本文整理汇总了C++中FLUSH_CURRENT函数的典型用法代码示例。如果您正苦于以下问题：C++ FLUSH_CURRENT函数的具体用法？C++ FLUSH_CURRENT怎么用？C++ FLUSH_CURRENT使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了FLUSH_CURRENT函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: _mesa_validate_DrawElementsInstanced
GLboolean
_mesa_validate_DrawElementsInstanced(struct gl_context *ctx,
GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLsizei numInstances)
{
FLUSH_CURRENT(ctx, 0);
if (numInstances < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawElementsInstanced(numInstances=%d)", numInstances);
return GL_FALSE;
}
return validate_DrawElements_common(ctx, mode, count, type, indices,
"glDrawElementsInstanced")
&& (numInstances > 0);
}
开发者ID:threader，项目名称:mesa-11.1.1-ppc-r300-debian，代码行数:17，代码来源:api_validate.c
示例2: _mesa_GetVertexAttribfvARB
void GLAPIENTRY
_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index == 0 || index >= MAX_VERTEX_PROGRAM_ATTRIBS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribfvARB(index)");
return;
}
switch (pname) {
case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Enabled;
break;
case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Size;
break;
case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Stride;
break;
case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Type;
break;
case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
params[0] = ctx->Array.VertexAttrib[index].Normalized;
break;
case GL_CURRENT_VERTEX_ATTRIB_ARB:
FLUSH_CURRENT(ctx, 0);
/* XXX should read:
COPY_4V(params, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index]);
*/
COPY_4V(params, ctx->Current.Attrib[index]);
break;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
if (!ctx->Extensions.ARB_vertex_buffer_object) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribfvARB(pname)");
return;
}
params[0] = (GLfloat) ctx->Array.VertexAttrib[index].BufferObj->Name;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribfvARB(pname)");
return;
}
}
开发者ID:Ionic，项目名称:nx-libs，代码行数:45，代码来源:arbprogram.c
示例3: _mesa_GetVertexAttribivNV
/**
* Get a vertex (or vertex array) attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void GLAPIENTRY
_mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
return;
}
switch (pname) {
case GL_ATTRIB_ARRAY_SIZE_NV:
params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Size;
break;
case GL_ATTRIB_ARRAY_STRIDE_NV:
params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Stride;
break;
case GL_ATTRIB_ARRAY_TYPE_NV:
params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Type;
break;
case GL_CURRENT_ATTRIB_NV:
if (index == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetVertexAttribivNV(index == 0)");
return;
}
FLUSH_CURRENT(ctx, 0);
params[0] = (GLint) ctx->Current.Attrib[index][0];
params[1] = (GLint) ctx->Current.Attrib[index][1];
params[2] = (GLint) ctx->Current.Attrib[index][2];
params[3] = (GLint) ctx->Current.Attrib[index][3];
break;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
if (!ctx->Extensions.ARB_vertex_buffer_object) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
return;
}
params[0] = ctx->Array.ArrayObj->VertexAttrib[index].BufferObj->Name;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
return;
}
}
开发者ID:Starlink，项目名称:mesa，代码行数:50，代码来源:nvprogram.c
示例4: _mesa_GetVertexAttribivNV
/**
* Get a vertex (or vertex array) attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void GLAPIENTRY
_mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
{
const struct gl_client_array *array;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
return;
}
array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
switch (pname) {
case GL_ATTRIB_ARRAY_SIZE_NV:
params[0] = array->Size;
break;
case GL_ATTRIB_ARRAY_STRIDE_NV:
params[0] = array->Stride;
break;
case GL_ATTRIB_ARRAY_TYPE_NV:
params[0] = array->Type;
break;
case GL_CURRENT_ATTRIB_NV:
if (index == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetVertexAttribivNV(index == 0)");
return;
}
FLUSH_CURRENT(ctx, 0);
params[0] = (GLint) ctx->Current.Attrib[index][0];
params[1] = (GLint) ctx->Current.Attrib[index][1];
params[2] = (GLint) ctx->Current.Attrib[index][2];
params[3] = (GLint) ctx->Current.Attrib[index][3];
break;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
params[0] = array->BufferObj->Name;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
return;
}
}
开发者ID:FASTCHIP，项目名称:kernel_3.4.67_lenovo_s939_mtk6592，代码行数:49，代码来源:nvprogram.c
示例5: rasterpos
/**
* Helper function for all the RasterPos functions.
