2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
28 * glClearColor, glClearIndex, glClear() functions.
46 _mesa_ClearIndex( GLfloat c
)
48 GET_CURRENT_CONTEXT(ctx
);
50 ctx
->Color
.ClearIndex
= (GLuint
) c
;
55 * Specify the clear values for the color buffers.
57 * \param red red color component.
58 * \param green green color component.
59 * \param blue blue color component.
60 * \param alpha alpha component.
65 _mesa_ClearColor( GLclampf red
, GLclampf green
, GLclampf blue
, GLclampf alpha
)
67 GET_CURRENT_CONTEXT(ctx
);
69 ctx
->Color
.ClearColor
.f
[0] = red
;
70 ctx
->Color
.ClearColor
.f
[1] = green
;
71 ctx
->Color
.ClearColor
.f
[2] = blue
;
72 ctx
->Color
.ClearColor
.f
[3] = alpha
;
77 * GL_EXT_texture_integer
80 _mesa_ClearColorIiEXT(GLint r
, GLint g
, GLint b
, GLint a
)
82 GET_CURRENT_CONTEXT(ctx
);
84 ctx
->Color
.ClearColor
.i
[0] = r
;
85 ctx
->Color
.ClearColor
.i
[1] = g
;
86 ctx
->Color
.ClearColor
.i
[2] = b
;
87 ctx
->Color
.ClearColor
.i
[3] = a
;
92 * GL_EXT_texture_integer
95 _mesa_ClearColorIuiEXT(GLuint r
, GLuint g
, GLuint b
, GLuint a
)
97 GET_CURRENT_CONTEXT(ctx
);
99 ctx
->Color
.ClearColor
.ui
[0] = r
;
100 ctx
->Color
.ClearColor
.ui
[1] = g
;
101 ctx
->Color
.ClearColor
.ui
[2] = b
;
102 ctx
->Color
.ClearColor
.ui
[3] = a
;
107 * Returns true if color writes are enabled for the given color attachment.
109 * Beyond checking ColorMask, this uses _mesa_format_has_color_component to
110 * ignore components that don't actually exist in the format (such as X in
114 color_buffer_writes_enabled(const struct gl_context
*ctx
, unsigned idx
)
116 struct gl_renderbuffer
*rb
= ctx
->DrawBuffer
->_ColorDrawBuffers
[idx
];
120 for (c
= 0; c
< 4; c
++) {
121 if (ctx
->Color
.ColorMask
[idx
][c
] &&
122 _mesa_format_has_color_component(rb
->Format
, c
)) {
135 * \param mask bit-mask indicating the buffers to be cleared.
137 * Flushes the vertices and verifies the parameter.
138 * If __struct gl_contextRec::NewState is set then calls _mesa_update_state()
139 * to update gl_frame_buffer::_Xmin, etc. If the rasterization mode is set to
140 * GL_RENDER then requests the driver to clear the buffers, via the
141 * dd_function_table::Clear callback.
143 static ALWAYS_INLINE
void
144 clear(struct gl_context
*ctx
, GLbitfield mask
, bool no_error
)
146 FLUSH_VERTICES(ctx
, 0);
147 FLUSH_CURRENT(ctx
, 0);
150 if (mask
& ~(GL_COLOR_BUFFER_BIT
|
151 GL_DEPTH_BUFFER_BIT
|
152 GL_STENCIL_BUFFER_BIT
|
153 GL_ACCUM_BUFFER_BIT
)) {
154 _mesa_error( ctx
, GL_INVALID_VALUE
, "glClear(0x%x)", mask
);
158 /* Accumulation buffers were removed in core contexts, and they never
159 * existed in OpenGL ES.
