex;
> -struct TassVertex {
> - PathPoint point;
> - TassVertex *list_link;
> - TassVertex *next;
> -};
> -
> -typedef struct TassVertexBuf TassVertexBuf;
> -struct TassVertexBuf {
> - TassVertexBuf *next;
> - TassVertex vertexs[0];
> -};
> -
> -struct InternaCtx {
> - int draw_mode;
> - int stencil_refs;
> - int stencil_mask;
> - int width;
> - int height;
> - GLfloat line_width;
> - InternalPat *pat;
> - int max_texture_size;
> - GLUtesselator* tesselator;
> - TassVertex *free_tess_vertex;
> - TassVertex *used_tess_vertex;
> - TassVertexBuf *vertex_bufs;
> -#ifdef WIN32
> - PFNGLBLENDEQUATIONPROC glBlendEquation;
> -#endif
> -};
> -
> -#define Y(y) -(y)
> -#define VERTEX2(x, y) glVertex2d(x, Y(y))
> -
> -static void fill_rect(InternaCtx *ctx, void *rect);
> -static void fill_path(InternaCtx *ctx, void *path);
> -static void fill_mask(InternaCtx *ctx, int x_dest, int y_dest, int width, int height, int stride,
> - const uint8_t *bitmap);
> -static void set_pat(InternaCtx *ctx, InternalPat *pat);
> -
> -static inline void *zmalloc(size_t size)
> -{
> - return calloc(1, size);
> -}
> -
> -static inline void set_raster_pos(InternaCtx *ctx, int x, int y)
> -{
> - if (x >= 0 && y >= 0 && x < ctx->width && y < ctx->height) {
> - glRasterPos2i(x, Y(y));
> - return;
> - }
> - glRasterPos2i(0, 0);
> - glBitmap(0, 0, 0, 0, (GLfloat)x, (GLfloat)Y(y), NULL);
> -}
> -
> -static TassVertex *alloc_tess_vertex(InternaCtx *ctx)
> -{
> - TassVertex *vertex;
> -
> - if (!ctx->free_tess_vertex) {
> - TassVertexBuf *buf;
> - int i;
> -
> - if (!(buf = (TassVertexBuf *)malloc(sizeof(TassVertexBuf) +
> - sizeof(TassVertex) * TESS_VERTEX_ALLOC_BUNCH))) {
> - //warn
> - return NULL;
> - }
> - buf->next = ctx->vertex_bufs;
> - ctx->vertex_bufs = buf;
> - for (i = 0; i < TESS_VERTEX_ALLOC_BUNCH; i++) {
> - buf->vertexs[i].point.z = 0;
> - buf->vertexs[i].next = ctx->free_tess_vertex;
> - ctx->free_tess_vertex = &buf->vertexs[i];
> - }
> - }
> -
> - vertex = ctx->free_tess_vertex;
> - ctx->free_tess_vertex = vertex->next;
> - vertex->next = ctx->used_tess_vertex;
> - ctx->used_tess_vertex = vertex;
> - return vertex;
> -}
> -
> -static void reset_tass_vertex(InternaCtx *ctx)
> -{
> - TassVertex *vertex;
> - while ((vertex = ctx->used_tess_vertex)) {
> - ctx->used_tess_vertex = vertex->next;
> - vertex->next = ctx->free_tess_vertex;
> - ctx->free_tess_vertex = vertex;
> - }
> -}
> -
> -static void free_tass_vertex_bufs(InternaCtx *ctx)
> -{
> - TassVertexBuf *buf;
> -
> - ctx->used_tess_vertex = NULL;
> - ctx->free_tess_vertex = NULL;
> - while ((buf = ctx->vertex_bufs)) {
> - ctx->vertex_bufs = buf->next;
> - free(buf);
> - }
> -}
> -
> -//naiev bezier flattener
> -static TassVertex *bezier_flattener(InternaCtx *ctx, PathPoint *points)
> -{
> - double ax, bx, cx;
> - double ay, by, cy;
> - const int num_points = 30;
> - double dt;
> - int i;
> -
> - TassVertex *vertex_list = NULL;
> - TassVertex *curr_vertex;
> -
> - for (i = 0; i < num_points - 2; i++) {
> - TassVertex *vertex;
> -
> - if (!(vertex = alloc_tess_vertex(ctx))) {
> - //warn
> - return NULL;
> - }
> - vertex->list_link = vertex_list;
> - vertex_list = vertex;
> - }
> -
> - curr_vertex = vertex_list;
> -
> - cx = 3.0 * (points[1].x - points[0].x);
> - bx = 3.0 * (points[2].x - points[1].x) - cx;
> - ax = points[3].x - points[0].x - cx - bx;
> -
> - cy = 3.0 * (points[1].y - points[0].y);
> - by = 3.0 * (points[2].y - points[1].y) - cy;
> - ay = points[3].y - points[0].y - cy - by;
> -
> - dt = 1.0 / ( num_points - 1 );
> -
> - for( i = 1; i < num_points - 1; i++, curr_vertex = curr_vertex->list_link) {
> - double tSquared, tCubed;
> - double t;
> - t = i * dt;
> -
> - tSquared = t * t;
> - tCubed = tSquared * t;
> -
> - curr_vertex->point.x = (ax * tCubed) + (bx * tSquared) + (cx * t) + points[0].x;
> - curr_vertex->point.y = (ay * tCubed) + (by * tSquared) + (cy * t) + points[0].y;
> - }
> -
> - return vertex_list;
> -}
> -
> -#define MORE_X(path, Type, name) {\
> - Type *name;\
> - \
> - if (!(name = (Type *)zmalloc(sizeof(*name) * path->name##_size * 2))) {\
> - return FALSE;\
> - }\
> - memcpy(name, path->name, sizeof(*name) * path->name##_size);\
> - free(path->name);\
> - path->name = name;\
> - path->name##_size *= 2;\
> - return TRUE;\
> -}
> -
> -static int more_points(InternalPath *path)
> -{
> - MORE_X(path, PathPoint, points);
> -}
> -
> -static int more_segments(InternalPath *path)
> -{
> - MORE_X(path, PathSegment, segments);