*/
static void
rasterpos(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
{
GET_CURRENT_CONTEXT(ctx);
GLfloat p[4];
p[0] = x;
p[1] = y;
p[2] = z;
p[3] = w;
FLUSH_VERTICES(ctx, 0);
FLUSH_CURRENT(ctx, 0);
if (ctx->NewState)
_mesa_update_state( ctx );
ctx->Driver.RasterPos(ctx, p);
}
开发者ID:mdaniel，项目名称:virtualbox-org-svn-vbox-trunk，代码行数:22，代码来源:rastpos.c
示例6: rasterpos
/**
* Helper function for all the RasterPos functions.
*/
static void
rasterpos(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
{
GET_CURRENT_CONTEXT(ctx);
GLfloat p[4];
p[0] = x;
p[1] = y;
p[2] = z;
p[3] = w;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
FLUSH_CURRENT(ctx, 0);
if (ctx->NewState)
_mesa_update_state( ctx );
ctx->Driver.RasterPos(ctx, p);
}
开发者ID:GYGit，项目名称:reactos，代码行数:22，代码来源:rastpos.c
示例7: _mesa_validate_DrawTransformFeedback
GLboolean
_mesa_validate_DrawTransformFeedback(struct gl_context *ctx,
GLenum mode,
struct gl_transform_feedback_object *obj,
GLuint stream,
GLsizei numInstances)
{
FLUSH_CURRENT(ctx, 0);
if (!_mesa_valid_prim_mode(ctx, mode, "glDrawTransformFeedback*(mode)")) {
return GL_FALSE;
}
if (!obj) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDrawTransformFeedback*(name)");
return GL_FALSE;
}
if (!obj->EndedAnytime) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawTransformFeedback*");
return GL_FALSE;
}
if (stream >= ctx->Const.MaxVertexStreams) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawTransformFeedbackStream*(index>=MaxVertexStream)");
return GL_FALSE;
}
if (numInstances <= 0) {
if (numInstances < 0)
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawTransformFeedback*Instanced(numInstances=%d)",
numInstances);
return GL_FALSE;
}
if (!check_valid_to_render(ctx, "glDrawTransformFeedback*")) {
return GL_FALSE;
}
return GL_TRUE;
}
开发者ID:CSRedRat，项目名称:mesa-1，代码行数:43，代码来源:api_validate.c
示例8: window_pos3f
/**
* All glWindowPosMESA and glWindowPosARB commands call this function to
* update the current raster position.
*/
static void
window_pos3f(GLfloat x, GLfloat y, GLfloat z)
{
GET_CURRENT_CONTEXT(ctx);
GLfloat z2;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
FLUSH_CURRENT(ctx, 0);
z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near)
+ ctx->Viewport.Near;
/* set raster position */
ctx->Current.RasterPos[0] = x;
ctx->Current.RasterPos[1] = y;
ctx->Current.RasterPos[2] = z2;
ctx->Current.RasterPos[3] = 1.0F;
ctx->Current.RasterPosValid = GL_TRUE;
if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
else
ctx->Current.RasterDistance = 0.0;
/* raster color = current color or index */
ctx->Current.RasterColor[0]
= CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR][0], 0.0F, 1.0F);
ctx->Current.RasterColor[1]
= CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR][1], 0.0F, 1.0F);
ctx->Current.RasterColor[2]
= CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR][2], 0.0F, 1.0F);
ctx->Current.RasterColor[3]
= CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR][3], 0.0F, 1.0F);
/* raster texcoord = current texcoord */
COPY_4FV( ctx->Current.RasterTexCoords, ctx->Current.Attrib[VERT_ATTRIB_TEX] );
if (ctx->RenderMode==GL_SELECT) {
_mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
}
}
开发者ID:GYGit，项目名称:reactos，代码行数:46，代码来源:rastpos.c
示例9: _mesa_validate_MultiDrawElements
/**
* Error checking for glMultiDrawElements(). Includes parameter checking
* and VBO bounds checking.