161 if ((mask
& GL_ACCUM_BUFFER_BIT
) != 0
162 && (ctx
->API
== API_OPENGL_CORE
|| _mesa_is_gles(ctx
))) {
163 _mesa_error( ctx
, GL_INVALID_VALUE
, "glClear(GL_ACCUM_BUFFER_BIT)");
169 _mesa_update_state( ctx
); /* update _Xmin, etc */
172 if (!no_error
&& ctx
->DrawBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
173 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
174 "glClear(incomplete framebuffer)");
178 if (ctx
->RasterDiscard
)
181 if (ctx
->RenderMode
== GL_RENDER
) {
182 GLbitfield bufferMask
;
184 /* don't clear depth buffer if depth writing disabled */
185 if (!ctx
->Depth
.Mask
)
186 mask
&= ~GL_DEPTH_BUFFER_BIT
;
188 /* Build the bitmask to send to device driver's Clear function.
189 * Note that the GL_COLOR_BUFFER_BIT flag will expand to 0, 1, 2 or 4
190 * of the BUFFER_BIT_FRONT/BACK_LEFT/RIGHT flags, or one of the
191 * BUFFER_BIT_COLORn flags.
194 if (mask
& GL_COLOR_BUFFER_BIT
) {
196 for (i
= 0; i
< ctx
->DrawBuffer
->_NumColorDrawBuffers
; i
++) {
197 GLint buf
= ctx
->DrawBuffer
->_ColorDrawBufferIndexes
[i
];
199 if (buf
>= 0 && color_buffer_writes_enabled(ctx
, i
)) {
200 bufferMask
|= 1 << buf
;
205 if ((mask
& GL_DEPTH_BUFFER_BIT
)
206 && ctx
->DrawBuffer
->Visual
.haveDepthBuffer
) {
207 bufferMask
|= BUFFER_BIT_DEPTH
;
210 if ((mask
& GL_STENCIL_BUFFER_BIT
)
211 && ctx
->DrawBuffer
->Visual
.haveStencilBuffer
) {
212 bufferMask
|= BUFFER_BIT_STENCIL
;
215 if ((mask
& GL_ACCUM_BUFFER_BIT
)
216 && ctx
->DrawBuffer
->Visual
.haveAccumBuffer
) {
217 bufferMask
|= BUFFER_BIT_ACCUM
;
220 assert(ctx
->Driver
.Clear
);
221 ctx
->Driver
.Clear(ctx
, bufferMask
);
227 _mesa_Clear_no_error(GLbitfield mask
)
229 GET_CURRENT_CONTEXT(ctx
);
230 clear(ctx
, mask
, true);
235 _mesa_Clear(GLbitfield mask
)
237 GET_CURRENT_CONTEXT(ctx
);
239 if (MESA_VERBOSE
& VERBOSE_API
)
240 _mesa_debug(ctx
, "glClear 0x%x\n", mask
);
242 clear(ctx
, mask
, false);
246 /** Returned by make_color_buffer_mask() for errors */
247 #define INVALID_MASK ~0x0U
251 * Convert the glClearBuffer 'drawbuffer' parameter into a bitmask of
252 * BUFFER_BIT_x values.
253 * Return INVALID_MASK if the drawbuffer value is invalid.
256 make_color_buffer_mask(struct gl_context
*ctx
, GLint drawbuffer
)
258 const struct gl_renderbuffer_attachment
*att
= ctx
->DrawBuffer
->Attachment
;
259 GLbitfield mask
= 0x0;
261 /* From the GL 4.0 specification:
262 * If buffer is COLOR, a particular draw buffer DRAW_BUFFERi is
263 * specified by passing i as the parameter drawbuffer, and value
264 * points to a four-element vector specifying the R, G, B, and A
265 * color to clear that draw buffer to. If the draw buffer is one
266 * of FRONT, BACK, LEFT, RIGHT, or FRONT_AND_BACK, identifying
267 * multiple buffers, each selected buffer is cleared to the same
270 * Note that "drawbuffer" and "draw buffer" have different meaning.