> -}
> -
> -static int more_paths(InternalPath *path)
> -{
> - MORE_X(path, Path, paths);
> -}
> -
> -static inline void put_point(InternalPath *path, double x, double y)
> -{
> - path->points[path->points_pos].x = x;
> - path->points[path->points_pos++].y = Y(y + 0.5);
> - path->points[path->points_pos].z = 0;
> -}
> -
> -void glc_path_move_to(GLCPath path, double x, double y)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - ASSERT(internal);
> -
> - if (internal->current_segment) {
> - internal->current_segment = NULL;
> - internal->current_path = NULL;
> - if (internal->points_pos == internal->points_size && !more_points(internal)) {
> - //warn
> - return;
> - }
> - internal->points_pos++;
> - }
> - internal->points[internal->points_pos - 1].x = x;
> - internal->points[internal->points_pos - 1].y = Y(y + 0.5);
> - internal->points[internal->points_pos - 1].z = 0;
> -}
> -
> -static int add_segment_common(InternalPath *internal, int type, int num_points)
> -{
> - if (internal->points_size - internal->points_pos < num_points && !more_points(internal)) {
> - //warn
> - return FALSE;
> - }
> -
> - if (internal->current_segment) {
> - if (internal->current_segment->type == type) {
> - internal->current_segment->count++;
> - return TRUE;
> - }
> - if (internal->segments_pos == internal->segments_size && !more_segments(internal)) {
> - //warn
> - return FALSE;
> - }
> - internal->current_segment = &internal->segments[internal->segments_pos++];
> - internal->current_segment->type = type;
> - internal->current_segment->count = 1;
> - internal->current_path->num_segments++;
> - return TRUE;
> - }
> -
> - if (internal->paths_pos == internal->paths_size && !more_paths(internal)) {
> - //warn
> - return FALSE;
> - }
> -
> - if (internal->segments_pos == internal->segments_size && !more_segments(internal)) {
> - //warn
> - return FALSE;
> - }
> -
> - internal->current_path = &internal->paths[internal->paths_pos++];
> - internal->current_path->start_point = internal->points_pos - 1;
> - internal->current_path->num_segments = 1;
> - internal->current_segment = &internal->segments[internal->segments_pos++];
> - internal->current_segment->type = type;
> - internal->current_segment->count = 1;
> - return TRUE;
> -}
> -
> -void glc_path_line_to(GLCPath path, double x, double y)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - ASSERT(internal);
> -
> - if (!add_segment_common(internal, GLC_PATH_SEG_LINES, 1)) {
> - return;
> - }
> - put_point(internal, x, y);
> -}
> -
> -void glc_path_curve_to(GLCPath path, double p1_x, double p1_y, double p2_x, double p2_y,
> - double p3_x, double p3_y)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - ASSERT(internal);
> -
> - if (!add_segment_common(internal, GLC_PATH_SEG_BEIZER, 3)) {
> - return;
> - }
> - put_point(internal, p1_x, p1_y);
> - put_point(internal, p2_x, p2_y);
> - put_point(internal, p3_x, p3_y);
> -}
> -
> -void glc_path_close(GLCPath path)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - ASSERT(internal);
> - if (!internal->current_path) {
> - return;
> - }
> - PathPoint *end_point = &internal->points[internal->current_path->start_point];
> - glc_path_line_to(path, end_point->x, Y(end_point->y));
> - glc_path_move_to(path, end_point->x, Y(end_point->y));
> -}
> -
> -void glc_path_cleare(GLCPath path)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - ASSERT(internal);
> - internal->paths_pos = internal->segments_pos = 0;
> - internal->current_segment = NULL;
> - internal->current_path = NULL;
> -
> - internal->points[0].x = 0;
> - internal->points[0].y = 0;
> - internal->points_pos = 1;
> -}
> -
> -GLCPath glc_path_create(GLCCtx glc)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - InternalPath *path;
> -
> - ASSERT(ctx);
> - if (!(path = (InternalPath *)zmalloc(sizeof(*path)))) {
> - return NULL;
> - }
> -
> - path->paths = (Path *)malloc(sizeof(*path->paths) * (path->paths_size = 2));
> - if (!path->paths) {
> - goto error_1;
> - }
> -
> - path->segments = (PathSegment *)malloc(sizeof(*path->segments) * (path->segments_size = 4));
> - if (!path->segments) {
> - goto error_2;
> - }
> -
> - path->points = (PathPoint *)malloc(sizeof(*path->points) * (path->points_size = 20));
> - if (!path->points) {
> - goto error_3;
> - }
> -
> - path->owner = ctx;
> - path->points_pos = 1;
> - return path;
> -
> -error_3:
> - free(path->segments);
> -
> -error_2:
> - free(path->paths);
> -