* \return GL_TRUE if OK to render, GL_FALSE if error found
*/
GLboolean
_mesa_validate_MultiDrawElements(struct gl_context *ctx,
GLenum mode, const GLsizei *count,
GLenum type, const GLvoid * const *indices,
GLuint primcount)
{
unsigned i;
FLUSH_CURRENT(ctx, 0);
for (i = 0; i < primcount; i++) {
if (count[i] < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glMultiDrawElements(count)" );
return GL_FALSE;
}
}
if (!_mesa_valid_prim_mode(ctx, mode, "glMultiDrawElements")) {
return GL_FALSE;
}
if (!valid_elements_type(ctx, type, "glMultiDrawElements"))
return GL_FALSE;
if (!check_valid_to_render(ctx, "glMultiDrawElements"))
return GL_FALSE;
/* Not using a VBO for indices, so avoid NULL pointer derefs later.
*/
if (!_mesa_is_bufferobj(ctx->Array.VAO->IndexBufferObj)) {
for (i = 0; i < primcount; i++) {
if (!indices[i])
return GL_FALSE;
}
}
return GL_TRUE;
}
开发者ID:erdincay，项目名称:vcxsrv-linux2windows，代码行数:44，代码来源:api_validate.c
示例10: _mesa_GetVertexAttribfvNV
/**
* Get a vertex (or vertex array) attribute.
* \note Not compiled into display lists.
* \note Called from the GL API dispatcher.
*/
void GLAPIENTRY
_mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
{
const struct gl_client_array *array;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
return;
}
array = &ctx->Array.ArrayObj->VertexAttrib[index];
switch (pname) {
case GL_ATTRIB_ARRAY_SIZE_NV:
params[0] = (GLfloat) array->Size;
break;
case GL_ATTRIB_ARRAY_STRIDE_NV:
params[0] = (GLfloat) array->Stride;
break;
case GL_ATTRIB_ARRAY_TYPE_NV:
params[0] = (GLfloat) array->Type;
break;
case GL_CURRENT_ATTRIB_NV:
if (index == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetVertexAttribfvNV(index == 0)");
return;
}
FLUSH_CURRENT(ctx, 0);
COPY_4V(params, ctx->Current.Attrib[index]);
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
return;
}
}
开发者ID:aljen，项目名称:haiku-opengl，代码行数:43，代码来源:nvprogram.c
示例11: _mesa_validate_DispatchCompute
GLboolean
_mesa_validate_DispatchCompute(struct gl_context *ctx,
const GLuint *num_groups)
{
int i;
FLUSH_CURRENT(ctx, 0);
if (!check_valid_to_compute(ctx, "glDispatchCompute"))
return GL_FALSE;
for (i = 0; i < 3; i++) {
/* From the OpenGL 4.3 Core Specification, Chapter 19, Compute Shaders:
*
* "An INVALID_VALUE error is generated if any of num_groups_x,
* num_groups_y and num_groups_z are greater than or equal to the
* maximum work group count for the corresponding dimension."
*
* However, the "or equal to" portions appears to be a specification
* bug. In all other areas, the specification appears to indicate that
* the number of workgroups can match the MAX_COMPUTE_WORK_GROUP_COUNT
* value. For example, under DispatchComputeIndirect:
*
* "If any of num_groups_x, num_groups_y or num_groups_z is greater than
* the value of MAX_COMPUTE_WORK_GROUP_COUNT for the corresponding
* dimension then the results are undefined."
*
* Additionally, the OpenGLES 3.1 specification does not contain "or
* equal to" as an error condition.