271 * "drawbuffer" specifies DRAW_BUFFERi, while "draw buffer" is what's
272 * assigned to DRAW_BUFFERi. It could be COLOR_ATTACHMENT0, FRONT, BACK,
275 if (drawbuffer
< 0 || drawbuffer
>= (GLint
)ctx
->Const
.MaxDrawBuffers
) {
279 switch (ctx
->DrawBuffer
->ColorDrawBuffer
[drawbuffer
]) {
281 if (att
[BUFFER_FRONT_LEFT
].Renderbuffer
)
282 mask
|= BUFFER_BIT_FRONT_LEFT
;
283 if (att
[BUFFER_FRONT_RIGHT
].Renderbuffer
)
284 mask
|= BUFFER_BIT_FRONT_RIGHT
;
287 /* For GLES contexts with a single buffered configuration, we actually
288 * only have a front renderbuffer, so any clear calls to GL_BACK should
289 * affect that buffer. See draw_buffer_enum_to_bitmask for details.
291 if (_mesa_is_gles(ctx
))
292 if (!ctx
->DrawBuffer
->Visual
.doubleBufferMode
)
293 if (att
[BUFFER_FRONT_LEFT
].Renderbuffer
)
294 mask
|= BUFFER_BIT_FRONT_LEFT
;
295 if (att
[BUFFER_BACK_LEFT
].Renderbuffer
)
296 mask
|= BUFFER_BIT_BACK_LEFT
;
297 if (att
[BUFFER_BACK_RIGHT
].Renderbuffer
)
298 mask
|= BUFFER_BIT_BACK_RIGHT
;
301 if (att
[BUFFER_FRONT_LEFT
].Renderbuffer
)
302 mask
|= BUFFER_BIT_FRONT_LEFT
;
303 if (att
[BUFFER_BACK_LEFT
].Renderbuffer
)
304 mask
|= BUFFER_BIT_BACK_LEFT
;
307 if (att
[BUFFER_FRONT_RIGHT
].Renderbuffer
)
308 mask
|= BUFFER_BIT_FRONT_RIGHT
;
309 if (att
[BUFFER_BACK_RIGHT
].Renderbuffer
)
310 mask
|= BUFFER_BIT_BACK_RIGHT
;
312 case GL_FRONT_AND_BACK
:
313 if (att
[BUFFER_FRONT_LEFT
].Renderbuffer
)
314 mask
|= BUFFER_BIT_FRONT_LEFT
;
315 if (att
[BUFFER_BACK_LEFT
].Renderbuffer
)
316 mask
|= BUFFER_BIT_BACK_LEFT
;
317 if (att
[BUFFER_FRONT_RIGHT
].Renderbuffer
)
318 mask
|= BUFFER_BIT_FRONT_RIGHT
;
319 if (att
[BUFFER_BACK_RIGHT
].Renderbuffer
)
320 mask
|= BUFFER_BIT_BACK_RIGHT
;
324 GLint buf
= ctx
->DrawBuffer
->_ColorDrawBufferIndexes
[drawbuffer
];
326 if (buf
>= 0 && att
[buf
].Renderbuffer
) {
339 * Clear signed integer color buffer or stencil buffer (not depth).
341 static ALWAYS_INLINE
void
342 clear_bufferiv(struct gl_context
*ctx
, GLenum buffer
, GLint drawbuffer
,
343 const GLint
*value
, bool no_error
)
345 FLUSH_VERTICES(ctx
, 0);
346 FLUSH_CURRENT(ctx
, 0);
349 _mesa_update_state( ctx
);
354 /* Page 264 (page 280 of the PDF) of the OpenGL 3.0 spec says:
356 * "ClearBuffer generates an INVALID VALUE error if buffer is
357 * COLOR and drawbuffer is less than zero, or greater than the
358 * value of MAX DRAW BUFFERS minus one; or if buffer is DEPTH,
359 * STENCIL, or DEPTH STENCIL and drawbuffer is not zero."
361 if (!no_error
&& drawbuffer
!= 0) {
362 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferiv(drawbuffer=%d)",
366 else if (ctx
->DrawBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
367 && !ctx
->RasterDiscard
) {
368 /* Save current stencil clear value, set to 'value', do the
369 * stencil clear and restore the clear value.