> -error_1:
> - free(path);
> -
> - return NULL;
> -}
> -
> -void glc_path_destroy(GLCPath path)
> -{
> - InternalPath *internal = (InternalPath *)path;
> -
> - if (!path) {
> - return;
> - }
> -
> - free(internal->points);
> - free(internal->segments);
> - free(internal->paths);
> - free(internal);
> -}
> -
> -static inline void unref_pat(InternalPat *pat)
> -{
> - if (!pat) {
> - return;
> - }
> - ASSERT(pat->refs > 0);
> - if (--pat->refs == 0) {
> - glFinish();
> - glDeleteTextures(1, &pat->texture);
> - free(pat);
> - }
> - GLC_ERROR_TETS;
> -}
> -
> -static inline InternalPat *ref_pat(InternalPat *pat)
> -{
> - pat->refs++;
> - return pat;
> -}
> -
> -#ifdef WIN32
> -static inline int find_msb(uint32_t val)
> -{
> - uint32_t r;
> - __asm {
> - bsr eax, val
> - jnz found
> - mov eax, -1
> -
> - found:
> - mov r, eax
> - }
> - return r + 1;
> -}
> -#else
> -static inline int find_msb(uint32_t val)
> -{
> - int ret;
> -
> - asm("bsrl %1,%0\n\t"
> - "jnz 1f\n\t"
> - "movl $-1,%0\n"
> - "1:"
> - : "=r"(ret) : "r"(val));
> - return ret + 1;
> -}
> -#endif
> -
> -static int to_pwoer_two(uint32_t val)
> -{
> - if ((val & (val - 1)) == 0) {
> - return val;
> - }
> - return 1 << find_msb(val);
> -}
> -
> -static void scale(uint32_t *dest, uint32_t dest_width, uint32_t dest_height,
> - uint32_t *src, uint32_t src_width, uint32_t src_height, int src_stride)
> -{
> - double x_scale = (double)src_width / dest_width;
> - double y_scale = (double)src_height / dest_height;
> - uint32_t i;
> - uint32_t j;
> - int prev_row = -1;
> -
> - for (i = 0; i < dest_height; i++) {
> - int row = (int)(y_scale * i);
> - if (row == prev_row) {
> - memcpy(dest, dest - dest_width, dest_width * sizeof(uint32_t));
> - dest += dest_width;
> - continue;
> - }
> - for (j = 0; j < dest_width; j++) {
> - int col = (int)(x_scale * j);
> - *(dest++) = *(src + col);
> - }
> - prev_row = row;
> - src = (uint32_t *)((uint8_t *)src + src_stride);
> - }
> -}
> -
> -static inline void init_pattern(InternalPat *pat, int x_orign, int y_orign, const GLCImage *image)
> -{
> - InternaCtx *ctx = pat->owner;
> - uint32_t *tmp_pixmap = NULL;
> - int width;
> - int height;
> - int width2;
> - int height2;
> -
> - const int pix_bytes = 4;
> -
> - ASSERT(image->format == GLC_IMAGE_RGB32); //for now
> -
> - width = image->width;
> - height = image->height;
> - width2 = to_pwoer_two(width);
> - height2 = to_pwoer_two(height);
> -
> - ASSERT(width > 0 && height > 0);
> - ASSERT(width > 0 && width <= pat->owner->max_texture_size);
> - ASSERT(height > 0 && height <= pat->owner->max_texture_size);
> -
> - if (width2 != width || height2 != height) {
> - if (!(tmp_pixmap = (uint32_t *)malloc(width2 * height2 * sizeof(uint32_t)))) {
> - //warn
> - return;
> - }
> - scale(tmp_pixmap, width2, height2, (uint32_t *)image->pixels, width, height, image->stride);
> - }
> -
> - glBindTexture(GL_TEXTURE_2D, pat->texture);
> -
> - //glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
> -
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
> -
> - if (tmp_pixmap) {
> - glPixelStorei(GL_UNPACK_ROW_LENGTH, width2);
> - glTexImage2D(GL_TEXTURE_2D, 0, 4, width2, height2, 0, GL_BGRA, GL_UNSIGNED_BYTE,
> - tmp_pixmap);
> - free(tmp_pixmap);
> - } else {
> - ASSERT(image->stride % pix_bytes == 0);
> - glPixelStorei(GL_UNPACK_ROW_LENGTH, image->stride / pix_bytes);
> - glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE,
> - image->pixels);
> - }
> -
> - GLC_ERROR_TETS;
> - pat->x_orign = x_orign % width;
> - pat->y_orign = y_orign % height;
> - pat->width = width;
> - pat->height = height;
> -
> - if (ctx->pat == pat) {
> - set_pat(pat->owner, pat);
> - } else if (ctx->pat) {
> - glBindTexture(GL_TEXTURE_2D, ctx->pat->texture);
> - }
> -}
> -
> -GLCPattern glc_pattern_create(GLCCtx glc, int x_orign, int y_orign, const GLCImage *image)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - InternalPat *pat;
> -
> - ASSERT(ctx && image);
> -
> - if (!(pat = (InternalPat *)zmalloc(sizeof(*pat)))) {
> - return NULL;
> - }
> - pat->refs = 1;
> - pat->owner = ctx;
> - glGenTextures(1, &pat->texture);
> - init_pattern(pat, x_orign, y_orign, image);
> - return pat;
> -}
> -
> -void glc_pattern_set(GLCPattern pattern, int x_orign, int y_orign, const GLCImage *image)
> -{
> - InternalPat *pat = (InternalPat *)pattern;
> - ASSERT(pat && pat->owner);
> -
> - glFinish();
> - init_pattern(pat, x_orign, y_orign, image);
> -}
> -