*/
if (num_groups[i] > ctx->Const.MaxComputeWorkGroupCount[i]) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDispatchCompute(num_groups_%c)", 'x' + i);
return GL_FALSE;
}
}
return GL_TRUE;
}
开发者ID:erdincay，项目名称:vcxsrv-linux2windows，代码行数:38，代码来源:api_validate.c
示例12: _mesa_validate_DrawArraysInstanced
GLboolean
_mesa_validate_DrawArraysInstanced(struct gl_context *ctx, GLenum mode, GLint first,
GLsizei count, GLsizei numInstances)
{
struct gl_transform_feedback_object *xfb_obj
= ctx->TransformFeedback.CurrentObject;
FLUSH_CURRENT(ctx, 0);
if (count < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawArraysInstanced(count=%d)", count);
return GL_FALSE;
}
if (first < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawArraysInstanced(start=%d)", first);
return GL_FALSE;
}
if (!_mesa_valid_prim_mode(ctx, mode, "glDrawArraysInstanced")) {
return GL_FALSE;
}
if (numInstances <= 0) {
if (numInstances < 0)
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawArraysInstanced(numInstances=%d)", numInstances);
return GL_FALSE;
}
if (!check_valid_to_render(ctx, "glDrawArraysInstanced(invalid to render)"))
return GL_FALSE;
/* From the GLES3 specification, section 2.14.2 (Transform Feedback
* Primitive Capture):
*
* The error INVALID_OPERATION is generated by DrawArrays and
* DrawArraysInstanced if recording the vertices of a primitive to the
* buffer objects being used for transform feedback purposes would result
* in either exceeding the limits of any buffer object’s size, or in
* exceeding the end position offset + size − 1, as set by
* BindBufferRange.
*
* This is in contrast to the behaviour of desktop GL, where the extra
* primitives are silently dropped from the transform feedback buffer.
*/
if (_mesa_is_gles3(ctx) && _mesa_is_xfb_active_and_unpaused(ctx)) {
size_t prim_count
= vbo_count_tessellated_primitives(mode, count, numInstances);
if (xfb_obj->GlesRemainingPrims < prim_count) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawArraysInstanced(exceeds transform feedback size)");
return GL_FALSE;
}
xfb_obj->GlesRemainingPrims -= prim_count;
}
if (count == 0)
return GL_FALSE;
return GL_TRUE;
}
开发者ID:erdincay，项目名称:vcxsrv-linux2windows，代码行数:63，代码来源:api_validate.c
示例13: _mesa_DrawPixels
//.........这里部分代码省略.........
* to a lack of defined mapping from integer data to gl_Color fragment shader
* input), NVIDIA's implementation also just returns this error despite
* exposing GL_EXT_texture_integer, just return an error regardless.
*/
if (_mesa_is_enum_format_integer(format)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels(integer format)");
goto end;
}
err = _mesa_error_check_format_and_type(ctx, format, type);
if (err != GL_NO_ERROR) {
_mesa_error(ctx, err, "glDrawPixels(invalid format %s and/or type %s)",
_mesa_lookup_enum_by_nr(format),
_mesa_lookup_enum_by_nr(type));
goto end;
}
/* do special format-related checks */
switch (format) {
case GL_STENCIL_INDEX:
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL_EXT:
/* these buffers must exist */
if (!_mesa_dest_buffer_exists(ctx, format)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawPixels(missing deest buffer)");
goto end;
}
break;
case GL_COLOR_INDEX:
if (ctx->PixelMaps.ItoR.Size == 0 ||
ctx->PixelMaps.ItoG.Size == 0 ||
ctx->PixelMaps.ItoB.Size == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawPixels(drawing color index pixels into RGB buffer)");
goto end;
}
break;
default:
/* for color formats it's not an error if the destination color
* buffer doesn't exist.