370 * XXX in the future we may have a new ctx->Driver.ClearBuffer()
373 const GLuint clearSave
= ctx
->Stencil
.Clear
;
374 ctx
->Stencil
.Clear
= *value
;
375 ctx
->Driver
.Clear(ctx
, BUFFER_BIT_STENCIL
);
376 ctx
->Stencil
.Clear
= clearSave
;
381 const GLbitfield mask
= make_color_buffer_mask(ctx
, drawbuffer
);
382 if (!no_error
&& mask
== INVALID_MASK
) {
383 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferiv(drawbuffer=%d)",
387 else if (mask
&& !ctx
->RasterDiscard
) {
388 union gl_color_union clearSave
;
391 clearSave
= ctx
->Color
.ClearColor
;
393 COPY_4V(ctx
->Color
.ClearColor
.i
, value
);
394 /* clear buffer(s) */
395 ctx
->Driver
.Clear(ctx
, mask
);
397 ctx
->Color
.ClearColor
= clearSave
;
403 /* Page 498 of the PDF, section '17.4.3.1 Clearing Individual Buffers'
404 * of the OpenGL 4.5 spec states:
406 * "An INVALID_ENUM error is generated by ClearBufferiv and
407 * ClearNamedFramebufferiv if buffer is not COLOR or STENCIL."
409 _mesa_error(ctx
, GL_INVALID_ENUM
, "glClearBufferiv(buffer=%s)",
410 _mesa_enum_to_string(buffer
));
418 _mesa_ClearBufferiv_no_error(GLenum buffer
, GLint drawbuffer
, const GLint
*value
)
420 GET_CURRENT_CONTEXT(ctx
);
421 clear_bufferiv(ctx
, buffer
, drawbuffer
, value
, true);
426 _mesa_ClearBufferiv(GLenum buffer
, GLint drawbuffer
, const GLint
*value
)
428 GET_CURRENT_CONTEXT(ctx
);
429 clear_bufferiv(ctx
, buffer
, drawbuffer
, value
, false);
434 * The ClearBuffer framework is so complicated and so riddled with the
435 * assumption that the framebuffer is bound that, for now, we will just fake
436 * direct state access clearing for the user.
439 _mesa_ClearNamedFramebufferiv(GLuint framebuffer
, GLenum buffer
,
440 GLint drawbuffer
, const GLint
*value
)
444 _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING
, &oldfb
);
445 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, framebuffer
);
446 _mesa_ClearBufferiv(buffer
, drawbuffer
, value
);
447 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, (GLuint
) oldfb
);
453 * Clear unsigned integer color buffer (not depth, not stencil).
455 static ALWAYS_INLINE
void
456 clear_bufferuiv(struct gl_context
*ctx
, GLenum buffer
, GLint drawbuffer
,
457 const GLuint
*value
, bool no_error
)
459 FLUSH_VERTICES(ctx
, 0);
460 FLUSH_CURRENT(ctx
, 0);
463 _mesa_update_state( ctx
);
469 const GLbitfield mask
= make_color_buffer_mask(ctx
, drawbuffer
);
470 if (!no_error
&& mask
== INVALID_MASK
) {
471 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferuiv(drawbuffer=%d)",
475 else if (mask
&& !ctx
->RasterDiscard
) {
476 union gl_color_union clearSave
;
479 clearSave
= ctx
->Color
.ClearColor
;
481 COPY_4V(ctx
->Color
.ClearColor
.ui
, value
);
482 /* clear buffer(s) */
483 ctx
->Driver
.Clear(ctx
, mask
);
485 ctx
->Color
.ClearColor
= clearSave
;
491 /* Page 498 of the PDF, section '17.4.3.1 Clearing Individual Buffers'
492 * of the OpenGL 4.5 spec states:
494 * "An INVALID_ENUM error is generated by ClearBufferuiv and
495 * ClearNamedFramebufferuiv if buffer is not COLOR."