> -void glc_pattern_destroy(GLCPattern pat)
> -{
> - unref_pat((InternalPat *)pat);
> - GLC_ERROR_TETS;
> -}
> -
> -static void set_pat(InternaCtx *ctx, InternalPat *pat)
> -{
> - pat = ref_pat(pat);
> - unref_pat(ctx->pat);
> - ctx->pat = pat;
> -
> - glEnable(GL_TEXTURE_2D);
> - glBindTexture(GL_TEXTURE_2D, pat->texture);
> -
> - GLfloat s_gen_params[] = { (GLfloat)1.0 / pat->width, 0, 0, 0 };
> - GLfloat t_gen_params[] = { 0, (GLfloat)1.0 / (GLfloat)pat->height, 0, 0 };
> - glTexGenfv(GL_S, GL_OBJECT_PLANE, s_gen_params);
> - glTexGenfv(GL_T, GL_OBJECT_PLANE, t_gen_params);
> -
> - glMatrixMode(GL_TEXTURE);
> - glLoadIdentity();
> - glTranslatef((float)pat->x_orign / pat->width, (float)Y(pat->y_orign) / pat->height, 0);
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_set_pattern(GLCCtx glc, GLCPattern pattern)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - InternalPat *pat = (InternalPat *)pattern;
> -
> - ASSERT(ctx && pat && pat->owner == ctx);
> - set_pat(ctx, pat);
> -}
> -
> -void glc_set_rgb(GLCCtx glc, double red, double green, double blue)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> -
> - glDisable(GL_TEXTURE_2D);
> - unref_pat(ctx->pat);
> - ctx->pat = NULL;
> - glColor4d(red, green, blue, 1);
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_set_op(GLCCtx glc, GLCOp op)
> -{
> - if (op == GL_COPY) {
> - glDisable(GL_COLOR_LOGIC_OP);
> - return;
> - }
> - glLogicOp(op);
> - glEnable(GL_COLOR_LOGIC_OP);
> -}
> -
> -void glc_set_line_width(GLCCtx glc, double width)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> - ctx->line_width = (GLfloat)width;
> - if (ctx->line_width > 0) {
> - glLineWidth(ctx->line_width);
> - } else {
> - ctx->line_width = 0;
> - }
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_set_fill_mode(GLCCtx glc, GLCFillMode fill_mode)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> - int mode;
> - switch (fill_mode) {
> - case GLC_FILL_MODE_WINDING_ODD:
> - mode = GLU_TESS_WINDING_ODD;
> - break;
> - case GLC_FILL_MODE_WINDING_NONZERO:
> - mode = GLU_TESS_WINDING_NONZERO;
> - break;
> - default:
> - //warn
> - return;
> - }
> - gluTessProperty(ctx->tesselator, GLU_TESS_WINDING_RULE, mode);
> -}
> -
> -static inline void add_stencil_client(InternaCtx *ctx)
> -{
> - if (!ctx->stencil_refs) {
> - glEnable(GL_STENCIL_TEST);
> - }
> - ctx->stencil_refs++;
> -}
> -
> -static inline void remove_stencil_client(InternaCtx *ctx)
> -{
> - ctx->stencil_refs--;
> - if (!ctx->stencil_refs) {
> - glDisable(GL_STENCIL_TEST);
> - }
> -}
> -
> -void glc_set_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height,
> - int stride, const uint8_t *bitmap, GLCMaskID id)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - uint32_t mask = (id == GLC_MASK_A) ? 0x04 : 0x08;
> - ASSERT(ctx && bitmap);
> - ASSERT(id == GLC_MASK_A || id == GLC_MASK_B);
> -
> - if (ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - }
> -
> - glDisable(GL_BLEND);
> -
> - if (!(ctx->stencil_mask & mask)) {
> - add_stencil_client(ctx);
> - ctx->stencil_mask |= mask;
> - }
> -
> - glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
> - ctx->draw_mode = FALSE;
> - glStencilMask(mask);
> - glClear(GL_STENCIL_BUFFER_BIT);
> -
> - glStencilFunc(GL_ALWAYS, mask, mask);
> - glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
> - fill_mask(ctx, x_dest, y_dest, width, height, stride, bitmap);
> -}
> -
> -
> -void glc_mask_rects(GLCCtx glc, int num_rect, GLCRect *rects, GLCMaskID id)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - uint32_t mask = (id == GLC_MASK_A) ? 0x04 : 0x08;
> - GLCRect *end;
> - ASSERT(ctx && rects);
> - ASSERT(id == GLC_MASK_A || id == GLC_MASK_B);
> -
> - if (ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - }
> -
> - glDisable(GL_BLEND);
> -
> - if (!(ctx->stencil_mask & mask)) {
> - add_stencil_client(ctx);
> - ctx->stencil_mask |= mask;
> - }
> -
> - glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
> - ctx->draw_mode = FALSE;
> - glStencilMask(mask);
> - glClear(GL_STENCIL_BUFFER_BIT);
> -
> - glStencilFunc(GL_ALWAYS, mask, mask);
> - glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
> - end = rects + num_rect;
> - for (; rects < end; rects++) {
> - fill_rect(ctx, rects);
> - }
> -}
> -
> -void glc_clear_mask(GLCCtx glc, GLCMaskID id)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - uint32_t mask = (id == GLC_MASK_A) ? 0x04 : 0x08;
> - ASSERT(ctx);
> - ASSERT(id == GLC_MASK_A || id == GLC_MASK_B);
