diff options
| author | Andrew Davis <afd@ti.com> | 2025-07-15 09:32:14 -0500 |
|---|---|---|
| committer | Andrew Davis <afd@ti.com> | 2025-07-25 11:33:33 -0500 |
| commit | 19cf50cbacf665e06e949aebe42798e3edd1ac6c (patch) | |
| tree | 8617dbd820990cc3e503e65ebae604f2ef1ef8ed | |
| parent | 84ada447ee65798115da95679b13053f295ce601 (diff) | |
cube-shadertoy: Do not setup VertexAttribPointer in init
Vertex attribute information is setup each loop before drawing, no need
to set this up in init as it will be overwritten each draw call anyway.
Signed-off-by: Andrew Davis <afd@ti.com>
| -rw-r--r-- | cube-shadertoy.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/cube-shadertoy.c b/cube-shadertoy.c index dfa8919..52c4f81 100644 --- a/cube-shadertoy.c +++ b/cube-shadertoy.c @@ -291,7 +291,6 @@ static int init_shadertoy(const char *file) glBindBuffer(GL_ARRAY_BUFFER, gl.stoy_vbo); glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), 0, GL_STATIC_DRAW); glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), &vertices[0]); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)(intptr_t)0); return 0; } @@ -400,8 +399,6 @@ const struct cube * init_cube_shadertoy(const struct egl *egl, const struct gbm if (ret) return NULL; - glUseProgram(gl.program); - gl.modelviewmatrix = glGetUniformLocation(gl.program, "modelviewMatrix"); gl.modelviewprojectionmatrix = glGetUniformLocation(gl.program, "modelviewprojectionMatrix"); gl.texture = glGetUniformLocation(gl.program, "uTex"); @@ -419,9 +416,6 @@ const struct cube * init_cube_shadertoy(const struct egl *egl, const struct gbm glBufferSubData(GL_ARRAY_BUFFER, gl.positionsoffset, sizeof(vVertices), &vVertices[0]); glBufferSubData(GL_ARRAY_BUFFER, gl.texcoordsoffset, sizeof(vTexCoords), &vTexCoords[0]); glBufferSubData(GL_ARRAY_BUFFER, gl.normalsoffset, sizeof(vNormals), &vNormals[0]); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)(intptr_t)gl.positionsoffset); - glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)(intptr_t)gl.normalsoffset); - glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)(intptr_t)gl.texcoordsoffset); ret = init_shadertoy(file); if (ret) { |