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| author | Jose Fonseca <jfonseca@vmware.com> | 2015-12-30 23:04:16 +0000 |
|---|---|---|
| committer | Jose Fonseca <jfonseca@vmware.com> | 2016-01-04 20:01:37 +0000 |
| commit | edc099cff55a6a3f9ad191acfbc8cc39f36228db (patch) | |
| tree | 393aec2496df9f8e1abfbb1310b6ff60465ead81 /helpers | |
| parent | 5fe1136361ac4e9d63632f270a04ad11574ae5d8 (diff) | |
gltrace: Honour range in glDrawRangeElement*.
Based from Roland Scheidegger's patch on
https://bugs.freedesktop.org/show_bug.cgi?id=80419#c94
Fixes https://github.com/apitrace/apitrace/issues/407#issuecomment-167866502
Diffstat (limited to 'helpers')
| -rw-r--r-- | helpers/glsize.hpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/helpers/glsize.hpp b/helpers/glsize.hpp index dbac9772..bc74d875 100644 --- a/helpers/glsize.hpp +++ b/helpers/glsize.hpp @@ -494,10 +494,19 @@ _glDrawElementsBaseVertex_count(GLsizei count, GLenum type, const GLvoid *indice return maxindex + 1; } -#define _glDrawRangeElementsBaseVertex_count(start, end, count, type, indices, basevertex) _glDrawElementsBaseVertex_count(count, type, indices, basevertex) +static inline GLuint +_glDrawRangeElementsBaseVertex_count(GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLint basevertex) +{ + if (end < start || + count < 0) { + return 0; + } + + return end + basevertex + 1; +} #define _glDrawElements_count(count, type, indices) _glDrawElementsBaseVertex_count(count, type, indices, 0) -#define _glDrawRangeElements_count(start, end, count, type, indices) _glDrawElements_count(count, type, indices) +#define _glDrawRangeElements_count(start, end, count, type, indices) _glDrawRangeElementsBaseVertex_count(start, end, count, type, indices, 0) #define _glDrawRangeElementsEXT_count _glDrawRangeElements_count /* FIXME take in consideration instancing */ |