> -
> - if ((ctx->stencil_mask & mask)) {
> - ctx->stencil_mask &= ~mask;
> - remove_stencil_client(ctx);
> - }
> -}
> -
> -void glc_clip_reset(GLCCtx glc)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - if (!(ctx->stencil_mask & 0x03)) {
> - return;
> - }
> - remove_stencil_client(ctx);
> - ctx->stencil_mask &= ~0x03;
> - glStencilMask(0x03);
> - glClear(GL_STENCIL_BUFFER_BIT);
> - GLC_ERROR_TETS;
> -}
> -
> -static void clip_common(InternaCtx *ctx, GLCClipOp op, void (*fill_func)(InternaCtx *, void *),
> - void *data)
> -{
> - int stencil_val;
> -
> - if (ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - }
> - glDisable(GL_BLEND);
> - glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
> - ctx->draw_mode = FALSE;
> -
> - if (op == GLC_CLIP_OP_SET) {
> - glc_clip_reset(ctx);
> - add_stencil_client(ctx);
> - ctx->stencil_mask |= 0x01;
> - } else if (!(ctx->stencil_mask & 0x03)) {
> - GLCRect area;
> - if (op == GLC_CLIP_OP_OR) {
> - return;
> - }
> - area.x = area.y = 0;
> - area.width= ctx->width;
> - area.height = ctx->height;
> - clip_common(ctx, GLC_CLIP_OP_SET, fill_rect, &area);
> - }
> - glStencilMask(0x03);
> - switch (op) {
> - case GLC_CLIP_OP_SET:
> - case GLC_CLIP_OP_OR:
> - stencil_val = ctx->stencil_mask & 0x03;
> - glStencilFunc(GL_ALWAYS, stencil_val, stencil_val);
> - glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
> - fill_func(ctx, data);
> - break;
> - case GLC_CLIP_OP_AND: {
> - int clear_mask;
> - stencil_val = ctx->stencil_mask & 0x03;
> - glStencilFunc(GL_EQUAL, stencil_val, stencil_val);
> - if (stencil_val == 0x01) {
> - glStencilOp(GL_ZERO, GL_INCR, GL_INCR);
> - stencil_val = 0x02;
> - clear_mask = 0x01;
> - } else {
> - glStencilOp(GL_ZERO, GL_DECR, GL_DECR);
> - stencil_val = 0x01;
> - clear_mask = 0x02;
> - }
> - fill_func(ctx, data);
> -
> - glStencilMask(clear_mask);
> - glClear(GL_STENCIL_BUFFER_BIT);
> - ctx->stencil_mask = (ctx->stencil_mask & ~clear_mask) |stencil_val;
> - break;
> - }
> - case GLC_CLIP_OP_EXCLUDE:
> - stencil_val = ctx->stencil_mask & 0x03;
> - glStencilFunc(GL_EQUAL, stencil_val, stencil_val);
> - glStencilOp(GL_KEEP, GL_ZERO, GL_ZERO);
> - fill_func(ctx, data);
> - break;
> - }
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_clip_rect(GLCCtx glc, const GLCRect *rect, GLCClipOp op)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx && rect);
> - clip_common(ctx, op, fill_rect, (void *)rect);
> -}
> -
> -void glc_clip_path(GLCCtx glc, GLCPath path, GLCClipOp op)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx && path);
> - clip_common(ctx, op, fill_path, path);
> -}
> -
> -typedef struct FillMaskInfo {
> - int x_dest;
> - int y_dest;
> - int width;
> - int height;
> - int stride;
> - const uint8_t *bitmap;
> -} FillMaskInfo;
> -
> -static void __fill_mask(InternaCtx *ctx, void *data)
> -{
> - FillMaskInfo *info = (FillMaskInfo *)data;
> - fill_mask(ctx, info->x_dest, info->y_dest, info->width, info->height, info->stride,
> - info->bitmap);
> -}
> -
> -void glc_clip_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height,
> - int stride, const uint8_t *bitmap, GLCClipOp op)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - FillMaskInfo mask_info;
> -
> - ASSERT(ctx && bitmap);
> - mask_info.x_dest = x_dest;
> - mask_info.y_dest = y_dest;
> - mask_info.width = width;
> - mask_info.height = height;
> - mask_info.stride = stride;
> - mask_info.bitmap = bitmap;
> - clip_common(ctx, op, __fill_mask, &mask_info);
> -}
> -
> -static inline void start_draw(InternaCtx *ctx)
> -{
> - if (ctx->draw_mode) {
> - return;
> - }
> - ctx->draw_mode = TRUE;
> - glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
> - glStencilFunc(GL_EQUAL, ctx->stencil_mask, ctx->stencil_mask);
> - glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
> - if (ctx->pat) {
> - glEnable(GL_TEXTURE_2D);
> - } else {
> - glDisable(GL_TEXTURE_2D);
> - }
> - GLC_ERROR_TETS;
> -}
> -
> -static void fill_rect(InternaCtx *ctx, void *r)
> -{
> - GLCRect *rect = (GLCRect *)r;
> - glRectd(rect->x, Y(rect->y), rect->x + rect->width, Y(rect->y + rect->height));
> - /*glBegin(GL_POLYGON);
> - VERTEX2(rect->x, rect->y);
> - VERTEX2 (rect->x + rect->width, rect->y);
> - VERTEX2 (rect->x + rect->width, rect->y + rect->height);
> - VERTEX2 (rect->x , rect->y + rect->height);
> - glEnd();*/
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_fill_rect(GLCCtx glc, const GLCRect *rect)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> - start_draw(ctx);