*/
break;
}
if (ctx->RasterDiscard) {
goto end;
}
if (!ctx->Current.RasterPosValid) {
goto end; /* no-op, not an error */
}
if (ctx->RenderMode == GL_RENDER) {
if (width > 0 && height > 0) {
/* Round, to satisfy conformance tests (matches SGI's OpenGL) */
GLint x = IROUND(ctx->Current.RasterPos[0]);
GLint y = IROUND(ctx->Current.RasterPos[1]);
if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
/* unpack from PBO */
if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height,
1, format, type, INT_MAX, pixels)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawPixels(invalid PBO access)");
goto end;
}
if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
/* buffer is mapped - that's an error */
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawPixels(PBO is mapped)");
goto end;
}
}
ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
&ctx->Unpack, pixels);
}
}
else if (ctx->RenderMode == GL_FEEDBACK) {
/* Feedback the current raster pos info */
FLUSH_CURRENT( ctx, 0 );
_mesa_feedback_token( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
ctx->Current.RasterTexCoords[0] );
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
end:
_mesa_set_vp_override(ctx, GL_FALSE);
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
}
}
开发者ID:jay8muel，项目名称:Renderfusion，代码行数:101，代码来源:drawpix.c
示例14: _mesa_Bitmap
static void GLAPIENTRY
_mesa_Bitmap( GLsizei width, GLsizei height,
GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
const GLubyte *bitmap )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
return;
}
if (!ctx->Current.RasterPosValid) {
return; /* do nothing */
}
/* Note: this call does state validation */
if (!_mesa_valid_to_render(ctx, "glBitmap")) {
/* the error code was recorded */
return;
}
if (ctx->RasterDiscard)
return;
if (ctx->RenderMode == GL_RENDER) {
/* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
if (width > 0 && height > 0) {
const GLfloat epsilon = 0.0001F;
GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig);
GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig);
if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
/* unpack from PBO */
if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height,
1, GL_COLOR_INDEX, GL_BITMAP,
INT_MAX, (const GLvoid *) bitmap)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBitmap(invalid PBO access)");
return;
}
if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
/* buffer is mapped - that's an error */
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBitmap(PBO is mapped)");
return;
}
}
ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
}
}
#if _HAVE_FULL_GL
else if (ctx->RenderMode == GL_FEEDBACK) {
FLUSH_CURRENT(ctx, 0);
_mesa_feedback_token( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
ctx->Current.RasterTexCoords[0] );
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
#endif
/* update raster position */
ctx->Current.RasterPos[0] += xmove;
ctx->Current.RasterPos[1] += ymove;
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
}
}
开发者ID:jay8muel，项目名称:Renderfusion，代码行数:76，代码来源:drawpix.c
示例15: _mesa_CopyPixels
void GLAPIENTRY
_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
GLenum type )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState) {
_mesa_update_state(ctx);
}
if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyPixels (invalid fragment program)");
return;
}
if (width < 0 || height < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)");
return;
}
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glCopyPixels(incomplete framebuffer)" );
return;
}
if (!_mesa_source_buffer_exists(ctx, type) ||
!_mesa_dest_buffer_exists(ctx, type)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyPixels(missing source or dest buffer)");
return;
}
if (!ctx->Current.RasterPosValid) {
return;
}
if (ctx->RenderMode == GL_RENDER) {
/* Round to satisfy conformance tests (matches SGI's OpenGL) */
GLint destx = IROUND(ctx->Current.RasterPos[0]);
GLint desty = IROUND(ctx->Current.RasterPos[1]);
ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
type );
}
else if (ctx->RenderMode == GL_FEEDBACK) {
FLUSH_CURRENT( ctx, 0 );
FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
}
开发者ID:Magister，项目名称:x11rdp_xorg71，代码行数:61，代码来源:drawpix.c
示例16: _mesa_ClearBufferuiv
/**
* New in GL 3.0
* Clear unsigned integer color buffer (not depth, not stencil).
*/
void GLAPIENTRY
_mesa_ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint *value)
{
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0);
FLUSH_CURRENT(ctx, 0);
if (ctx->NewState) {
_mesa_update_state( ctx );
}
switch (buffer) {
case GL_COLOR:
{
const GLbitfield mask = make_color_buffer_mask(ctx, drawbuffer);
if (mask == INVALID_MASK) {
_mesa_error(ctx, GL_INVALID_VALUE, "glClearBufferuiv(drawbuffer=%d)",
drawbuffer);
return;
}
else if (mask && !ctx->RasterDiscard) {
union gl_color_union clearSave;
/* save color */
clearSave = ctx->Color.ClearColor;
/* set color */
COPY_4V(ctx->Color.ClearColor.ui, value);
/* clear buffer(s) */
ctx->Driver.Clear(ctx, mask);
/* restore color */
ctx->Color.ClearColor = clearSave;
}
}
break;
case GL_DEPTH:
case GL_STENCIL:
/* Page 264 (page 280 of the PDF) of the OpenGL 3.0 spec says:
*
* "The result of ClearBuffer is undefined if no conversion between
* the type of the specified value and the type of the buffer being
* cleared is defined (for example, if ClearBufferiv is called for a
* fixed- or floating-point buffer, or if ClearBufferfv is called
* for a signed or unsigned integer buffer). This is not an error."
*
* In this case we take "undefined" and "not an error" to mean "ignore."
* Even though we could do something sensible for GL_STENCIL, page 263
* (page 279 of the PDF) says:
*
* "Only ClearBufferiv should be used to clear stencil buffers."