497 _mesa_error(ctx
, GL_INVALID_ENUM
, "glClearBufferuiv(buffer=%s)",
498 _mesa_enum_to_string(buffer
));
506 _mesa_ClearBufferuiv_no_error(GLenum buffer
, GLint drawbuffer
,
509 GET_CURRENT_CONTEXT(ctx
);
510 clear_bufferuiv(ctx
, buffer
, drawbuffer
, value
, true);
515 _mesa_ClearBufferuiv(GLenum buffer
, GLint drawbuffer
, const GLuint
*value
)
517 GET_CURRENT_CONTEXT(ctx
);
518 clear_bufferuiv(ctx
, buffer
, drawbuffer
, value
, false);
523 * The ClearBuffer framework is so complicated and so riddled with the
524 * assumption that the framebuffer is bound that, for now, we will just fake
525 * direct state access clearing for the user.
528 _mesa_ClearNamedFramebufferuiv(GLuint framebuffer
, GLenum buffer
,
529 GLint drawbuffer
, const GLuint
*value
)
533 _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING
, &oldfb
);
534 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, framebuffer
);
535 _mesa_ClearBufferuiv(buffer
, drawbuffer
, value
);
536 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, (GLuint
) oldfb
);
542 * Clear fixed-pt or float color buffer or depth buffer (not stencil).
544 static ALWAYS_INLINE
void
545 clear_bufferfv(struct gl_context
*ctx
, GLenum buffer
, GLint drawbuffer
,
546 const GLfloat
*value
, bool no_error
)
548 FLUSH_VERTICES(ctx
, 0);
549 FLUSH_CURRENT(ctx
, 0);
552 _mesa_update_state( ctx
);
557 /* Page 264 (page 280 of the PDF) of the OpenGL 3.0 spec says:
559 * "ClearBuffer generates an INVALID VALUE error if buffer is
560 * COLOR and drawbuffer is less than zero, or greater than the
561 * value of MAX DRAW BUFFERS minus one; or if buffer is DEPTH,
562 * STENCIL, or DEPTH STENCIL and drawbuffer is not zero."
564 if (!no_error
&& drawbuffer
!= 0) {
565 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferfv(drawbuffer=%d)",
569 else if (ctx
->DrawBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
570 && !ctx
->RasterDiscard
) {
571 /* Save current depth clear value, set to 'value', do the
572 * depth clear and restore the clear value.
573 * XXX in the future we may have a new ctx->Driver.ClearBuffer()
576 const GLclampd clearSave
= ctx
->Depth
.Clear
;
577 ctx
->Depth
.Clear
= *value
;
578 ctx
->Driver
.Clear(ctx
, BUFFER_BIT_DEPTH
);
579 ctx
->Depth
.Clear
= clearSave
;
581 /* clear depth buffer to value */
585 const GLbitfield mask
= make_color_buffer_mask(ctx
, drawbuffer
);
586 if (!no_error
&& mask
== INVALID_MASK
) {
587 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferfv(drawbuffer=%d)",
591 else if (mask
&& !ctx
->RasterDiscard
) {
592 union gl_color_union clearSave
;
595 clearSave
= ctx
->Color
.ClearColor
;
597 COPY_4V(ctx
->Color
.ClearColor
.f
, value
);
598 /* clear buffer(s) */
599 ctx
->Driver
.Clear(ctx
, mask
);
601 ctx
->Color
.ClearColor
= clearSave
;
607 /* Page 498 of the PDF, section '17.4.3.1 Clearing Individual Buffers'
608 * of the OpenGL 4.5 spec states:
610 * "An INVALID_ENUM error is generated by ClearBufferfv and
611 * ClearNamedFramebufferfv if buffer is not COLOR or DEPTH."
613 _mesa_error(ctx
, GL_INVALID_ENUM
, "glClearBufferfv(buffer=%s)",
614 _mesa_enum_to_string(buffer
));
622 _mesa_ClearBufferfv_no_error(GLenum buffer
, GLint drawbuffer
,
623 const GLfloat
*value
)
625 GET_CURRENT_CONTEXT(ctx
);
626 clear_bufferfv(ctx
, buffer
, drawbuffer
, value
, true);
631 _mesa_ClearBufferfv(GLenum buffer
, GLint drawbuffer
, const GLfloat
*value
)
633 GET_CURRENT_CONTEXT(ctx
);
634 clear_bufferfv(ctx
, buffer
, drawbuffer
, value
, false);
639 * The ClearBuffer framework is so complicated and so riddled with the
640 * assumption that the framebuffer is bound that, for now, we will just fake
641 * direct state access clearing for the user.