> - fill_rect(ctx, (void *)rect);
> - GLC_ERROR_TETS;
> -}
> -
> -static void fill_path(InternaCtx *ctx, void *p)
> -{
> - InternalPath *path = (InternalPath *)p;
> -
> - PathPoint *current_point = path->points;
> - PathSegment *current_segment = path->segments;
> - Path *current_path = path->paths;
> - Path *end_path = current_path + path->paths_pos;
> - reset_tass_vertex(ctx);
> - gluTessBeginPolygon(ctx->tesselator, ctx);
> - for (; current_path < end_path; current_path++) {
> - gluTessBeginContour(ctx->tesselator);
> - PathSegment *end_segment = current_segment + current_path->num_segments;
> - gluTessVertex(ctx->tesselator, (GLdouble *)current_point, current_point);
> - current_point++;
> - for (; current_segment < end_segment; current_segment++) {
> - PathPoint *end_point;
> - if (current_segment->type == GLC_PATH_SEG_BEIZER) {
> - end_point = current_point + current_segment->count * 3;
> - for (; current_point < end_point; current_point += 3) {
> - TassVertex *vertex = bezier_flattener(ctx, current_point - 1);
> - while (vertex) {
> - gluTessVertex(ctx->tesselator, (GLdouble *)&vertex->point,
> - (GLdouble *)&vertex->point);
> - vertex = vertex->list_link;
> - }
> - gluTessVertex(ctx->tesselator, (GLdouble *)¤t_point[2],
> - (GLdouble *)¤t_point[2]);
> - }
> - } else {
> - ASSERT(current_segment->type == GLC_PATH_SEG_LINES);
> - end_point = current_point + current_segment->count;
> - for (; current_point < end_point; current_point++) {
> - gluTessVertex(ctx->tesselator, (GLdouble *)current_point ,
> - (GLdouble *)current_point);
> - }
> - }
> - }
> - gluTessEndContour(ctx->tesselator);
> - }
> - gluTessEndPolygon(ctx->tesselator);
> -}
> -
> -void glc_fill_path(GLCCtx glc, GLCPath path_ref)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx && path_ref);
> - start_draw(ctx);
> - fill_path(ctx, path_ref);
> -}
> -
> -static void fill_mask(InternaCtx *ctx, int x_dest, int y_dest, int width, int height,
> - int stride, const uint8_t *bitmap)
> -{
> - set_raster_pos(ctx, x_dest, y_dest + height);
> - glPixelStorei(GL_UNPACK_ROW_LENGTH, stride * 8);
> - glBitmap(width, height, 0, 0, 0, 0, bitmap);
> -}
> -
> -void _glc_fill_mask(GLCCtx glc, int x_dest, int y_dest, int width, int height, int stride,
> - const uint8_t *bitmap)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx && bitmap);
> - start_draw(ctx);
> - if (ctx->pat) {
> - WARN_ONCE(("%s: unimplemented fill mask with pattern\n", __FUNCTION__));
> - }
> - fill_mask(ctx, x_dest, y_dest, width, height, stride, bitmap);
> -}
> -
> -void glc_fill_alpha(GLCCtx glc, int x_dest, int y_dest, int width, int height, int stride,
> - const uint8_t *alpha_mask)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - GLCRect r;
> -
> - ASSERT(ctx);
> - start_draw(ctx);
> -
> - glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
> - set_raster_pos(ctx, x_dest, y_dest + height);
> - glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
> - glPixelZoom(1, 1);
> - glDrawPixels(width, height, GL_ALPHA, GL_UNSIGNED_BYTE, alpha_mask);
> -
> - r.x = x_dest;
> - r.y = y_dest;
> - r.width = width;
> - r.height = height;
> -
> - //todo: support color/texture alpah vals (GL_MODULATE)
> - glEnable(GL_BLEND);
> - glBlendFunc(GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA);
> - glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
> - fill_rect(ctx, &r);
> - glDisable(GL_BLEND);
> -}
> -
> -void glc_stroke_rect(GLCCtx glc, const GLCRect *rect)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> - if (ctx->line_width == 0) {
> - return;
> - }
> -
> - start_draw(ctx);
> -
> - glBegin(GL_LINES);
> - VERTEX2 (rect->x , rect->y + 0.5);
> - VERTEX2 (rect->x + rect->width, rect->y + 0.5);
> - glEnd();
> -
> - glBegin(GL_LINES);
> - VERTEX2 (rect->x + rect->width - 0.5, rect->y);
> - VERTEX2 (rect->x + rect->width - 0.5, rect->y + rect->height);
> - glEnd();
> -
> - glBegin(GL_LINES);
> - VERTEX2 (rect->x + rect->width, rect->y + rect->height - 0.5);
> - VERTEX2 (rect->x, rect->y + rect->height - 0.5);
> - glEnd();
> -
> - glBegin(GL_LINES);
> - VERTEX2(rect->x + 0.5, rect->y + rect->height);
> - VERTEX2(rect->x + 0.5 , rect->y);
> - glEnd();
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_stroke_path(GLCCtx glc, GLCPath path_ref)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - InternalPath *path = (InternalPath *)path_ref;
> -
> - ASSERT(ctx && path);