*
* Note that we still need to generate an error for the invalid
* drawbuffer case (see the GL_STENCIL case in _mesa_ClearBufferiv).
*/
if (drawbuffer != 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glClearBufferuiv(drawbuffer=%d)",
drawbuffer);
return;
}
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glClearBufferuiv(buffer=%s)",
_mesa_lookup_enum_by_nr(buffer));
return;
}
}
开发者ID:PatriceBlin，项目名称:mesa，代码行数:70，代码来源:clear.c
示例17: _mesa_Bitmap
void GLAPIENTRY
_mesa_Bitmap( GLsizei width, GLsizei height,
GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
const GLubyte *bitmap )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
return;
}
if (!ctx->Current.RasterPosValid) {
return; /* do nothing */
}
if (ctx->NewState) {
_mesa_update_state(ctx);
}
if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBitmap (invalid fragment program)");
return;
}
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glBitmap(incomplete framebuffer)");
return;
}
if (ctx->RenderMode == GL_RENDER) {
if (bitmap) {
/* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);
ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
}
}
#if _HAVE_FULL_GL
else if (ctx->RenderMode == GL_FEEDBACK) {
FLUSH_CURRENT(ctx, 0);
FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
#endif
/* update raster position */
ctx->Current.RasterPos[0] += xmove;
ctx->Current.RasterPos[1] += ymove;
}
开发者ID:Magister，项目名称:x11rdp_xorg71，代码行数:61，代码来源:drawpix.c
示例18: _mesa_validate_DrawElementsInstanced
GLboolean
_mesa_validate_DrawElementsInstanced(struct gl_context *ctx,
GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLsizei numInstances,
GLint basevertex)
{
FLUSH_CURRENT(ctx, 0);
/* From the GLES3 specification, section 2.14.2 (Transform Feedback
* Primitive Capture):
*
* The error INVALID_OPERATION is also generated by DrawElements,
* DrawElementsInstanced, and DrawRangeElements while transform feedback
* is active and not paused, regardless of mode.
*/
if (_mesa_is_gles3(ctx) && _mesa_is_xfb_active_and_unpaused(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glDrawElements(transform feedback active)");
return GL_FALSE;
}
if (count <= 0) {
if (count < 0)
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawElementsInstanced(count=%d)", count);
return GL_FALSE;
}
if (!_mesa_valid_prim_mode(ctx, mode, "glDrawElementsInstanced")) {
return GL_FALSE;
}
if (!valid_elements_type(ctx, type, "glDrawElementsInstanced"))
return GL_FALSE;
if (numInstances <= 0) {
if (numInstances < 0)
_mesa_error(ctx, GL_INVALID_VALUE,
"glDrawElementsInstanced(numInstances=%d)", numInstances);
return GL_FALSE;
}
if (!check_valid_to_render(ctx, "glDrawElementsInstanced"))
return GL_FALSE;
/* Vertex buffer object tests */
if (_mesa_is_bufferobj(ctx->Array.ArrayObj->ElementArrayBufferObj)) {
/* use indices in the buffer object */
/* make sure count doesn't go outside buffer bounds */
if (index_bytes(type, count) > ctx->Array.ArrayObj->ElementArrayBufferObj->Size) {
_mesa_warning(ctx,
"glDrawElementsInstanced index out of buffer bounds");
return GL_FALSE;
}
}
else {
/* not using a VBO */
if (!indices)
return GL_FALSE;
}
if (!check_index_bounds(ctx, count, type, indices, basevertex))
return GL_FALSE;
return GL_TRUE;
}
开发者ID:CSRedRat，项目名称:mesa-1，代码行数:66，代码来源:api_validate.c
示例19: _mesa_ReadnPixelsARB
void GLAPIENTRY
_mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLsizei bufSize,
GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
FLUSH_CURRENT(ctx, 0);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glReadPixels(%d, %d, %s, %s, %p)\n",
width, height,
_mesa_lookup_enum_by_nr(format),
_mesa_lookup_enum_by_nr(type),
pixels);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE,
"glReadPixels(width=%d height=%d)", width, height );
return;
}
if (ctx->NewState)
_mesa_update_state(ctx);
if (_mesa_error_check_format_type(ctx, format, type, GL_FALSE)) {
/* found an error */
return;
}
/* Check that the destination format and source buffer are both
* integer-valued or both non-integer-valued.