644 _mesa_ClearNamedFramebufferfv(GLuint framebuffer
, GLenum buffer
,
645 GLint drawbuffer
, const GLfloat
*value
)
649 _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING
, &oldfb
);
650 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, framebuffer
);
651 _mesa_ClearBufferfv(buffer
, drawbuffer
, value
);
652 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, (GLuint
) oldfb
);
658 * Clear depth/stencil buffer only.
660 static ALWAYS_INLINE
void
661 clear_bufferfi(struct gl_context
*ctx
, GLenum buffer
, GLint drawbuffer
,
662 GLfloat depth
, GLint stencil
, bool no_error
)
666 FLUSH_VERTICES(ctx
, 0);
667 FLUSH_CURRENT(ctx
, 0);
670 if (buffer
!= GL_DEPTH_STENCIL
) {
671 _mesa_error(ctx
, GL_INVALID_ENUM
, "glClearBufferfi(buffer=%s)",
672 _mesa_enum_to_string(buffer
));
676 /* Page 264 (page 280 of the PDF) of the OpenGL 3.0 spec says:
678 * "ClearBuffer generates an INVALID VALUE error if buffer is
679 * COLOR and drawbuffer is less than zero, or greater than the
680 * value of MAX DRAW BUFFERS minus one; or if buffer is DEPTH,
681 * STENCIL, or DEPTH STENCIL and drawbuffer is not zero."
683 if (drawbuffer
!= 0) {
684 _mesa_error(ctx
, GL_INVALID_VALUE
, "glClearBufferfi(drawbuffer=%d)",
690 if (ctx
->RasterDiscard
)
694 _mesa_update_state( ctx
);
697 if (ctx
->DrawBuffer
->Attachment
[BUFFER_DEPTH
].Renderbuffer
)
698 mask
|= BUFFER_BIT_DEPTH
;
699 if (ctx
->DrawBuffer
->Attachment
[BUFFER_STENCIL
].Renderbuffer
)
700 mask
|= BUFFER_BIT_STENCIL
;
703 /* save current clear values */
704 const GLclampd clearDepthSave
= ctx
->Depth
.Clear
;
705 const GLuint clearStencilSave
= ctx
->Stencil
.Clear
;
707 /* set new clear values */
708 ctx
->Depth
.Clear
= depth
;
709 ctx
->Stencil
.Clear
= stencil
;
712 ctx
->Driver
.Clear(ctx
, mask
);
715 ctx
->Depth
.Clear
= clearDepthSave
;
716 ctx
->Stencil
.Clear
= clearStencilSave
;
722 _mesa_ClearBufferfi_no_error(GLenum buffer
, GLint drawbuffer
,
723 GLfloat depth
, GLint stencil
)
725 GET_CURRENT_CONTEXT(ctx
);
726 clear_bufferfi(ctx
, buffer
, drawbuffer
, depth
, stencil
, true);
731 _mesa_ClearBufferfi(GLenum buffer
, GLint drawbuffer
,
732 GLfloat depth
, GLint stencil
)
734 GET_CURRENT_CONTEXT(ctx
);
735 clear_bufferfi(ctx
, buffer
, drawbuffer
, depth
, stencil
, false);
740 * The ClearBuffer framework is so complicated and so riddled with the
741 * assumption that the framebuffer is bound that, for now, we will just fake
742 * direct state access clearing for the user.
745 _mesa_ClearNamedFramebufferfi(GLuint framebuffer
, GLenum buffer
,
746 GLint drawbuffer
, GLfloat depth
, GLint stencil
)
750 _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING
, &oldfb
);
751 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, framebuffer
);
752 _mesa_ClearBufferfi(buffer
, drawbuffer
, depth
, stencil
);
753 _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER
, (GLuint
) oldfb
);