> - if (ctx->line_width == 0) {
> - return;
> - }
> - start_draw(ctx);
> -
> - reset_tass_vertex(ctx);
> - PathPoint *current_point = path->points;
> - PathSegment *current_segment = path->segments;
> - Path *current_path = path->paths;
> - Path *end_path = current_path + path->paths_pos;
> - for (; current_path < end_path; current_path++) {
> - glBegin(GL_LINE_STRIP);
> - PathSegment *end_segment = current_segment + current_path->num_segments;
> - glVertex2d(current_point->x , current_point->y);
> - current_point++;
> - for (; current_segment < end_segment; current_segment++) {
> - PathPoint *end_point;
> - if (current_segment->type == GLC_PATH_SEG_BEIZER) {
> - end_point = current_point + current_segment->count * 3;
> - for (; current_point < end_point; current_point += 3) {
> - TassVertex *vertex = bezier_flattener(ctx, current_point - 1);
> - while (vertex) {
> - glVertex2d(vertex->point.x, vertex->point.y);
> - vertex = vertex->list_link;
> - }
> - glVertex2d(current_point[2].x , current_point[2].y);
> - }
> - } else {
> - ASSERT(current_segment->type == GLC_PATH_SEG_LINES);
> - end_point = current_point + current_segment->count;
> - for (; current_point < end_point; current_point++) {
> - glVertex2d(current_point->x , current_point->y);
> - }
> - }
> - }
> - glEnd();
> - }
> -}
> -
> -void glc_draw_image(GLCCtx glc, const GLCRecti *dest, const GLCRecti *src, const GLCImage *image,
> - int scale_mode, double alpha)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - uint8_t *pixels;
> - const int pix_bytes = 4;
> -
> - ASSERT(ctx && image);
> - ASSERT(src->width > 0 && src->height > 0);
> -
> - ASSERT(image->format == GLC_IMAGE_RGB32 || image->format == GLC_IMAGE_ARGB32); //for now
> - start_draw(ctx);
> - if (ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - }
> - set_raster_pos(ctx, dest->x, dest->y + dest->height);
> -
> - if (dest->width == src->width && src->height == dest->height) {
> - glPixelZoom(1, 1);
> - } else {
> - glPixelZoom((float)dest->width / src->width, (float)dest->height / src->height);
> - }
> -
> - pixels = image->pixels + src->x * 4 + (image->height - (src->y + src->height)) * image->stride;
> - if (image->format == GLC_IMAGE_ARGB32 || alpha != 1) {
> - glPixelTransferf(GL_ALPHA_SCALE, (GLfloat)alpha);
> - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
> - glEnable(GL_BLEND);
> - }
> - ASSERT(image->stride % pix_bytes == 0);
> - glPixelStorei(GL_UNPACK_ROW_LENGTH, image->stride / pix_bytes);
> - glDrawPixels(src->width, src->height, GL_BGRA, GL_UNSIGNED_BYTE, pixels);
> -
> - if (image->format == GLC_IMAGE_ARGB32 || alpha != 1) {
> - glDisable(GL_BLEND);
> - }
> -
> - if (ctx->pat) {
> - glEnable(GL_TEXTURE_2D);
> - }
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_copy_pixels(GLCCtx glc, int x_dest, int y_dest, int x_src, int y_src, int width,
> - int height)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> - ASSERT(ctx);
> -#ifdef USE_COPY_PIXELS
> - start_draw(ctx);
> - if (ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - }
> - set_raster_pos(ctx, x_dest, y_dest + height);
> - glPixelZoom(1, 1);
> - glCopyPixels(x_src, ctx->height - (y_src + height), width, height, GL_COLOR);
> - if (ctx->pat) {
> - glEnable(GL_TEXTURE_2D);
> - }
> -#else
> - GLuint texture;
> - int width2 = to_pwoer_two(width);
> - int height2 = to_pwoer_two(height);
> -
> - start_draw(ctx);
> - glEnable(GL_TEXTURE_2D);
> - glGenTextures(1, &texture);
> - glBindTexture(GL_TEXTURE_2D, texture);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
> - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
> -
> - glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, x_src, ctx->height - (y_src + height),
> - width2, height2, 0);
> -
> - GLfloat s_gen_params[] = { (GLfloat)1.0 / width2, 0, 0, 0 };
> - GLfloat t_gen_params[] = { 0, (GLfloat)1.0 / height2, 0, 0 };
> - glTexGenfv(GL_S, GL_OBJECT_PLANE, s_gen_params);
> - glTexGenfv(GL_T, GL_OBJECT_PLANE, t_gen_params);
> -
> - glMatrixMode(GL_TEXTURE);
> - glLoadIdentity();
> - glTranslatef((float)-x_dest / width2, (float)-Y(y_dest + height) / height2, 0);
> -
> - glRecti(x_dest, Y(y_dest), x_dest + width, Y(y_dest + height));
> - glFinish();
> - glDeleteTextures(1, &texture);
> - if (!ctx->pat) {
> - glDisable(GL_TEXTURE_2D);
> - } else {
> - set_pat(ctx, ctx->pat);
> - }
> -#endif
> - GLC_ERROR_TETS;
> -}
> -
> -void glc_read_pixels(GLCCtx glc, int x, int y, GLCImage *image)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx && image);