*/
if (ctx->Extensions.EXT_texture_integer && _mesa_is_color_format(format)) {
const struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
const GLboolean srcInteger = _mesa_is_format_integer_color(rb->Format);
const GLboolean dstInteger = _mesa_is_integer_format(format);
if (dstInteger != srcInteger) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glReadPixels(integer / non-integer format mismatch");
return;
}
}
if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glReadPixels(incomplete framebuffer)" );
return;
}
if (ctx->ReadBuffer->Name != 0 && ctx->ReadBuffer->Visual.samples > 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(multisample FBO)");
return;
}
if (!_mesa_source_buffer_exists(ctx, format)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(no readbuffer)");
return;
}
if (width == 0 || height == 0)
return; /* nothing to do */
if (!_mesa_validate_pbo_access(2, &ctx->Pack, width, height, 1,
format, type, bufSize, pixels)) {
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glReadPixels(out of bounds PBO access)");
} else {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glReadnPixelsARB(out of bounds access:"
" bufSize (%d) is too small)", bufSize);
}
return;
}
if (_mesa_is_bufferobj(ctx->Pack.BufferObj) &&
_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
/* buffer is mapped - that's an error */
_mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(PBO is mapped)");
return;
}
ctx->Driver.ReadPixels(ctx, x, y, width, height,
format, type, &ctx->Pack, pixels);
}
开发者ID:ChillyWillyGuru，项目名称:RSXGL，代码行数:87，代码来源:readpix.c
示例20: _mesa_Clear
/**
* Clear buffers.
*
* \param mask bit-mask indicating the buffers to be cleared.
*
* Flushes the vertices and verifies the parameter. If __struct gl_contextRec::NewState
* is set then calls _mesa_update_state() to update gl_frame_buffer::_Xmin,
* etc. If the rasterization mode is set to GL_RENDER then requests the driver
* to clear the buffers, via the dd_function_table::Clear callback.
*/
void GLAPIENTRY
_mesa_Clear( GLbitfield mask )
{
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0);
FLUSH_CURRENT(ctx, 0);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glClear 0x%x\n", mask);
if (mask & ~(GL_COLOR_BUFFER_BIT |
GL_DEPTH_BUFFER_BIT |
GL_STENCIL_BUFFER_BIT |
GL_ACCUM_BUFFER_BIT)) {
/* invalid bit set */
_mesa_error( ctx, GL_INVALID_VALUE, "glClear(0x%x)", mask);
return;
}
/* Accumulation buffers were removed in core contexts, and they never
* existed in OpenGL ES.
*/
if ((mask & GL_ACCUM_BUFFER_BIT) != 0
&& (ctx->API == API_OPENGL_CORE || _mesa_is_gles(ctx))) {
_mesa_error( ctx, GL_INVALID_VALUE, "glClear(GL_ACCUM_BUFFER_BIT)");
return;
}
if (ctx->NewState) {
_mesa_update_state( ctx ); /* update _Xmin, etc */
}
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glClear(incomplete framebuffer)");
return;
}
if (ctx->DrawBuffer->Width == 0 || ctx->DrawBuffer->Height == 0 ||
ctx->DrawBuffer->_Xmin >= ctx->DrawBuffer->_Xmax ||
ctx->DrawBuffer->_Ymin >= ctx->DrawBuffer->_Ymax)
return;
if (ctx->RasterDiscard)
return;
if (ctx->RenderMode == GL_RENDER) {
GLbitfield bufferMask;
/* don't clear depth buffer if depth writing disabled */
if (!ctx->Depth.Mask)
mask &= ~GL_DEPTH_BUFFER_BIT;
/* Build the bitmask to send to device driver's Clear function.
* Note that the GL_COLOR_BUFFER_BIT flag will expand to 0, 1, 2 or 4
* of the BUFFER_BIT_FRONT/BACK_LEFT/RIGHT flags, or one of the
* BUFFER_BIT_COLORn flags.
*/
bufferMask = 0;
if (mask & GL_COLOR_BUFFER_BIT) {
GLuint i;
for (i = 0; i < ctx->
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