/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "context.h"
#include "macros.h"
#include "points.h"
-#include "texstate.h"
#include "mtypes.h"
* \param size point diameter in pixels
* \sa glPointSize().
*/
-void GLAPIENTRY
-_mesa_PointSize( GLfloat size )
+static ALWAYS_INLINE void
+point_size(struct gl_context *ctx, GLfloat size, bool no_error)
{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (size <= 0.0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPointSize" );
+ if (ctx->Point.Size == size)
return;
- }
- if (ctx->Point.Size == size)
+ if (!no_error && size <= 0.0F) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glPointSize");
return;
+ }
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.Size = size;
}
-#if _HAVE_FULL_GL
+void GLAPIENTRY
+_mesa_PointSize_no_error(GLfloat size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ point_size(ctx, size, true);
+}
+
+
+void GLAPIENTRY
+_mesa_PointSize( GLfloat size )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ point_size(ctx, size, false);
+}
void GLAPIENTRY
_mesa_PointParameterfv( GLenum pname, const GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* Drivers that support point sprites must also support point parameters.
+ * If point parameters aren't supported, then this function shouldn't even
+ * exist.
+ */
+ assert(!(ctx->Extensions.ARB_point_sprite
+ || ctx->Extensions.NV_point_sprite)
+ || ctx->Extensions.EXT_point_parameters);
+
+ if (!ctx->Extensions.EXT_point_parameters) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "unsupported function called (unsupported extension)");
+ return;
+ }
switch (pname) {
case GL_DISTANCE_ATTENUATION_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (TEST_EQ_3V(ctx->Point.Params, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- COPY_3V(ctx->Point.Params, params);
- ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0 ||
- ctx->Point.Params[1] != 0.0 ||
- ctx->Point.Params[2] != 0.0);
-
- if (ctx->Point._Attenuated)
- ctx->_TriangleCaps |= DD_POINT_ATTEN;
- else
- ctx->_TriangleCaps &= ~DD_POINT_ATTEN;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
+ if (TEST_EQ_3V(ctx->Point.Params, params))
return;
- }
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ COPY_3V(ctx->Point.Params, params);
+ ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0F ||
+ ctx->Point.Params[1] != 0.0F ||
+ ctx->Point.Params[2] != 0.0F);
break;
case GL_POINT_SIZE_MIN_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.MinSize == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.MinSize = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
return;
}
+ if (ctx->Point.MinSize == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.MinSize = params[0];
break;
case GL_POINT_SIZE_MAX_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.MaxSize == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.MaxSize = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
return;
}
+ if (ctx->Point.MaxSize == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.MaxSize = params[0];
break;
case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.Threshold == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.Threshold = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
return;
}
+ if (ctx->Point.Threshold == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.Threshold = params[0];
break;
case GL_POINT_SPRITE_R_MODE_NV:
/* This is one area where ARB_point_sprite and NV_point_sprite
* differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is
* always ZERO. NV_point_sprite adds the S and R modes.
*/
- if (ctx->Extensions.NV_point_sprite) {
+ if (_mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_point_sprite) {
GLenum value = (GLenum) params[0];
if (value != GL_ZERO && value != GL_S && value != GL_R) {
_mesa_error(ctx, GL_INVALID_VALUE,
}
break;
case GL_POINT_SPRITE_COORD_ORIGIN:
- /* This is not completely correct. GL_POINT_SPRITE_COORD_ORIGIN was
- * added to point sprites when the extension was merged into OpenGL
- * 2.0. It is expected that an implementation supporting OpenGL 1.4
- * and GL_ARB_point_sprite will generate an error here.
+ /* GL_POINT_SPRITE_COORD_ORIGIN was added to point sprites when the
+ * extension was merged into OpenGL 2.0.
*/
- if (ctx->Extensions.ARB_point_sprite) {
+ if ((ctx->API == API_OPENGL_COMPAT && ctx->Version >= 20)
+ || ctx->API == API_OPENGL_CORE) {
GLenum value = (GLenum) params[0];
if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) {
_mesa_error(ctx, GL_INVALID_VALUE,
}
if (ctx->Driver.PointParameterfv)
- (*ctx->Driver.PointParameterfv)(ctx, pname, params);
+ ctx->Driver.PointParameterfv(ctx, pname, params);
}
-#endif
*
* \param ctx GL context.
*
- * Initializes __GLcontextRec::Point and point related constants in
- * __GLcontextRec::Const.
+ * Initializes __struct gl_contextRec::Point and point related constants in
+ * __struct gl_contextRec::Const.
*/
void
-_mesa_init_point(GLcontext *ctx)
+_mesa_init_point(struct gl_context *ctx)
{
- GLuint i;
-
ctx->Point.SmoothFlag = GL_FALSE;
ctx->Point.Size = 1.0;
ctx->Point.Params[0] = 1.0;
ctx->Point.MaxSize
= MAX2(ctx->Const.MaxPointSize, ctx->Const.MaxPointSizeAA);
ctx->Point.Threshold = 1.0;
- ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */
+
+ /* Page 403 (page 423 of the PDF) of the OpenGL 3.0 spec says:
+ *
+ * "Non-sprite points (section 3.4) - Enable/Disable targets
+ * POINT_SMOOTH and POINT_SPRITE, and all associated state. Point
+ * rasterization is always performed as though POINT_SPRITE were
+ * enabled."
+ *
+ * In a core context, the state will default to true, and the setters and
+ * getters are disabled.
+ */
+ ctx->Point.PointSprite = (ctx->API == API_OPENGL_CORE ||
+ ctx->API == API_OPENGLES2);
+
ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
- ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB/NV_point_sprite */
- }
+ ctx->Point.CoordReplace = 0; /* GL_ARB/NV_point_sprite */
}
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