> - ASSERT(image->format == GLC_IMAGE_RGB32); //for now
> - ASSERT((image->stride % 4) == 0); //for now
> - glPixelStorei(GL_PACK_ROW_LENGTH, image->stride / 4);
> - glReadPixels(x, ctx->height - (y + image->height), image->width, image->height,
> - GL_BGRA, GL_UNSIGNED_BYTE, image->pixels);
> -}
> -
> -void glc_clear(GLCCtx glc)
> -{
> - InternaCtx *ctx = (InternaCtx *)glc;
> -
> - ASSERT(ctx);
> - glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
> - glClear(GL_COLOR_BUFFER_BIT);
> -}
> -
> -void glc_flush(GLCCtx glc)
> -{
> - glFlush();
> -
> - GLC_ERROR_TETS;
> -}
> -
> -static void tessellation_combine(GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4],
> - GLdouble **data_out, void *usr_data)
> -{
> - TassVertex *vertex;
> -
> - if (!(vertex = alloc_tess_vertex((InternaCtx *)usr_data))) {
> - *data_out = NULL;
> - return;
> - }
> - vertex->point.x = coords[0];
> - vertex->point.y = coords[1];
> - //vertex->point.z = coords[2];
> - *data_out = (GLdouble *)&vertex->point;
> -}
> -
> -static void tessellation_error(GLenum errorCode)
> -{
> - printf ("%s: %s\n", __FUNCTION__, gluErrorString(errorCode));
> -}
> -
> -#ifdef WIN32
> -#define TESS_CALL_BACK_TYPE void (CALLBACK *)()
> -#else
> -#define TESS_CALL_BACK_TYPE void (*)()
> -#endif
> -
> -static int init(InternaCtx *ctx, int width, int height)
> -{
> -#ifdef WIN32
> - if (!(ctx->glBlendEquation = (PFNGLBLENDEQUATIONPROC)wglGetProcAddress("glBlendEquation"))) {
> - return FALSE;
> - }
> -#endif
> - ctx->width = width;
> - ctx->height = height;
> - ctx->line_width = 1;
> -
> - glClearColor(0, 0, 0, 0);
> - glClearStencil(0);
> -
> - if (!(ctx->tesselator = gluNewTess())) {
> - return FALSE;
> - }
> -
> - glViewport(0, 0, width, height);
> - glMatrixMode(GL_PROJECTION);
> - glLoadIdentity();
> - glOrtho(0, width, 0, height, -1, 1);
> -
> - gluTessProperty(ctx->tesselator, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ODD);
> - gluTessCallback(ctx->tesselator, GLU_BEGIN, (TESS_CALL_BACK_TYPE)glBegin);
> - gluTessCallback(ctx->tesselator, GLU_VERTEX, (TESS_CALL_BACK_TYPE)glVertex3dv);
> - gluTessCallback(ctx->tesselator, GLU_END, (TESS_CALL_BACK_TYPE)glEnd);
> - gluTessCallback(ctx->tesselator, GLU_TESS_COMBINE_DATA, (TESS_CALL_BACK_TYPE)tessellation_combine);
> - gluTessCallback(ctx->tesselator, GLU_TESS_ERROR, (TESS_CALL_BACK_TYPE)tessellation_error);
> -
> - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
> - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
> - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
> - glEnable(GL_TEXTURE_GEN_S);
> - glEnable(GL_TEXTURE_GEN_T);
> -
> - glMatrixMode(GL_MODELVIEW);
> - glLoadIdentity();
> - glTranslatef(0, (GLfloat)height, 0);
> -
> - glGetIntegerv( GL_MAX_TEXTURE_SIZE, &ctx->max_texture_size);
> -
> - glPixelStorei(GL_PACK_ALIGNMENT, 1);
> -
> - glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
> - glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
> - glPixelTransferf(GL_ALPHA_BIAS, 0);
> -#ifdef WIN32
> - ctx->glBlendEquation(GL_FUNC_ADD);
> -#else
> - glBlendEquation(GL_FUNC_ADD);
> -#endif
> -
> - glStencilMask(0xff);
> - glClear(GL_STENCIL_BUFFER_BIT);
> -
> - glClear(GL_COLOR_BUFFER_BIT);
> -
> - return TRUE;
> -}
> -
> -GLCCtx glc_create(int width, int height)
> -{
> - InternaCtx *ctx;
> -
> - ASSERT(sizeof(PathPoint) == sizeof(Vertex));
> -
> - if (!(ctx = (InternaCtx *)zmalloc(sizeof(*ctx)))) {
> - return NULL;
> - }
> -
> - if (!init(ctx, width, height)) {
> - free(ctx);
> - return NULL;
> - }
> - return ctx;
> -}
> -
> -void glc_destroy(GLCCtx glc)
> -{
> - InternaCtx *ctx;
> -
> - if (!(ctx = (InternaCtx *)glc)) {
> - return;
> - }
> -
> - unref_pat(ctx->pat);
> - free_tass_vertex_bufs(ctx);
> - free(ctx);
> -}
> -
> -/*
> - todo:
> - 1. test double vs float in gl calls
> - 2. int vs flat raster position
> - 3. pixels stride vs bytes stride
> - 4. improve non power of two.
> - glGetString(GL_EXTENSIONS);
> - ARB_texture_non_power_of_two
> - ARB_texture_rectangle
> - GL_TEXTURE_RECTANGLE_ARB
> - 5. scale
> - 6. origin
> - 7. fonts
> - 8. support more image formats
> - 9. use GLCImage in mask ops?
> -*/
> -
> --
> 1.7.7.5
>
> _______________________________________________
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> Spice-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/spice-devel
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