ReactOS 0.4.15-dev-7931-gfd331f1
masking.h File Reference
#include "types.h"
Include dependency graph for masking.h:
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Functions

void gl_IndexMask (GLcontext *ctx, GLuint mask)
 
void gl_ColorMask (GLcontext *ctx, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
 
void gl_mask_color_span (GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte red[], GLubyte green[], GLubyte blue[], GLubyte alpha[])
 
void gl_mask_color_pixels (GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], GLubyte red[], GLubyte green[], GLubyte blue[], GLubyte alpha[], const GLubyte mask[])
 
void gl_mask_index_span (GLcontext *ctx, GLuint n, GLint x, GLint y, GLuint index[])
 
void gl_mask_index_pixels (GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], GLuint index[], const GLubyte mask[])
 

Function Documentation

◆ gl_ColorMask()

void gl_ColorMask ( GLcontext ctx,
GLboolean  red,
GLboolean  green,
GLboolean  blue,
GLboolean  alpha 
)

Definition at line 76 of file masking.c.

78{
79 if (INSIDE_BEGIN_END(ctx)) {
80 gl_error( ctx, GL_INVALID_OPERATION, "glColorMask" );
81 return;
82 }
83 ctx->Color.ColorMask = (red << 3) | (green << 2) | (blue << 1) | alpha;
84 ctx->NewState |= NEW_RASTER_OPS;
85}
void gl_error(GLcontext *ctx, GLenum error, const char *s)
Definition: context.c:1421
#define NEW_RASTER_OPS
Definition: types.h:1233
GLclampf green
Definition: gl.h:1740
#define GL_INVALID_OPERATION
Definition: gl.h:696
GLclampf GLclampf GLclampf alpha
Definition: gl.h:1740
GLclampf GLclampf blue
Definition: gl.h:1740
#define red
Definition: linetest.c:67
#define INSIDE_BEGIN_END(CTX)
Definition: macros.h:135

Referenced by execute_list(), and init_exec_pointers().

◆ gl_IndexMask()

void gl_IndexMask ( GLcontext ctx,
GLuint  mask 
)

Definition at line 64 of file masking.c.

65{
66 if (INSIDE_BEGIN_END(ctx)) {
67 gl_error( ctx, GL_INVALID_OPERATION, "glIndexMask" );
68 return;
69 }
70 ctx->Color.IndexMask = mask;
71 ctx->NewState |= NEW_RASTER_OPS;
72}
GLenum GLint GLuint mask
Definition: glext.h:6028

Referenced by execute_list(), and init_exec_pointers().

◆ gl_mask_color_pixels()

void gl_mask_color_pixels ( GLcontext ctx,
GLuint  n,
const GLint  x[],
const GLint  y[],
GLubyte  red[],
GLubyte  green[],
GLubyte  blue[],
GLubyte  alpha[],
const GLubyte  mask[] 
)

Definition at line 125 of file masking.c.

130{
132
133 (*ctx->Driver.ReadColorPixels)( ctx, n, x, y, r, g, b, a, mask );
134 if (ctx->RasterMask & ALPHABUF_BIT) {
136 }
137
138 if ((ctx->Color.ColorMask & 8) == 0) {
139 /* replace source reds with frame buffer reds */
140 MEMCPY( red, r, n );
141 }
142 if ((ctx->Color.ColorMask & 4) == 0) {
143 /* replace source greens with frame buffer greens */
144 MEMCPY( green, g, n );
145 }
146 if ((ctx->Color.ColorMask & 2) == 0) {
147 /* replace source blues with frame buffer blues */
148 MEMCPY( blue, b, n );
149 }
150 if ((ctx->Color.ColorMask & 1) == 0) {
151 /* replace source alphas with frame buffer alphas */
152 MEMCPY( alpha, a, n );
153 }
154}
void gl_read_alpha_pixels(GLcontext *ctx, GLuint n, const GLint x[], const GLint y[], GLubyte alpha[], const GLubyte mask[])
Definition: alphabuf.c:257
#define ALPHABUF_BIT
Definition: types.h:1223
unsigned char GLubyte
Definition: gl.h:157
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
GLdouble n
Definition: glext.h:7729
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
GLboolean GLboolean g
Definition: glext.h:6204
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
#define MEMCPY(DST, SRC, BYTES)
Definition: macros.h:231
#define PB_SIZE
Definition: pb.h:52

Referenced by gl_flush_pb().

◆ gl_mask_color_span()

void gl_mask_color_span ( GLcontext ctx,
GLuint  n,
GLint  x,
GLint  y,
GLubyte  red[],
GLubyte  green[],
GLubyte  blue[],
GLubyte  alpha[] 
)

Definition at line 93 of file masking.c.

97{
99
100 gl_read_color_span( ctx, n, x, y, r, g, b, a );
101
102 if ((ctx->Color.ColorMask & 8) == 0) {
103 /* replace source reds with frame buffer reds */
104 MEMCPY( red, r, n );
105 }
106 if ((ctx->Color.ColorMask & 4) == 0) {
107 /* replace source greens with frame buffer greens */
108 MEMCPY( green, g, n );
109 }
110 if ((ctx->Color.ColorMask & 2) == 0) {
111 /* replace source blues with frame buffer blues */
112 MEMCPY( blue, b, n );
113 }
114 if ((ctx->Color.ColorMask & 1) == 0) {
115 /* replace source alphas with frame buffer alphas */
116 MEMCPY( alpha, a, n );
117 }
118}
#define MAX_WIDTH
Definition: config.h:130
void gl_read_color_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte red[], GLubyte green[], GLubyte blue[], GLubyte alpha[])
Definition: span.c:850

Referenced by clear_color_buffer_with_masking(), gl_write_color_span(), gl_write_monocolor_span(), and gl_write_texture_span().

◆ gl_mask_index_pixels()

void gl_mask_index_pixels ( GLcontext ctx,
GLuint  n,
const GLint  x[],
const GLint  y[],
GLuint  index[],
const GLubyte  mask[] 
)

Definition at line 183 of file masking.c.

186{
187 GLuint i;
188 GLuint fbindexes[PB_SIZE];
189 GLuint msrc, mdest;
190
191 (*ctx->Driver.ReadIndexPixels)( ctx, n, x, y, fbindexes, mask );
192
193 msrc = ctx->Color.IndexMask;
194 mdest = ~msrc;
195
196 for (i=0;i<n;i++) {
197 index[i] = (index[i] & msrc) | (fbindexes[i] & mdest);
198 }
199}
unsigned int GLuint
Definition: gl.h:159
GLuint index
Definition: glext.h:6031
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248

Referenced by gl_flush_pb().

◆ gl_mask_index_span()

void gl_mask_index_span ( GLcontext ctx,
GLuint  n,
GLint  x,
GLint  y,
GLuint  index[] 
)

Definition at line 161 of file masking.c.

163{
164 GLuint i;
165 GLuint fbindexes[MAX_WIDTH];
166 GLuint msrc, mdest;
167
168 gl_read_index_span( ctx, n, x, y, fbindexes );
169
170 msrc = ctx->Color.IndexMask;
171 mdest = ~msrc;
172
173 for (i=0;i<n;i++) {
174 index[i] = (index[i] & msrc) | (fbindexes[i] & mdest);
175 }
176}
void gl_read_index_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLuint indx[])
Definition: span.c:897

Referenced by clear_color_buffer_with_masking(), gl_write_index_span(), and gl_write_monoindex_span().